73 datasets found
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State
Geologic Map of the Eagle A-2 Quadrangle, Fortymile mining district, Alaska
State of Alaska —
The Alaska Division of Geological & Geophysical Surveys (DGGS) has conducted 1:63,360-scale geologic mapping of the Eagle A-2 Quadrangle (270 square miles;... -
State
Geologic map of the Talkeetna Mountains C-4 Quadrangle and adjoining areas, central Alaska
State of Alaska —
Geologic map of the Talkeetna Mountains C-4 Quadrangle and adjoining areas, central Alaska, Preliminary Interpretive Report 2015-6, presents 1:50,000 scale geologic... -
State
Chert geochemistry discriminant analysis and K-meas cluster analysis: Rampart Project area, Tanana B-1 Quadrangle, east-central Alaska
State of Alaska —
A pilot study using discriminant analysis on major oxide and minor element data from 67 chert samples in the Rampart area, southeastern Tanana and southwest Livengood... -
State
Derivative Map of the Geologic Materials and Hazards in the Eastern Half McGrath Quadrangle, Alaska
State of Alaska —
This map illustrates the potential near-surface sources of various geologic materials that may be useful for construction. Field observations indicate that each... -
Federal
Geologic Map of the Greenville 1 degree x 2 degree Quadrangle, South Carolina, Georgia, and North Carolina
Department of the Interior —
Regional geologic investigations show that all the metamorphosed crystalline rocks underlying the Greenville 1 degree x 2 degree quadrangle are allochthonous.... -
Federal
Digital database of the previously published geologic map of the Boulder-Fort Collins-Greeley area, Colorado
Department of the Interior —
This digital map shows the geographic extent of rock stratigraphic units (formations) as compiled by Colton in 1976 under the Front Range Urban Corridor Geology... -
State
Bedrock geologic map of the Salcha River-Pogo area, Big Delta Quadrangle, Alaska
State of Alaska —
Report of Investigations 2004-1b, Bedrock geologic map of the Salcha River-Pogo area, Big Delta Quadrangle, Alaska covers an approximately 435-square-mile area in the... -
State
Geology of the Cobblestone Creek-May Creek area, east-central Brooks Range Foothills, Alaska
State of Alaska —
Geology of the Cobblestone Creek-May Creek area, east-central Brooks Range Foothills, Alaska, Preliminary Interpretive Report 2009-5, presents a 1:63,360 scale... -
State
Northeast Tanacross geologic map and map units and descriptions
State of Alaska —
Report of Investigation 2020-9B, Northeast Tanacross geologic map and map units and descriptions, provides 500 square miles of 1:63,360-scale geologic mapping in the... -
State
Geologic map of the Tanana B-1 quadrangle, central Alaska
State of Alaska —
This report provides detailed (1:63,360-scale) mapping of the Tanana B-1 Quadrangle (250 square miles; equivalent to four 7.5 minute quadrangles). The area is part of... -
Federal
Seamless Integrated Geologic Map Database of the Intermountain West: Bedrock Geology
Department of the Interior —
This dataset is intended to provide seamless, integrated bedrock geologic mapping of the U.S. Intermountain West region and is funded by the National Cooperative... -
Federal
Mineralogical analyses of drill core samples from the Canyon uranium-copper deposit, a solution-collapse breccia pipe, Grand Canyon area, Coconino County, Arizona, USA
Department of the Interior —
This data release compiles the X-ray diffraction and electron microscopy analyses of drill core samples collected by the U.S. Geological Survey that were selected to... -
Federal
U-Pb detrital zircon data for: Select Pennsylvanian-Triassic sedimentary rocks from Colorado
Department of the Interior —
This dataset includes U-Pb detrital zircon age data for samples from the Ingleside and Lyons formations in north-central Colorado collected from Owl Canyon and Park... -
State
Geologic map of portions of the Livengood B-3, B-4, C-3, and C-4 quadrangles, Tolovana mining district, Alaska
State of Alaska —
This data file presents 40Ar/39Ar step-heating geochronology results for a granite sample from the Livengood mining district. The Livengood area is a historically... -
State
Geologic Map of the Eastern Half of the McGrath Quadrangle, Alaska
State of Alaska —
This map is a compilation of previously unpublished and published data, as well as from updated field mapping. This publication offers a 1:125,000-scale map sheet... -
Federal
Digital subsurface data of Paleozoic rocks in the Upper Colorado River Basin in Wyoming, Utah, Colorado, Arizona, and New Mexico from USGS Regional Aquifer System Analysis
Department of the Interior —
The Upper Colorado River Basin has a drainage area of about 113,500 square miles in western Colorado, eastern Utah, southwestern Wyoming, northeastern Arizona, and... -
State
Bedrock geologic map of the Ladue River-Mount Fairplay area, Tanacross and Nabesna quadrangles, Alaska
State of Alaska —
The Mineral Resources section of the Alaska Division of Geological & Geophysical Surveys (DGGS) conducted bedrock geologic mapping of a 4,800-sq-km (1,860-sq-mi)...
73 datasets found