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Geochemical, mineralogical, and grain-size data for deep cores from the Cache Creek Settling Basin and streambed sediments from the Sacramento River watershed Geochemical, mineralogical, and grain-size data for deep cores from the Cache Creek Settling Basin and streambed sediments from the Sacramento River watershed
The Cache Creek Settling Basin (CCSB) is a 13.3 km2 levee-bounded sediment retention basin located at the modern terminus of Cache Creek near the eastern boundary of Yolo County, approximately two miles NE of Woodland, California. The Cache Creek Settling Basin was constructed in 1937 by the U.S. Army Corps of Engineers to trap suspended sediment from the upper Cache Creek watershed...
Geochemistry and Environmental Tracer Data for Groundwater, Stream Water, and Sediment from the East Mancos River, Colorado, 2023 Geochemistry and Environmental Tracer Data for Groundwater, Stream Water, and Sediment from the East Mancos River, Colorado, 2023
This U.S. Geological Survey (USGS) data release contains data from stream water, groundwater, and stream sediment samples collected in August 2023 in the East Mancos River watershed in southwestern Colorado. Data were collected as part of a study aimed at identifying sources of elevated metal concentrations in the stream. Eighteen streambank wells were installed in pairs at nine...
Geochemistry and mineralogy of mill tailings from the Ducktown mining district, Tennessee, USA Geochemistry and mineralogy of mill tailings from the Ducktown mining district, Tennessee, USA
These .csv files contain data on the bulk mineralogy and geochemistry of tailings samples from the Ducktown volcanogenic massive sulfide mining district in Tennessee, USA. The reported geochemistry was collected using inductively-coupled plasma optical emission spectroscopy/mass spectrometry (ICP-OES/MS), wavelength-dispersive X-ray fluorescence (WDXRF), lead fire assay-inductively...
Geochemistry data for melt inclusions and rocks of the McDermitt caldera, Oregon Geochemistry data for melt inclusions and rocks of the McDermitt caldera, Oregon
This dataset contains geochemical data collected for melt inclusions and rocks of the McDermitt caldera, Oregon, USA. See related primary publication for a detailed description of this dataset. https://doi.org/10.1130/G53140.1
Geochemistry of drill core and hand samples from the Duluth Complex, Minnesota Geochemistry of drill core and hand samples from the Duluth Complex, Minnesota
This dataset includes geochemical analytical results of rock samples sourced from drill core and hand specimens from the South Kawishiwi, Bald Eagle, Crocodile Lake, Cucumber Lake intrusions, and the Logan Sills, in the Duluth Complex, Minnesota. The dataset includes whole-rock and elemental geochemistry information with analysis methods used and qualifier (filtered) information where...
Geochemistry, olivine chemistry, microXRF chemical maps, and isotope geochemistry of komatiitic volcanic rocks and U-Pb geochronology of metasedimentary rocks from the Bradley Peak and South Pass greenstone terranes, Wyoming Province Geochemistry, olivine chemistry, microXRF chemical maps, and isotope geochemistry of komatiitic volcanic rocks and U-Pb geochronology of metasedimentary rocks from the Bradley Peak and South Pass greenstone terranes, Wyoming Province
Bradley Peak and South Pass are two ca. 2.7 Ga greenstone terranes in the Archean Wyoming Province, USA that contain mafic-ultramafic metavolcanic rocks. This dataset contains five Comma Separated Value (CSV) files of tabular data, a data dictionary for tabular data (Data_Dictionary.csv), a shapefile with sample locations, and microXRF images. Wholerock_geochemistry.csv includes whole...
Geochemistry, thin section images, and 40Ar/39Ar isotopic data of selected bedrock samples in the Orange-Milford Belt, Connecticut Geochemistry, thin section images, and 40Ar/39Ar isotopic data of selected bedrock samples in the Orange-Milford Belt, Connecticut
This data release contains geochemical data, thin section images, and 40Ar/39Ar isotopic data from bedrock samples in the Orange-Milford Belt of south-central Connecticut. The geochemical data comprise whole-rock major oxide and trace element abundances in 111 samples. Pairs of images in plane-polarized light and cross-polarized light are included for 90 thin sections. Step-heated 40Ar...
Geochronological Data for: Preliminary geologic map of the west half of the Emporia 30x60-minute quadrangle, Virginia and North Carolina Geochronological Data for: Preliminary geologic map of the west half of the Emporia 30x60-minute quadrangle, Virginia and North Carolina
The Emporia 1:100,000-scale quadrangle straddles the Tidewater Fall Line in southern Virginia and includes a small part of northernmost North Carolina. Sediments of the coastal plain underlie the eastern three-fifths of this area. This data release contains geochronology from sediment samples collected in the eastern half of the Emporia 30’ x 60’ quadrangle, Virginia and North Carolina...
GeoClaw model output for downstream flood hazards post-hypothetical asteroid impact in four locations derived from the 2025 Planetary Defense Conference NASA PAIR Risk Corridor GeoClaw model output for downstream flood hazards post-hypothetical asteroid impact in four locations derived from the 2025 Planetary Defense Conference NASA PAIR Risk Corridor
The flood model GeoClaw, a program that simulates shallow surface flows by solving the 2D depth-averaged shallow water equations for flow, was used to assess potential downstream flooding risk post-asteroid-impact. The examined hypothetical impact scenarios were derived from the NASA PAIR 2025 Planetary Defense Conference (PDC) risk corridor during Epoch 1: impact energy averages between...
Geodatabase for the geologic map of the Buckner 7.5-minute quadrangle, Louisa County, Virginia Geodatabase for the geologic map of the Buckner 7.5-minute quadrangle, Louisa County, Virginia
The database for the Buckner 7.5-minute quadrangle straddles three terrane boundaries in the Piedmont Physiographic Province in central Virginia: the Chopawamsic terrane, the Elk Hill Complex, and the Goochland terrane. In much of the map area, the Elk Hill Complex separates the Chopawamsic and Goochland terranes. Rocks of the Chopawamsic terrane include Ordovician metavolcanic and...
GeoFlight: Airborne magnetic and radiometric surveys of the Salton Trough, Southern California GeoFlight: Airborne magnetic and radiometric surveys of the Salton Trough, Southern California
The U.S. Geological Survey (USGS) and the Department of Energy (DOE) have collaborated to acquire high-resolution airborne magnetic and radiometric data, over the Salton Trough in southern California, to support geologic and geophysical mapping and modeling that will assist geothermal and critical mineral studies. The surveys, referred to as GeoFlight spans an area that contains some of...
Geologic map database of the Bison Range and vicinity, northwestern Montana Geologic map database of the Bison Range and vicinity, northwestern Montana
This data release provides Geologic Map Schema (GeMS)-compliant GIS data for new geologic mapping of the Bison Range and surrounding area on the Flathead Reservation, northwestern Montana. The database represents the geology for the 150 square kilometer, geologically complex map area, at a publication scale of 1:24,000. The map covers parts of Sanders and Lake Counties, Montana. All...