Data products grouped by: Geochemistry, Geochronology, Geologic hazards, Geologic mapping, Mineral resources, Topographic data, and Geologic terrain
Return to Geology or ASC Data Releases
Geochemistry | Geochronology | Geologic hazards | Geologic mapping | Mineral resources | Topographic data | Geologic terrain
Subgroups located on ASC Geology Data Releases continued:
Argon | Isotope | Luminescence | Major and trace element | Microanalytical trace element | Radiocarbon | Rhenium-Osmium | Thermochronology | Upb titanite | Upb zircon
Geochemistry
Geochemistry
Filter Total Items: 26
Select Mineral Abundancy Data from Alaska Placer and Pan Concentrate Samples Reanalyzed from 2020-2025 Select Mineral Abundancy Data from Alaska Placer and Pan Concentrate Samples Reanalyzed from 2020-2025
Samples from the Alaska Placer Concentrate Collection (APCC) were retrieved from the U.S. Geological Survey (USGS) National Geochemical Sample Archives and submitted for mineralogical analysis at the Colorado School of Mines. The APPC contains samples from placer mining operations throughout Alaska. The original collection contained approximately 5,000 samples that were collected by USGS...
In situ Geochemical Data for Detrital and Porphyry-Related Magnetite from the Taurus Porphyry Cu Deposit and Environs, Alaska, United States In situ Geochemical Data for Detrital and Porphyry-Related Magnetite from the Taurus Porphyry Cu Deposit and Environs, Alaska, United States
This data release comprises geochemical point analyses of magnetite by electron probe microanalyzer (EPMA) and sample imagery acquired by a combination of scanning electron, reflected light, and transmitted light microscopy. Analyzed elements include Fe, Ti, Al, Mn, Mg, V, Si, Ni, Cr, and Ca. Samples are from the Taurus porphyry Cu-Mo(-Au) deposit in the Yukon-Tanana upland of eastern...
U-Pb Zircon Data for Igneous and Metaigneous Rocks of Interior and Southwest Alaska U-Pb Zircon Data for Igneous and Metaigneous Rocks of Interior and Southwest Alaska
This dataset contains U-Pb isotopic data and associated dates for sampled igneous, meta-igneous, and metamorphic rocks of interior and southwestern Alaska. Samples were collected during geologic mapping and mineral deposit research from 2019 to 2023. Mapping and research were funded by the Mineral Resources Program of the U.S. Geological Survey. Mineral separations were conducted at the...
Whole Rock Major and Trace Element Chemistry for Igneous, Metamorphic, and Mineralized Rocks Collected for Select Projects in Alaska Whole Rock Major and Trace Element Chemistry for Igneous, Metamorphic, and Mineralized Rocks Collected for Select Projects in Alaska
This dataset consists of one table containing whole-rock geochemistry data for 251 igneous, metamorphic, and mineralized (metasomatic) rocks from various locations across Alaska in support of mineral assessments of critical minerals and transboundary watersheds. The samples were collected mainly between 2019 and 2023, and all materials were analyzed by ALS Global, between 2019 and 2023...
Zircon U-Pb, Organic Carbon Isotope, and Geochemistry Data from the Hue Shale and Canning Formation, Arctic Alaska, 2025 Zircon U-Pb, Organic Carbon Isotope, and Geochemistry Data from the Hue Shale and Canning Formation, Arctic Alaska, 2025
This dataset contains results from three stratigraphic sections of the Hue Shale located in and adjacent to the Arctic National Wildlife Refuge in northeastern Alaska. Sample heights were measured with a tape measure in continuous successions. Zircon grains from volcanic ashes were analyzed via laser ablation at the University of California, Santa Barbara (UCSB) using a Photon Machines...
U-Pb Isotopic Data and Dates of Zircon from the Western Upper Peninsula of Michigan and Northern Wisconsin, United States U-Pb Isotopic Data and Dates of Zircon from the Western Upper Peninsula of Michigan and Northern Wisconsin, United States
This dataset contains U-Pb isotopic data and associated dates of zircon from sedimentary and metamorphic rocks collected from the western Upper Peninsula of Michigan and northern Wisconsin, United States. The samples were collected as part of geological mapping and research conducted from 2019 to 2023 and funded by the Mineral Resources Program of the U.S. Geological Survey. Zircon...
Geochemical Data for Bulk Samples and Their Derivative Size and Density Fractions from Placer Tailings in Alaska Geochemical Data for Bulk Samples and Their Derivative Size and Density Fractions from Placer Tailings in Alaska
This data release contains elemental concentration data from geochemical analysis of eight bulk placer tailing sediment samples and of size and density fractions derived from those eight samples. All placer tailing material collected for this data release originated from samples that were collected in Alaska. The samples collected from one fifth yard of tailings material, sieved to -1/4...
U-Pb Ages, Neodymium Isotope Ratios, and Trace Element Concentrations by Laser-Ablation Split Stream (LASS) Analysis of Igneous Titanite and Apatite from Interior and Southcentral Alaska U-Pb Ages, Neodymium Isotope Ratios, and Trace Element Concentrations by Laser-Ablation Split Stream (LASS) Analysis of Igneous Titanite and Apatite from Interior and Southcentral Alaska
This dataset contains U-Pb isotopic data and ages plus trace element concentrations from titanite and apatite in igneous rocks collected for USGS projects in the Alaska Range, Yukon Tanana uplands of eastern Alaska, and a study of ophiolites in Alaska. A subset of analyses also includes simultaneous measurements of Sm-Nd isotope ratios. For this subset, split-stream configuration...
Select Mineral Abundancy Data from Alaska Placer and Pan Concentrate Samples Reanalyzed from 2020-2023 Select Mineral Abundancy Data from Alaska Placer and Pan Concentrate Samples Reanalyzed from 2020-2023
Samples from the Alaska Placer Concentrate Collection (APCC) were retrieved from the USGS National Geochemical Sample Archives and submitted for mineralogical analysis at the Colorado School of Mines. The APPC contains samples from placer mining operations throughout Alaska. The original collection contained approximately 5,000 samples that were collected by U.S. Geological Survey...
Selected Whole-Rock and Sediment Geochemistry Reanalysis Data Additions to the Alaska Geochemical DataBase (AGDB) from Archived Samples, Alaska Selected Whole-Rock and Sediment Geochemistry Reanalysis Data Additions to the Alaska Geochemical DataBase (AGDB) from Archived Samples, Alaska
This data release contains elemental concentration data from the reanalysis of 13,930 archived stream-sediment sample and associated stream sediment reference material and 968 archived rock samples and associated rock reference material. All archived material was from samples that were collected in Alaska. Samples were retrieved from the USGS Mineral Program's sample archive in Denver...
Geochronology
Geochronology
Filter Total Items: 30
(U-Th)/He Dates of Detrital Magnetite from Streams Draining the Taurus Porphyry Cu Deposit, Alaska, United States (U-Th)/He Dates of Detrital Magnetite from Streams Draining the Taurus Porphyry Cu Deposit, Alaska, United States
This data release contains 54 (U-Th)/He dates acquired from detrital magnetite in stream sediments adjacent to the Taurus Porphyry Cu-Mo(-Au) deposit in eastern interior Alaska's Yukon-Tanana Upland. Measured parameters include Helium-4, Uranium-238, Thorium-232, measured grain geometry factors, and all associated analytical uncertainties. Final (U-Th)/He dates along with uncertainties...
Age Data for River Terraces on the Marsh Creek Anticline (Arctic Alaska, USA) Collected 2023-2025 Age Data for River Terraces on the Marsh Creek Anticline (Arctic Alaska, USA) Collected 2023-2025
These data are in three tables with age data for river terraces on the Marsh Creek anticline, from samples collected at sites along Marsh Creek and the Katakturuk River in Arctic Alaska. The tables include: (1) Carbon-14 ages, (2) Optically Stimulated Luminescence (OSL) age, and (3) Cosmogenic Beryllium-10 concentrations.
Radiocarbon Data from Coastal Environments on Montague Island, Alaska Radiocarbon Data from Coastal Environments on Montague Island, Alaska
This dataset consists of sample descriptions and radiocarbon age data from coastal environments on Montague Island, Alaska, analyzed at the National Ocean Sciences Accelerator Mass Spectrometry Facility.
Radiocarbon Data for Tree Ring Samples from Girdwood, Alaska Radiocarbon Data for Tree Ring Samples from Girdwood, Alaska
This dataset consists of sample details and radiocarbon age data of tree-ring samples collected near Girdwood, Alaska, and analyzed at the National Ocean Sciences Accelerator Mass Spectrometry Facility.
Fission Track Data and Ages of Apatite and U-Pb Isotopic Data and Ages of Igneous and Detrital Zircon from Selected Rocks from the Lake Clark and Lake Iliamna Region of South-Central Alaska Fission Track Data and Ages of Apatite and U-Pb Isotopic Data and Ages of Igneous and Detrital Zircon from Selected Rocks from the Lake Clark and Lake Iliamna Region of South-Central Alaska
This data set contains fission track data and associated ages of apatite from igneous and sedimentary rocks, U-Pb isotopic data and associated ages of zircon from a subset of the igneous rock samples, and U-Pb isotopic data and associated ages of detrital zircon from a subset of the sedimentary rock samples. All samples were collected from the region surrounding Lake Clark and Lake...
New U-Pb Geochronology and Geochemistry of Paleozoic Metaigneous Rocks from Western Yukon and Eastern Alaska New U-Pb Geochronology and Geochemistry of Paleozoic Metaigneous Rocks from Western Yukon and Eastern Alaska
This data release contains three tables of U-Pb zircon isotopic data generated from analyses of 40 metaplutonic and metavolcanic rocks from the Yukon-Tanana Upland of western Yukon and east-central Alaska and one sample from southern Yukon. One of the tables also reports U-Pb data for two titanite analyses for one of the samples. U-Pb zircon ages from analyzed samples range from 363.5...
U-Pb Ages, Hafnium Isotope Ratios, and Trace Element Concentrations by Laser-ablation Split Stream (LASS) Analysis of Igneous and Metamorphic Zircons from the Yukon-Tanana Upland, Eastern Alaska U-Pb Ages, Hafnium Isotope Ratios, and Trace Element Concentrations by Laser-ablation Split Stream (LASS) Analysis of Igneous and Metamorphic Zircons from the Yukon-Tanana Upland, Eastern Alaska
This dataset contains U-Pb isotopic data and ages, Hf isotope data, and trace element concentrations of zircon from igneous rocks collected from the Yukon-Tanana Upland, eastern Alaska. The sample suite was collected as part of geological mapping and supporting geochemical and geochronological analysis conducted from 2013 to 2019. Zircon was obtained from these igneous rocks to determine...
Data for Uranium-Lead Geochronology, Carbon and Sulfur Stable Isotopes, and Raman Spectroscopy from Graphite Creek, Alaska Data for Uranium-Lead Geochronology, Carbon and Sulfur Stable Isotopes, and Raman Spectroscopy from Graphite Creek, Alaska
The data release includes zircon and titanite U-Pb-Thisotope and age data, monazite U-Pb-Th isotope, trace element and age data, carbon and sulfur stableisotope data, and graphite Raman spectroscopy data, from samples collected at the Graphite Creek deposit, Alaska. Sample location information and descriptions are in table "_sampleDescriptions_". Table "_ramanPeakFits_" contains all raw...
U-Pb Isotopic Data and Ages of Detrital Zircon from Selected Rocks from Southwestern Alaska and the Yukon-Tanana Upland and Environs of Eastern Interior Alaska and Eastern Yukon, Canada U-Pb Isotopic Data and Ages of Detrital Zircon from Selected Rocks from Southwestern Alaska and the Yukon-Tanana Upland and Environs of Eastern Interior Alaska and Eastern Yukon, Canada
This dataset contains U-Pb isotopic data and associated ages of detrital zircon from sedimentary and metasedimentary rocks collected from southwestern Alaska and from the Yukon-Tanana upland and environs of eastern interior Alaska and western Yukon, Canada. The samples were collected as part of geological mapping and research conducted from 1996 to 2021 and funded by the Mineral...
U-Pb Ages, Hafnium Isotope Ratios, and Trace Element Concentrations by Laser-Ablation Split Stream (LASS) Analysis of Igneous Zircons from the Western Alaska Range U-Pb Ages, Hafnium Isotope Ratios, and Trace Element Concentrations by Laser-Ablation Split Stream (LASS) Analysis of Igneous Zircons from the Western Alaska Range
This dataset contains U-Pb isotopic data and ages, Hf isotope data, and trace element concentrations of zircon from igneous rocks collected from the western Alaska Range of south-central Alaska. The sample suite was collected as part of geological mapping and supporting geochemical and geochronological analysis conducted from 2011 to 2013. We also analyzed portions of remainders of...
Geologic hazards
Geologic hazards
Computed Tomography (CT) scans of sediment cores collected from Montague Island, AK Computed Tomography (CT) scans of sediment cores collected from Montague Island, AK
This data release contains Computed Tomography (CT) scan images of sediment cores collected from Montague Island, in Prince William Sound, Alaska. Sediment cores were collected from lagoons uplifted >3 m in the 1964 earthquake along the coast of Montague Island and aid in interpreting changes in deposition environment over the past several thousand years, which may record evidence for...
Diatom Data from Coastal Environments on Montague Island, Alaska Diatom Data from Coastal Environments on Montague Island, Alaska
This dataset consists of fossil diatom counts from sediment cores collected in coastal environments on Montague Island, Alaska, and analyzed at Virginia Tech University.
Geologic Inputs for the 2023 Alaska Update to the U.S. National Seismic Hazard Model (NSHM) Geologic Inputs for the 2023 Alaska Update to the U.S. National Seismic Hazard Model (NSHM)
This data release is composed of three crustal (as opposed to subduction zone) geologic input datasets for the 2023 Alaska update to the U.S. National Seismic Hazard Model (NSHM): 1) fault section vector line data, 2) fault zone vector polygon data, and 3) accompanying earthquake geology attributes.
Alaska Fault Trace Mapping, 2021 Alaska Fault Trace Mapping, 2021
This dataset provides a detailed (1:10,000) digital map of fault and fold traces in Alaska, USA based on features identified in the freely available ArcticDEM 3.0. The fault traces represented in this dataset either revise the location and accuracy of known active faults or folds archived in the USGS Quaternary Fault and Fold Database, or represent the surface traces of active structures...
Eastern Denali Fault Surface Trace Map, Eastern Alaska and Adjacent Canada Eastern Denali Fault Surface Trace Map, Eastern Alaska and Adjacent Canada
This data release provides three geospatical datasets showing the surface trace of the Eastern Denali Fault between the Alaska-Yukon international border and the village of Haines Junction, Yukon, Canada. The datasets are: (1) a photogrammetry-based digital elevation model (DEM; average resolution of 4 m/pixel), (2) 13 digital aerial photo orthomosaics, and (3) a detailed (1:2,000 to 1...
Geologic mapping
Geologic mapping
Geospatial Data for the Surficial Geologic Map of the Central Brooks Range, Alaska Geospatial Data for the Surficial Geologic Map of the Central Brooks Range, Alaska
Geologic map geodatabase depicting the surficial geology of the central Brooks Range, Alaska. Including the 250k quadrangles of Ambler River, Bettles, Chandalar, Chandler Lake, Hughes, Howard Pass, Killik River, Phillip Smith Mountains, Survey Pass, and Wiseman. Database tables include geologic linework and geologic units.
Data Release for the Geologic Map of the Greater Antilles and Virgin Islands Data Release for the Geologic Map of the Greater Antilles and Virgin Islands
Geologic map geodatabase depicting the geology of the Greater Antilles and Virgin Islands region, including countries of Cuba, Haiti, Dominican Republic, and Jamaica, and territories of Puerto Rico, the U.S. Virgin Islands, the British Virgin Islands, and the Cayman Islands. Database tables include: geologic linework, dikes, folds, geologic units, and geochronologic data.
Diatom Data from Coastal Environments on Montague Island, Alaska Diatom Data from Coastal Environments on Montague Island, Alaska
This dataset consists of fossil diatom counts from sediment cores collected in coastal environments on Montague Island, Alaska, and analyzed at Virginia Tech University.
Sediment Transport Data from the Totatlanika River, Alaska, August 2021 Sediment Transport Data from the Totatlanika River, Alaska, August 2021
This data package provides four datasets acquired for the purpose of quantifying parameters affecting sediment trasport along the Totatlanika River, which drains the minerally endowed and tectonically active northern Alaska Range. The datasets provide measures of: (1) channel geometry, (2) boulders, (3) sediment grains size, and (4) water flow. The data can be used to understand sediment...
Field Data Collected 2018 to Document Human-induced Gorge Incision at The Kink (Fortymile River, Alaska) Field Data Collected 2018 to Document Human-induced Gorge Incision at The Kink (Fortymile River, Alaska)
This dataset is comprised of four tables containing channel survey cross section data, field observations including channel width and bank material, measured surface water velocity, and alluvial grain size data collected along the North Fork Fortymile River near a man-made meander cutoff called The Kink. The data release also contains eight field photos used to obtain grain size...
Geologic Inputs for the 2023 Alaska Update to the U.S. National Seismic Hazard Model (NSHM) Geologic Inputs for the 2023 Alaska Update to the U.S. National Seismic Hazard Model (NSHM)
This data release is composed of three crustal (as opposed to subduction zone) geologic input datasets for the 2023 Alaska update to the U.S. National Seismic Hazard Model (NSHM): 1) fault section vector line data, 2) fault zone vector polygon data, and 3) accompanying earthquake geology attributes.
Alaska Fault Trace Mapping, 2021 Alaska Fault Trace Mapping, 2021
This dataset provides a detailed (1:10,000) digital map of fault and fold traces in Alaska, USA based on features identified in the freely available ArcticDEM 3.0. The fault traces represented in this dataset either revise the location and accuracy of known active faults or folds archived in the USGS Quaternary Fault and Fold Database, or represent the surface traces of active structures...
Appendices for Transgressive-Regressive Cycles in the Metalliferous, Oil Shale-Bearing Heath Formation (Upper Mississippian), Central Montana Appendices for Transgressive-Regressive Cycles in the Metalliferous, Oil Shale-Bearing Heath Formation (Upper Mississippian), Central Montana
This data release is teh set of appendices for Dumoulin et al. 2018 https://doi.org/10.29041/strat.14.1-4.97-122 ("Transgressive-regressive cycles in the metalliferous, oil shale-bearing Heath Formation (Upper Mississippian), central Montana"). The dataset consists of 8 appendices, including a histogram of solid bitumen and vitrinite Ro values, gas chromatograms, isotopic data, organic...
Eastern Denali Fault Surface Trace Map, Eastern Alaska and Adjacent Canada Eastern Denali Fault Surface Trace Map, Eastern Alaska and Adjacent Canada
This data release provides three geospatical datasets showing the surface trace of the Eastern Denali Fault between the Alaska-Yukon international border and the village of Haines Junction, Yukon, Canada. The datasets are: (1) a photogrammetry-based digital elevation model (DEM; average resolution of 4 m/pixel), (2) 13 digital aerial photo orthomosaics, and (3) a detailed (1:2,000 to 1...
Mineral resources
Mineral resources
Select Mineral Abundancy Data from Alaska Placer and Pan Concentrate Samples Reanalyzed from 2020-2025 Select Mineral Abundancy Data from Alaska Placer and Pan Concentrate Samples Reanalyzed from 2020-2025
Samples from the Alaska Placer Concentrate Collection (APCC) were retrieved from the U.S. Geological Survey (USGS) National Geochemical Sample Archives and submitted for mineralogical analysis at the Colorado School of Mines. The APPC contains samples from placer mining operations throughout Alaska. The original collection contained approximately 5,000 samples that were collected by USGS...
Alaska Resource Data File (ARDF) Alaska Resource Data File (ARDF)
The Alaska Resource Data File (ARDF) is a database of mines, prospects, and mineral occurrences in Alaska. It contains information compiled from published and unpublished sources from industry, U.S. Bureau of Mines (BOM), U.S. Geological Survey (USGS), and other government and private sources. ARDF is not a mining claims database.
Mineralogical and Chemical Data for Heavy-Mineral Concentrate Samples Collected in the Taylor Mountains Quadrangle, Alaska, 2004-2008 Mineralogical and Chemical Data for Heavy-Mineral Concentrate Samples Collected in the Taylor Mountains Quadrangle, Alaska, 2004-2008
Data for 819 pan concentrated stream-sediment samples, nonmagnetic heavy-mineral concentrate (HMC) samples, and chemical data for 93 of HMC samples. The samples were collected in 2004-2008 as part of a reconnaissance geochemical geological survey of drainage basins mostly in the Taylor Mountains 1:250,000-scale quadrangle in southwestern Alaska. Samples were collected from first- or...
Qualitative Mineral Potential Map of Tungsten Skarn in the Yukon-Tanana Uplands, Eastern Alaska, USA, 2021 Qualitative Mineral Potential Map of Tungsten Skarn in the Yukon-Tanana Uplands, Eastern Alaska, USA, 2021
The data release includes GIS data that map potential for tungsten skarn mineralization in permissive tracts in the Yukon-Tanana Uplands, Eastern Alaska, along with tables listing keywords and procedures used to produce the permissive tracts and score them for mineral potential.The GIS data are encapsulated in a file geodatabase called "AK_Wskarn_tract.gdb" and are also available in the...
Data and Results for GIS-Based Identification of Areas that have Resource Potential for Lode Gold in Alaska Data and Results for GIS-Based Identification of Areas that have Resource Potential for Lode Gold in Alaska
This data release contains the analytical results and evaluated source data files of geospatial analyses for identifying areas in Alaska that may be prospective for different types of lode gold deposits, including orogenic, reduced-intrusion-related, epithermal, and gold-bearing porphyry. The spatial analysis is based on queries of statewide source datasets of aeromagnetic surveys...
Topographic data
Topographic data
Combined High-Resolution Topography and Bathymetry for Western Passage Canal, Near Whittier, Alaska Combined High-Resolution Topography and Bathymetry for Western Passage Canal, Near Whittier, Alaska
This dataset is a new Digital Elevation Model (DEM) using the best available high-resolution topography and bathymetry surrounding the area of Whittier, Alaska. We utilized three datasets (1) LiDAR topography collected by the Alaska Division of Geological and Geophysical Surveys (DGGS) in 2012, (2) multibeam echosounder system (MBES) survey of western Passage Canal collected by the USGS...
Gridded Data from Multibeam Bathymetric Surveys of Eklutna, Kenai, and Skilak Lakes, Alaska Gridded Data from Multibeam Bathymetric Surveys of Eklutna, Kenai, and Skilak Lakes, Alaska
This dataset contains bathymetric depth values for three lakes in southcentral Alaska: Eklutna Lake near the city of Anchorage, Kenai Lake near the city of Cooper Landing, and Skilak Lake near the city of Soldotna. Values are in negative meters and measured relative to the North American Vertical Datum of 1988. The data release consists of a raster grids (Eklutna = 4 m; Kenai = 9 m...
Gridded Data from a 2011 Multibeam Bathymetric Survey of the Western Part of Passage Canal, Near Whittier, Alaska Gridded Data from a 2011 Multibeam Bathymetric Survey of the Western Part of Passage Canal, Near Whittier, Alaska
This data release provides bathymetry data for the western part of Passage Canal, near Whittier Alaska. It was collected by the USGS Pacific Coastal and Marine Science Center in 2011 under Field Activity Number A0111GA. The data release consists of a 5 m grid, derived from processed and cleaned multibeam data. Depths were corrected for tidal variations and calculated using conductivity...
Fodar Orthomosaic and Digital Elevation Model of the Totatlanika River Corridor (Alaska) Acquired August 2021 Fodar Orthomosaic and Digital Elevation Model of the Totatlanika River Corridor (Alaska) Acquired August 2021
This dataset provides one orthorectified aerial photo mosaic and one digital elevation model derived from airborne fodar data acquired in 2021 on August 31 over the Totatlanika River in central Alaska. The term "fodar" is a portmanteau of foto and lidar, coined by Matt Nolan, which describes a method of quantifying the color and elevation of Earth's surface via airborne small-format...
Airborne Lidar-based Digital Elevation Models of Coastal Montague Island (Alaska) Acquired September 2018 Airborne Lidar-based Digital Elevation Models of Coastal Montague Island (Alaska) Acquired September 2018
This dataset provides a digital elevation model mosaic derived from airborne lidar data acquired in 2018 from September 2–3 over eight separate areas along Alaska's Montague Island coast, between Prince William Sound and the Gulf of Alaska.
Digital Elevation Models of Glacier Bay National Park, Between Lituya Bay and Icy Point, Alaska, Derived from Airborne Lidar Data Acquired in September 2015 Digital Elevation Models of Glacier Bay National Park, Between Lituya Bay and Icy Point, Alaska, Derived from Airborne Lidar Data Acquired in September 2015
This dataset provides four digital elevation models derived from airborne lidar data acquired over four separate areas along and adjacent to the Fairweather Fault along the remote Gulf of Alaska coast within Glacier Bay National Park. In 1958, the Fairweather Fault in southeast Alaska ruptured over 260 km between Yakutat Bay and Cross Sound, producing the magnitude 7.8 Lituya Bay...
Maps of the Russian Far East Maps of the Russian Far East
Three geographic maps showing the Russian Far East.
Geologic terrain
Geologic terrain
Permafrost Ground Temperature from 1950 to 1961 in Utqiagvik, Alaska: Special Holes 2, 8, 22, and 26 Permafrost Ground Temperature from 1950 to 1961 in Utqiagvik, Alaska: Special Holes 2, 8, 22, and 26
This legacy dataset includes digitized ground temperatures from four borehole sites in Utqiagvik, Alaska. The data were measured by scientists from the Naval Arctic Research Laboratory (NARL) on a weekly to biweekly frequency spanning 1950 to 1961. The datasets include ground temperatures at approximately 15-24 depth increments down to 60-110 ft (28-33 m) (with higher measurement...
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Geochemistry | Geochronology | Geologic hazards | Geologic mapping | Mineral resources | Topographic data | Geologic terrain
Subgroups located on ASC Geology Data Releases continued:
Argon | Isotope | Luminescence | Major and trace element | Microanalytical trace element | Radiocarbon | Rhenium-Osmium | Thermochronology | Upb titanite | Upb zircon
Data products grouped by: Geochemistry, Geochronology, Geologic hazards, Geologic mapping, Mineral resources, Topographic data, and Geologic terrain
Return to Geology or ASC Data Releases
Geochemistry | Geochronology | Geologic hazards | Geologic mapping | Mineral resources | Topographic data | Geologic terrain
Subgroups located on ASC Geology Data Releases continued:
Argon | Isotope | Luminescence | Major and trace element | Microanalytical trace element | Radiocarbon | Rhenium-Osmium | Thermochronology | Upb titanite | Upb zircon
Geochemistry
Geochemistry
Filter Total Items: 26
Select Mineral Abundancy Data from Alaska Placer and Pan Concentrate Samples Reanalyzed from 2020-2025 Select Mineral Abundancy Data from Alaska Placer and Pan Concentrate Samples Reanalyzed from 2020-2025
Samples from the Alaska Placer Concentrate Collection (APCC) were retrieved from the U.S. Geological Survey (USGS) National Geochemical Sample Archives and submitted for mineralogical analysis at the Colorado School of Mines. The APPC contains samples from placer mining operations throughout Alaska. The original collection contained approximately 5,000 samples that were collected by USGS...
In situ Geochemical Data for Detrital and Porphyry-Related Magnetite from the Taurus Porphyry Cu Deposit and Environs, Alaska, United States In situ Geochemical Data for Detrital and Porphyry-Related Magnetite from the Taurus Porphyry Cu Deposit and Environs, Alaska, United States
This data release comprises geochemical point analyses of magnetite by electron probe microanalyzer (EPMA) and sample imagery acquired by a combination of scanning electron, reflected light, and transmitted light microscopy. Analyzed elements include Fe, Ti, Al, Mn, Mg, V, Si, Ni, Cr, and Ca. Samples are from the Taurus porphyry Cu-Mo(-Au) deposit in the Yukon-Tanana upland of eastern...
U-Pb Zircon Data for Igneous and Metaigneous Rocks of Interior and Southwest Alaska U-Pb Zircon Data for Igneous and Metaigneous Rocks of Interior and Southwest Alaska
This dataset contains U-Pb isotopic data and associated dates for sampled igneous, meta-igneous, and metamorphic rocks of interior and southwestern Alaska. Samples were collected during geologic mapping and mineral deposit research from 2019 to 2023. Mapping and research were funded by the Mineral Resources Program of the U.S. Geological Survey. Mineral separations were conducted at the...
Whole Rock Major and Trace Element Chemistry for Igneous, Metamorphic, and Mineralized Rocks Collected for Select Projects in Alaska Whole Rock Major and Trace Element Chemistry for Igneous, Metamorphic, and Mineralized Rocks Collected for Select Projects in Alaska
This dataset consists of one table containing whole-rock geochemistry data for 251 igneous, metamorphic, and mineralized (metasomatic) rocks from various locations across Alaska in support of mineral assessments of critical minerals and transboundary watersheds. The samples were collected mainly between 2019 and 2023, and all materials were analyzed by ALS Global, between 2019 and 2023...
Zircon U-Pb, Organic Carbon Isotope, and Geochemistry Data from the Hue Shale and Canning Formation, Arctic Alaska, 2025 Zircon U-Pb, Organic Carbon Isotope, and Geochemistry Data from the Hue Shale and Canning Formation, Arctic Alaska, 2025
This dataset contains results from three stratigraphic sections of the Hue Shale located in and adjacent to the Arctic National Wildlife Refuge in northeastern Alaska. Sample heights were measured with a tape measure in continuous successions. Zircon grains from volcanic ashes were analyzed via laser ablation at the University of California, Santa Barbara (UCSB) using a Photon Machines...
U-Pb Isotopic Data and Dates of Zircon from the Western Upper Peninsula of Michigan and Northern Wisconsin, United States U-Pb Isotopic Data and Dates of Zircon from the Western Upper Peninsula of Michigan and Northern Wisconsin, United States
This dataset contains U-Pb isotopic data and associated dates of zircon from sedimentary and metamorphic rocks collected from the western Upper Peninsula of Michigan and northern Wisconsin, United States. The samples were collected as part of geological mapping and research conducted from 2019 to 2023 and funded by the Mineral Resources Program of the U.S. Geological Survey. Zircon...
Geochemical Data for Bulk Samples and Their Derivative Size and Density Fractions from Placer Tailings in Alaska Geochemical Data for Bulk Samples and Their Derivative Size and Density Fractions from Placer Tailings in Alaska
This data release contains elemental concentration data from geochemical analysis of eight bulk placer tailing sediment samples and of size and density fractions derived from those eight samples. All placer tailing material collected for this data release originated from samples that were collected in Alaska. The samples collected from one fifth yard of tailings material, sieved to -1/4...
U-Pb Ages, Neodymium Isotope Ratios, and Trace Element Concentrations by Laser-Ablation Split Stream (LASS) Analysis of Igneous Titanite and Apatite from Interior and Southcentral Alaska U-Pb Ages, Neodymium Isotope Ratios, and Trace Element Concentrations by Laser-Ablation Split Stream (LASS) Analysis of Igneous Titanite and Apatite from Interior and Southcentral Alaska
This dataset contains U-Pb isotopic data and ages plus trace element concentrations from titanite and apatite in igneous rocks collected for USGS projects in the Alaska Range, Yukon Tanana uplands of eastern Alaska, and a study of ophiolites in Alaska. A subset of analyses also includes simultaneous measurements of Sm-Nd isotope ratios. For this subset, split-stream configuration...
Select Mineral Abundancy Data from Alaska Placer and Pan Concentrate Samples Reanalyzed from 2020-2023 Select Mineral Abundancy Data from Alaska Placer and Pan Concentrate Samples Reanalyzed from 2020-2023
Samples from the Alaska Placer Concentrate Collection (APCC) were retrieved from the USGS National Geochemical Sample Archives and submitted for mineralogical analysis at the Colorado School of Mines. The APPC contains samples from placer mining operations throughout Alaska. The original collection contained approximately 5,000 samples that were collected by U.S. Geological Survey...
Selected Whole-Rock and Sediment Geochemistry Reanalysis Data Additions to the Alaska Geochemical DataBase (AGDB) from Archived Samples, Alaska Selected Whole-Rock and Sediment Geochemistry Reanalysis Data Additions to the Alaska Geochemical DataBase (AGDB) from Archived Samples, Alaska
This data release contains elemental concentration data from the reanalysis of 13,930 archived stream-sediment sample and associated stream sediment reference material and 968 archived rock samples and associated rock reference material. All archived material was from samples that were collected in Alaska. Samples were retrieved from the USGS Mineral Program's sample archive in Denver...
Geochronology
Geochronology
Filter Total Items: 30
(U-Th)/He Dates of Detrital Magnetite from Streams Draining the Taurus Porphyry Cu Deposit, Alaska, United States (U-Th)/He Dates of Detrital Magnetite from Streams Draining the Taurus Porphyry Cu Deposit, Alaska, United States
This data release contains 54 (U-Th)/He dates acquired from detrital magnetite in stream sediments adjacent to the Taurus Porphyry Cu-Mo(-Au) deposit in eastern interior Alaska's Yukon-Tanana Upland. Measured parameters include Helium-4, Uranium-238, Thorium-232, measured grain geometry factors, and all associated analytical uncertainties. Final (U-Th)/He dates along with uncertainties...
Age Data for River Terraces on the Marsh Creek Anticline (Arctic Alaska, USA) Collected 2023-2025 Age Data for River Terraces on the Marsh Creek Anticline (Arctic Alaska, USA) Collected 2023-2025
These data are in three tables with age data for river terraces on the Marsh Creek anticline, from samples collected at sites along Marsh Creek and the Katakturuk River in Arctic Alaska. The tables include: (1) Carbon-14 ages, (2) Optically Stimulated Luminescence (OSL) age, and (3) Cosmogenic Beryllium-10 concentrations.
Radiocarbon Data from Coastal Environments on Montague Island, Alaska Radiocarbon Data from Coastal Environments on Montague Island, Alaska
This dataset consists of sample descriptions and radiocarbon age data from coastal environments on Montague Island, Alaska, analyzed at the National Ocean Sciences Accelerator Mass Spectrometry Facility.
Radiocarbon Data for Tree Ring Samples from Girdwood, Alaska Radiocarbon Data for Tree Ring Samples from Girdwood, Alaska
This dataset consists of sample details and radiocarbon age data of tree-ring samples collected near Girdwood, Alaska, and analyzed at the National Ocean Sciences Accelerator Mass Spectrometry Facility.
Fission Track Data and Ages of Apatite and U-Pb Isotopic Data and Ages of Igneous and Detrital Zircon from Selected Rocks from the Lake Clark and Lake Iliamna Region of South-Central Alaska Fission Track Data and Ages of Apatite and U-Pb Isotopic Data and Ages of Igneous and Detrital Zircon from Selected Rocks from the Lake Clark and Lake Iliamna Region of South-Central Alaska
This data set contains fission track data and associated ages of apatite from igneous and sedimentary rocks, U-Pb isotopic data and associated ages of zircon from a subset of the igneous rock samples, and U-Pb isotopic data and associated ages of detrital zircon from a subset of the sedimentary rock samples. All samples were collected from the region surrounding Lake Clark and Lake...
New U-Pb Geochronology and Geochemistry of Paleozoic Metaigneous Rocks from Western Yukon and Eastern Alaska New U-Pb Geochronology and Geochemistry of Paleozoic Metaigneous Rocks from Western Yukon and Eastern Alaska
This data release contains three tables of U-Pb zircon isotopic data generated from analyses of 40 metaplutonic and metavolcanic rocks from the Yukon-Tanana Upland of western Yukon and east-central Alaska and one sample from southern Yukon. One of the tables also reports U-Pb data for two titanite analyses for one of the samples. U-Pb zircon ages from analyzed samples range from 363.5...
U-Pb Ages, Hafnium Isotope Ratios, and Trace Element Concentrations by Laser-ablation Split Stream (LASS) Analysis of Igneous and Metamorphic Zircons from the Yukon-Tanana Upland, Eastern Alaska U-Pb Ages, Hafnium Isotope Ratios, and Trace Element Concentrations by Laser-ablation Split Stream (LASS) Analysis of Igneous and Metamorphic Zircons from the Yukon-Tanana Upland, Eastern Alaska
This dataset contains U-Pb isotopic data and ages, Hf isotope data, and trace element concentrations of zircon from igneous rocks collected from the Yukon-Tanana Upland, eastern Alaska. The sample suite was collected as part of geological mapping and supporting geochemical and geochronological analysis conducted from 2013 to 2019. Zircon was obtained from these igneous rocks to determine...
Data for Uranium-Lead Geochronology, Carbon and Sulfur Stable Isotopes, and Raman Spectroscopy from Graphite Creek, Alaska Data for Uranium-Lead Geochronology, Carbon and Sulfur Stable Isotopes, and Raman Spectroscopy from Graphite Creek, Alaska
The data release includes zircon and titanite U-Pb-Thisotope and age data, monazite U-Pb-Th isotope, trace element and age data, carbon and sulfur stableisotope data, and graphite Raman spectroscopy data, from samples collected at the Graphite Creek deposit, Alaska. Sample location information and descriptions are in table "_sampleDescriptions_". Table "_ramanPeakFits_" contains all raw...
U-Pb Isotopic Data and Ages of Detrital Zircon from Selected Rocks from Southwestern Alaska and the Yukon-Tanana Upland and Environs of Eastern Interior Alaska and Eastern Yukon, Canada U-Pb Isotopic Data and Ages of Detrital Zircon from Selected Rocks from Southwestern Alaska and the Yukon-Tanana Upland and Environs of Eastern Interior Alaska and Eastern Yukon, Canada
This dataset contains U-Pb isotopic data and associated ages of detrital zircon from sedimentary and metasedimentary rocks collected from southwestern Alaska and from the Yukon-Tanana upland and environs of eastern interior Alaska and western Yukon, Canada. The samples were collected as part of geological mapping and research conducted from 1996 to 2021 and funded by the Mineral...
U-Pb Ages, Hafnium Isotope Ratios, and Trace Element Concentrations by Laser-Ablation Split Stream (LASS) Analysis of Igneous Zircons from the Western Alaska Range U-Pb Ages, Hafnium Isotope Ratios, and Trace Element Concentrations by Laser-Ablation Split Stream (LASS) Analysis of Igneous Zircons from the Western Alaska Range
This dataset contains U-Pb isotopic data and ages, Hf isotope data, and trace element concentrations of zircon from igneous rocks collected from the western Alaska Range of south-central Alaska. The sample suite was collected as part of geological mapping and supporting geochemical and geochronological analysis conducted from 2011 to 2013. We also analyzed portions of remainders of...
Geologic hazards
Geologic hazards
Computed Tomography (CT) scans of sediment cores collected from Montague Island, AK Computed Tomography (CT) scans of sediment cores collected from Montague Island, AK
This data release contains Computed Tomography (CT) scan images of sediment cores collected from Montague Island, in Prince William Sound, Alaska. Sediment cores were collected from lagoons uplifted >3 m in the 1964 earthquake along the coast of Montague Island and aid in interpreting changes in deposition environment over the past several thousand years, which may record evidence for...
Diatom Data from Coastal Environments on Montague Island, Alaska Diatom Data from Coastal Environments on Montague Island, Alaska
This dataset consists of fossil diatom counts from sediment cores collected in coastal environments on Montague Island, Alaska, and analyzed at Virginia Tech University.
Geologic Inputs for the 2023 Alaska Update to the U.S. National Seismic Hazard Model (NSHM) Geologic Inputs for the 2023 Alaska Update to the U.S. National Seismic Hazard Model (NSHM)
This data release is composed of three crustal (as opposed to subduction zone) geologic input datasets for the 2023 Alaska update to the U.S. National Seismic Hazard Model (NSHM): 1) fault section vector line data, 2) fault zone vector polygon data, and 3) accompanying earthquake geology attributes.
Alaska Fault Trace Mapping, 2021 Alaska Fault Trace Mapping, 2021
This dataset provides a detailed (1:10,000) digital map of fault and fold traces in Alaska, USA based on features identified in the freely available ArcticDEM 3.0. The fault traces represented in this dataset either revise the location and accuracy of known active faults or folds archived in the USGS Quaternary Fault and Fold Database, or represent the surface traces of active structures...
Eastern Denali Fault Surface Trace Map, Eastern Alaska and Adjacent Canada Eastern Denali Fault Surface Trace Map, Eastern Alaska and Adjacent Canada
This data release provides three geospatical datasets showing the surface trace of the Eastern Denali Fault between the Alaska-Yukon international border and the village of Haines Junction, Yukon, Canada. The datasets are: (1) a photogrammetry-based digital elevation model (DEM; average resolution of 4 m/pixel), (2) 13 digital aerial photo orthomosaics, and (3) a detailed (1:2,000 to 1...
Geologic mapping
Geologic mapping
Geospatial Data for the Surficial Geologic Map of the Central Brooks Range, Alaska Geospatial Data for the Surficial Geologic Map of the Central Brooks Range, Alaska
Geologic map geodatabase depicting the surficial geology of the central Brooks Range, Alaska. Including the 250k quadrangles of Ambler River, Bettles, Chandalar, Chandler Lake, Hughes, Howard Pass, Killik River, Phillip Smith Mountains, Survey Pass, and Wiseman. Database tables include geologic linework and geologic units.
Data Release for the Geologic Map of the Greater Antilles and Virgin Islands Data Release for the Geologic Map of the Greater Antilles and Virgin Islands
Geologic map geodatabase depicting the geology of the Greater Antilles and Virgin Islands region, including countries of Cuba, Haiti, Dominican Republic, and Jamaica, and territories of Puerto Rico, the U.S. Virgin Islands, the British Virgin Islands, and the Cayman Islands. Database tables include: geologic linework, dikes, folds, geologic units, and geochronologic data.
Diatom Data from Coastal Environments on Montague Island, Alaska Diatom Data from Coastal Environments on Montague Island, Alaska
This dataset consists of fossil diatom counts from sediment cores collected in coastal environments on Montague Island, Alaska, and analyzed at Virginia Tech University.
Sediment Transport Data from the Totatlanika River, Alaska, August 2021 Sediment Transport Data from the Totatlanika River, Alaska, August 2021
This data package provides four datasets acquired for the purpose of quantifying parameters affecting sediment trasport along the Totatlanika River, which drains the minerally endowed and tectonically active northern Alaska Range. The datasets provide measures of: (1) channel geometry, (2) boulders, (3) sediment grains size, and (4) water flow. The data can be used to understand sediment...
Field Data Collected 2018 to Document Human-induced Gorge Incision at The Kink (Fortymile River, Alaska) Field Data Collected 2018 to Document Human-induced Gorge Incision at The Kink (Fortymile River, Alaska)
This dataset is comprised of four tables containing channel survey cross section data, field observations including channel width and bank material, measured surface water velocity, and alluvial grain size data collected along the North Fork Fortymile River near a man-made meander cutoff called The Kink. The data release also contains eight field photos used to obtain grain size...
Geologic Inputs for the 2023 Alaska Update to the U.S. National Seismic Hazard Model (NSHM) Geologic Inputs for the 2023 Alaska Update to the U.S. National Seismic Hazard Model (NSHM)
This data release is composed of three crustal (as opposed to subduction zone) geologic input datasets for the 2023 Alaska update to the U.S. National Seismic Hazard Model (NSHM): 1) fault section vector line data, 2) fault zone vector polygon data, and 3) accompanying earthquake geology attributes.
Alaska Fault Trace Mapping, 2021 Alaska Fault Trace Mapping, 2021
This dataset provides a detailed (1:10,000) digital map of fault and fold traces in Alaska, USA based on features identified in the freely available ArcticDEM 3.0. The fault traces represented in this dataset either revise the location and accuracy of known active faults or folds archived in the USGS Quaternary Fault and Fold Database, or represent the surface traces of active structures...
Appendices for Transgressive-Regressive Cycles in the Metalliferous, Oil Shale-Bearing Heath Formation (Upper Mississippian), Central Montana Appendices for Transgressive-Regressive Cycles in the Metalliferous, Oil Shale-Bearing Heath Formation (Upper Mississippian), Central Montana
This data release is teh set of appendices for Dumoulin et al. 2018 https://doi.org/10.29041/strat.14.1-4.97-122 ("Transgressive-regressive cycles in the metalliferous, oil shale-bearing Heath Formation (Upper Mississippian), central Montana"). The dataset consists of 8 appendices, including a histogram of solid bitumen and vitrinite Ro values, gas chromatograms, isotopic data, organic...
Eastern Denali Fault Surface Trace Map, Eastern Alaska and Adjacent Canada Eastern Denali Fault Surface Trace Map, Eastern Alaska and Adjacent Canada
This data release provides three geospatical datasets showing the surface trace of the Eastern Denali Fault between the Alaska-Yukon international border and the village of Haines Junction, Yukon, Canada. The datasets are: (1) a photogrammetry-based digital elevation model (DEM; average resolution of 4 m/pixel), (2) 13 digital aerial photo orthomosaics, and (3) a detailed (1:2,000 to 1...
Mineral resources
Mineral resources
Select Mineral Abundancy Data from Alaska Placer and Pan Concentrate Samples Reanalyzed from 2020-2025 Select Mineral Abundancy Data from Alaska Placer and Pan Concentrate Samples Reanalyzed from 2020-2025
Samples from the Alaska Placer Concentrate Collection (APCC) were retrieved from the U.S. Geological Survey (USGS) National Geochemical Sample Archives and submitted for mineralogical analysis at the Colorado School of Mines. The APPC contains samples from placer mining operations throughout Alaska. The original collection contained approximately 5,000 samples that were collected by USGS...
Alaska Resource Data File (ARDF) Alaska Resource Data File (ARDF)
The Alaska Resource Data File (ARDF) is a database of mines, prospects, and mineral occurrences in Alaska. It contains information compiled from published and unpublished sources from industry, U.S. Bureau of Mines (BOM), U.S. Geological Survey (USGS), and other government and private sources. ARDF is not a mining claims database.
Mineralogical and Chemical Data for Heavy-Mineral Concentrate Samples Collected in the Taylor Mountains Quadrangle, Alaska, 2004-2008 Mineralogical and Chemical Data for Heavy-Mineral Concentrate Samples Collected in the Taylor Mountains Quadrangle, Alaska, 2004-2008
Data for 819 pan concentrated stream-sediment samples, nonmagnetic heavy-mineral concentrate (HMC) samples, and chemical data for 93 of HMC samples. The samples were collected in 2004-2008 as part of a reconnaissance geochemical geological survey of drainage basins mostly in the Taylor Mountains 1:250,000-scale quadrangle in southwestern Alaska. Samples were collected from first- or...
Qualitative Mineral Potential Map of Tungsten Skarn in the Yukon-Tanana Uplands, Eastern Alaska, USA, 2021 Qualitative Mineral Potential Map of Tungsten Skarn in the Yukon-Tanana Uplands, Eastern Alaska, USA, 2021
The data release includes GIS data that map potential for tungsten skarn mineralization in permissive tracts in the Yukon-Tanana Uplands, Eastern Alaska, along with tables listing keywords and procedures used to produce the permissive tracts and score them for mineral potential.The GIS data are encapsulated in a file geodatabase called "AK_Wskarn_tract.gdb" and are also available in the...
Data and Results for GIS-Based Identification of Areas that have Resource Potential for Lode Gold in Alaska Data and Results for GIS-Based Identification of Areas that have Resource Potential for Lode Gold in Alaska
This data release contains the analytical results and evaluated source data files of geospatial analyses for identifying areas in Alaska that may be prospective for different types of lode gold deposits, including orogenic, reduced-intrusion-related, epithermal, and gold-bearing porphyry. The spatial analysis is based on queries of statewide source datasets of aeromagnetic surveys...
Topographic data
Topographic data
Combined High-Resolution Topography and Bathymetry for Western Passage Canal, Near Whittier, Alaska Combined High-Resolution Topography and Bathymetry for Western Passage Canal, Near Whittier, Alaska
This dataset is a new Digital Elevation Model (DEM) using the best available high-resolution topography and bathymetry surrounding the area of Whittier, Alaska. We utilized three datasets (1) LiDAR topography collected by the Alaska Division of Geological and Geophysical Surveys (DGGS) in 2012, (2) multibeam echosounder system (MBES) survey of western Passage Canal collected by the USGS...
Gridded Data from Multibeam Bathymetric Surveys of Eklutna, Kenai, and Skilak Lakes, Alaska Gridded Data from Multibeam Bathymetric Surveys of Eklutna, Kenai, and Skilak Lakes, Alaska
This dataset contains bathymetric depth values for three lakes in southcentral Alaska: Eklutna Lake near the city of Anchorage, Kenai Lake near the city of Cooper Landing, and Skilak Lake near the city of Soldotna. Values are in negative meters and measured relative to the North American Vertical Datum of 1988. The data release consists of a raster grids (Eklutna = 4 m; Kenai = 9 m...
Gridded Data from a 2011 Multibeam Bathymetric Survey of the Western Part of Passage Canal, Near Whittier, Alaska Gridded Data from a 2011 Multibeam Bathymetric Survey of the Western Part of Passage Canal, Near Whittier, Alaska
This data release provides bathymetry data for the western part of Passage Canal, near Whittier Alaska. It was collected by the USGS Pacific Coastal and Marine Science Center in 2011 under Field Activity Number A0111GA. The data release consists of a 5 m grid, derived from processed and cleaned multibeam data. Depths were corrected for tidal variations and calculated using conductivity...
Fodar Orthomosaic and Digital Elevation Model of the Totatlanika River Corridor (Alaska) Acquired August 2021 Fodar Orthomosaic and Digital Elevation Model of the Totatlanika River Corridor (Alaska) Acquired August 2021
This dataset provides one orthorectified aerial photo mosaic and one digital elevation model derived from airborne fodar data acquired in 2021 on August 31 over the Totatlanika River in central Alaska. The term "fodar" is a portmanteau of foto and lidar, coined by Matt Nolan, which describes a method of quantifying the color and elevation of Earth's surface via airborne small-format...
Airborne Lidar-based Digital Elevation Models of Coastal Montague Island (Alaska) Acquired September 2018 Airborne Lidar-based Digital Elevation Models of Coastal Montague Island (Alaska) Acquired September 2018
This dataset provides a digital elevation model mosaic derived from airborne lidar data acquired in 2018 from September 2–3 over eight separate areas along Alaska's Montague Island coast, between Prince William Sound and the Gulf of Alaska.
Digital Elevation Models of Glacier Bay National Park, Between Lituya Bay and Icy Point, Alaska, Derived from Airborne Lidar Data Acquired in September 2015 Digital Elevation Models of Glacier Bay National Park, Between Lituya Bay and Icy Point, Alaska, Derived from Airborne Lidar Data Acquired in September 2015
This dataset provides four digital elevation models derived from airborne lidar data acquired over four separate areas along and adjacent to the Fairweather Fault along the remote Gulf of Alaska coast within Glacier Bay National Park. In 1958, the Fairweather Fault in southeast Alaska ruptured over 260 km between Yakutat Bay and Cross Sound, producing the magnitude 7.8 Lituya Bay...
Maps of the Russian Far East Maps of the Russian Far East
Three geographic maps showing the Russian Far East.
Geologic terrain
Geologic terrain
Permafrost Ground Temperature from 1950 to 1961 in Utqiagvik, Alaska: Special Holes 2, 8, 22, and 26 Permafrost Ground Temperature from 1950 to 1961 in Utqiagvik, Alaska: Special Holes 2, 8, 22, and 26
This legacy dataset includes digitized ground temperatures from four borehole sites in Utqiagvik, Alaska. The data were measured by scientists from the Naval Arctic Research Laboratory (NARL) on a weekly to biweekly frequency spanning 1950 to 1961. The datasets include ground temperatures at approximately 15-24 depth increments down to 60-110 ft (28-33 m) (with higher measurement...
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Argon | Isotope | Luminescence | Major and trace element | Microanalytical trace element | Radiocarbon | Rhenium-Osmium | Thermochronology | Upb titanite | Upb zircon