Keith Labay
Keith is a Physical Scientist for the Alaska Science Center.
Science and Products
Filter Total Items: 36
Preliminary integrated geologic map databases for the United States: Digital data for the reconnaissance geologic map for Prince William Sound and the Kenai Peninsula, Alaska
The growth in the use of Geographic Information Systems (GIS) has highlighted the need for digital geologic maps that have been attributed with information about age and lithology. Such maps can be conveniently used to generate derivative maps for manifold special purposes such as mineral-resource assessment, metallogenic studies, tectonic studies, and environmental research. This report is part o
Geoscience for Alaska's D-1 lands: A preliminary report
Purpose of This Report This interim report follows from the June 2006 recommendations to Congress by the BLM concerning disposition of the d-1 lands. That report recommended lifting of a significant number of d-1 PLOs, through the ongoing land management process within the BLM (e.g. resource management planning areas), or through Congressional action. The strategic actions outlined in this documen
Authors
Jeanine M. Schmidt, B. M. Gamble, Keith A. Labay
3D Visualization of Earthquake Focal Mechanisms Using ArcScene
We created a new tool, 3D Focal Mechanisms (3DFM), for viewing earthquake focal mechanism symbols three dimensionally. This tool operates within the Environmental Systems Research Institute (ESRI®) GIS software ArcScene® 9.x. The program requires as input a GIS point dataset of earthquake locations containing strike, dip, and rake values for a nodal plane of each earthquake. Other information, suc
Authors
Keith A. Labay, Peter J. Haeussler
Submarine slope failures near Seward, Alaska, during the M9.2 1964 earthquake
Following the 1964 M9.2 megathrust earthquake in southern Alaska, Seward was the only town hit by tsunamis generated from both submarine landslides and tectonic sources. Within 45 seconds of the start of the earthquake, a 1.2-km-long section of waterfront began sliding seaward, and soon after, ~6-8-m high waves inundated the town. Studies soon after the earthquake concluded that submarine landslid
Authors
Peter J. Haeussler, H. J. Lee, H. F. Ryan, Keith A. Labay, R. E. Kayen, M. A. Hampton, E. Suleimani
Preliminary integrated geologic map databases for the United States: Digital data for the reconnaissance geologic map of the Yukon-Koyukuk basin, Alaska
No abstract available.
Authors
Frederic H. Wilson, Keith A. Labay, Nora B. Shew, Solmaz Mohadjer, W. W. Patton
Preliminary integrated geologic map databases for the United States: Digital data for the geology of Wrangell-Saint Elias National Park and Preserve, Alaska
No abstract available.
Authors
Frederic H. Wilson, Keith A. Labay, Nora B. Shew, Cindi C. Preller, Solmaz Mohadjer, Donald H. Richter
Preliminary integrated geologic map databases for the United States: Kentucky, Ohio, Tennessee, and West Virginia
The growth in the use of Geographic Information Systems (GIS) has highlighted the need for regional and national digital geologic maps attributed with age and lithology information. Such maps can be conveniently used to generate derivative maps for purposes including mineral-resource assessment, metallogenic studies, tectonic studies, and environmental research. This Open-File Report is a prelimin
Authors
Suzanne W. Nicholson, Connie L. Dicken, John D. Horton, Keith A. Labay, Michael P. Foose, Julia A. L. Mueller
Preliminary integrated geologic map databases for the United States: Digital data for the reconnaissance geologic map of the Kodiak Islands, Alaska
No abstract available.
Authors
Frederic H. Wilson, Keith A. Labay, Solmaz Mohadjer, Nora B. Shew
Preliminary geologic map of the northeast Dillingham quadrangle (D-1, D-2, C-1, and C-2), Alaska
Open-File Report 03-105 contains a digital geologic map database for the northeast part of the Dillingham 1:250,000-scale quadrangle, specifically the D-1, D-2, C-1, and C-2 1:63,360-scale map sheets. The report includes:A Postscript file showing the geologic map on a topographic and land-grid base, and containing a Correlation of Map Units diagram (CMU), and a List of Map Units. (Note the size of
Authors
Frederic H. Wilson, Travis L. Hudson, Donald Grybeck, Douglas B. Stoeser, Cindi C. Preller, Damon Bickerstaff, Keith A. Labay, Marti L. Miller
Outcrop structural data from Wales Group and adjacent rocks, Dall and Prince of Wales islands, southeastern Alaska
This report presents a compilation of 3224 measurements of outcrop structures from Wales Group and adjacent strata on Dall and Prince of Wales Islands, southeastern Alaska. We collected 2230 measurements, an additional 344 were digitized from the map of Eberlein and others (1983), and an additional 650 come from the map of Herreid and others (1978). These data are listed in Excel spreadsheet, tab-
Authors
Peter J. Haeussler, Susan M. Karl, Keith A. Labay
GIS coverages of the Castle Mountain Fault, south central Alaska
The Castle Mountain fault is one of several major east-northeast-striking faults in southern Alaska, and it is the only fault with had historic seismicity and Holocene surface faulting. This report is a digital compilation of three maps along the Castle Mountain fault in south central Alaska. This compilation consists only of GIS coverages of the location of the fault, line attributes indicating t
Authors
Keith A. Labay, Peter J. Haeussler
Use of Landsat MSS and TM imagery to improve reconnaissance geologic mapping in the Ruby quadrangle, west-central Alaska: A section in Geological studies in Alaska by the U.S. Geological Survey, 1999
By using Multispectral Scanner (MSS) and Thematic Mapper (TM) satellite images, the spatial relation of units JMtu (mafic, ultramafic, and sedimentary rocks, undivided) and PzZrqs (pelitic and quartzitic schist) of Wilson and others (1998) from the northeastern portion of the Ruby 1:250,000-scale quadrangle geologic map was further defined. The MSS image was first analyzed using spectral signature
Authors
Keith A. Labay, Frederic H. Wilson, Kuuipo A. Burleigh
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Filter Total Items: 36
Preliminary integrated geologic map databases for the United States: Digital data for the reconnaissance geologic map for Prince William Sound and the Kenai Peninsula, Alaska
The growth in the use of Geographic Information Systems (GIS) has highlighted the need for digital geologic maps that have been attributed with information about age and lithology. Such maps can be conveniently used to generate derivative maps for manifold special purposes such as mineral-resource assessment, metallogenic studies, tectonic studies, and environmental research. This report is part oGeoscience for Alaska's D-1 lands: A preliminary report
Purpose of This Report This interim report follows from the June 2006 recommendations to Congress by the BLM concerning disposition of the d-1 lands. That report recommended lifting of a significant number of d-1 PLOs, through the ongoing land management process within the BLM (e.g. resource management planning areas), or through Congressional action. The strategic actions outlined in this documenAuthorsJeanine M. Schmidt, B. M. Gamble, Keith A. Labay3D Visualization of Earthquake Focal Mechanisms Using ArcScene
We created a new tool, 3D Focal Mechanisms (3DFM), for viewing earthquake focal mechanism symbols three dimensionally. This tool operates within the Environmental Systems Research Institute (ESRI®) GIS software ArcScene® 9.x. The program requires as input a GIS point dataset of earthquake locations containing strike, dip, and rake values for a nodal plane of each earthquake. Other information, sucAuthorsKeith A. Labay, Peter J. HaeusslerSubmarine slope failures near Seward, Alaska, during the M9.2 1964 earthquake
Following the 1964 M9.2 megathrust earthquake in southern Alaska, Seward was the only town hit by tsunamis generated from both submarine landslides and tectonic sources. Within 45 seconds of the start of the earthquake, a 1.2-km-long section of waterfront began sliding seaward, and soon after, ~6-8-m high waves inundated the town. Studies soon after the earthquake concluded that submarine landslidAuthorsPeter J. Haeussler, H. J. Lee, H. F. Ryan, Keith A. Labay, R. E. Kayen, M. A. Hampton, E. SuleimaniPreliminary integrated geologic map databases for the United States: Digital data for the reconnaissance geologic map of the Yukon-Koyukuk basin, Alaska
No abstract available.AuthorsFrederic H. Wilson, Keith A. Labay, Nora B. Shew, Solmaz Mohadjer, W. W. PattonPreliminary integrated geologic map databases for the United States: Digital data for the geology of Wrangell-Saint Elias National Park and Preserve, Alaska
No abstract available.AuthorsFrederic H. Wilson, Keith A. Labay, Nora B. Shew, Cindi C. Preller, Solmaz Mohadjer, Donald H. RichterPreliminary integrated geologic map databases for the United States: Kentucky, Ohio, Tennessee, and West Virginia
The growth in the use of Geographic Information Systems (GIS) has highlighted the need for regional and national digital geologic maps attributed with age and lithology information. Such maps can be conveniently used to generate derivative maps for purposes including mineral-resource assessment, metallogenic studies, tectonic studies, and environmental research. This Open-File Report is a preliminAuthorsSuzanne W. Nicholson, Connie L. Dicken, John D. Horton, Keith A. Labay, Michael P. Foose, Julia A. L. MuellerPreliminary integrated geologic map databases for the United States: Digital data for the reconnaissance geologic map of the Kodiak Islands, Alaska
No abstract available.AuthorsFrederic H. Wilson, Keith A. Labay, Solmaz Mohadjer, Nora B. ShewPreliminary geologic map of the northeast Dillingham quadrangle (D-1, D-2, C-1, and C-2), Alaska
Open-File Report 03-105 contains a digital geologic map database for the northeast part of the Dillingham 1:250,000-scale quadrangle, specifically the D-1, D-2, C-1, and C-2 1:63,360-scale map sheets. The report includes:A Postscript file showing the geologic map on a topographic and land-grid base, and containing a Correlation of Map Units diagram (CMU), and a List of Map Units. (Note the size ofAuthorsFrederic H. Wilson, Travis L. Hudson, Donald Grybeck, Douglas B. Stoeser, Cindi C. Preller, Damon Bickerstaff, Keith A. Labay, Marti L. MillerOutcrop structural data from Wales Group and adjacent rocks, Dall and Prince of Wales islands, southeastern Alaska
This report presents a compilation of 3224 measurements of outcrop structures from Wales Group and adjacent strata on Dall and Prince of Wales Islands, southeastern Alaska. We collected 2230 measurements, an additional 344 were digitized from the map of Eberlein and others (1983), and an additional 650 come from the map of Herreid and others (1978). These data are listed in Excel spreadsheet, tab-AuthorsPeter J. Haeussler, Susan M. Karl, Keith A. LabayGIS coverages of the Castle Mountain Fault, south central Alaska
The Castle Mountain fault is one of several major east-northeast-striking faults in southern Alaska, and it is the only fault with had historic seismicity and Holocene surface faulting. This report is a digital compilation of three maps along the Castle Mountain fault in south central Alaska. This compilation consists only of GIS coverages of the location of the fault, line attributes indicating tAuthorsKeith A. Labay, Peter J. HaeusslerUse of Landsat MSS and TM imagery to improve reconnaissance geologic mapping in the Ruby quadrangle, west-central Alaska: A section in Geological studies in Alaska by the U.S. Geological Survey, 1999
By using Multispectral Scanner (MSS) and Thematic Mapper (TM) satellite images, the spatial relation of units JMtu (mafic, ultramafic, and sedimentary rocks, undivided) and PzZrqs (pelitic and quartzitic schist) of Wilson and others (1998) from the northeastern portion of the Ruby 1:250,000-scale quadrangle geologic map was further defined. The MSS image was first analyzed using spectral signatureAuthorsKeith A. Labay, Frederic H. Wilson, Kuuipo A. Burleigh - Software
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