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Data Used to Assess the Hydrogeologic Framework with Emphasis on the Ogallala...
More than 11,500 well records, such as geophysical logs, drilling descriptions, and published hydrogeologic framework information, were evaluated to help characterize the... -
Geologic map of the Kavik River area, northeastern Brooks Range, Alaska
Report of Investigation 2011-3A, Geologic map of the Kavik River area, northeastern Brooks Range, Alaska, presents 1:63,360-scale geologic mapping of the Mt. Michelson B-5 and... -
Petroleum geology data from hydrous and anhydrous pyrolysis residues for coal...
This data release contains programmed pyrolysis, organic petrographic (reflectance), and semiquantitative X-ray diffraction mineralogy data for subsurface coal and shale samples... -
Digital subsurface data of Mesozoic rocks in the Upper Colorado River Basin i...
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 northwestern... -
Geologic map of the Tanana B-1 quadrangle, central 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 the Manley... -
USGS Gulf Coast Source Rock Database
The USGS Gulf Coast Source Rock Database (GCSRD) is an online repository for all publicly available source rock data (outcrop and subsurface) from the states of Florida,... -
Coastal Plain Rotasonic Boreholes acquired within the lower coastal plain of ...
In 1999, the USGS, in partnership with the South Carolina Sea Grant Consortium, began a study to investigate processes affecting shoreline change along the northern coast of... -
Hydrogeologic Data for the Development of the Hydrogeologic Framework of the ...
The U.S. Geological Survey (USGS) undertook a 5-year study beginning in 2016 to assess groundwater availability for the aquifers proximal to the Gulf of Mexico from the Texas-... -
Porphyry copper deposits and prospects in the Andes Mountains of South America
The Andes Mountains of South America host significant porphyry copper deposits. The region is the major global source of copper and an area of active mining, exploration, and... -
Spatial data associated with tungsten skarn resource assessment of the Northe...
A mineral resource assessment was performed by the U.S. Geological Survey (USGS) to assess the potential of undiscovered skarn-hosted tungsten resources in the Northern Rocky... -
Hydrologic and geophysical data from high-elevation boreholes in Redwell Basi...
Boreholes were drilled in 2017 and 2018 in Redwell Basin, a headwater catchment underlain by mineralized and hydrothermally altered sedimentary rock in the Elk Mountains near... -
Interpretation of the elevation of the coastal-plain unconformity derived fro...
Mapping the elevation of the coastal-plain unconformity is useful for delineating the geologic framework of the New York Bight inner-continental shelf. This in turn aids in... -
Hydrologic and geophysical data from high-elevation boreholes in Redwell Basi...
Boreholes were drilled in 2017 and 2018 in Redwell Basin, a headwater catchment underlain by hydrothermally altered sedimentary rock in the Elk Mountains near the town of... -
Spatial data associated with tungsten skarn resource assessment of the Northe...
A mineral resource assessment was performed by the U.S. Geological Survey (USGS) to assess the potential of undiscovered skarn-hosted tungsten resources in the Northern Rocky... -
USGS Gulf Coast Source Rock Database
The USGS Gulf Coast Source Rock Database (GCSRD) is an online repository for all publicly available source rock data (outcrop and subsurface) from the states of Florida,... -
Hydrologic and geophysical data from high-elevation boreholes in Redwell Basi...
Boreholes were drilled in 2017 and 2018 in Redwell Basin, a headwater catchment underlain by mineralized and hydrothermally altered sedimentary rock in the Elk Mountains near... -
Preliminary characterization of two coals from the upper Prince Creek Formati...
In July of 2018, the Alaska Division of Geological & Geophysical Surveys (DGGS) studied and sampled the coal beds within the upper section of the Prince Creek Formation at... -
Results of leaching experiments on 12 energy-related shales from the United S...
Inorganic compositions of flowback and co-produced waters from hydrocarbon extraction have been studied directly and through laboratory experiments that seek to replicate... -
Porphyry copper deposits and prospects in the Andes Mountains of South America
The Andes Mountains of South America host significant porphyry copper deposits. The region is the major global source of copper and an area of active mining, exploration, and... -
Bedrock-geologic map, Alaska Highway corridor, Dot Lake to Tetlin Junction, A...
Preliminary Interpretive Report 2019-2, Bedrock-geologic map, Alaska Highway corridor, Dot Lake to Tetlin Junction, Alaska, shows the distribution of bedrock units exposed at or...
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