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Federal
Porphyry copper deposits and prospects in the Andes Mountains of South America
Department of the Interior —
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,... -
Federal
Data release for the Geologic Map of the Denali Park Road Corridor, Denali National Park, Alaska
Department of the Interior —
Denali National Park and Preserve (DENA), located in central Alaska, is home to iconic and dynamic landscapes surrounding the tallest mountain range in North America,... -
State
Geologic map of the Styx River area, Lime Hills C-1 Quadrangle, Western Alaska Range, Alaska
State of Alaska —
Report of Investigation 2020-3, Geologic map of the Styx River area, Lime Hills C-1 Quadrangle, Western Alaska Range, Alaska, presents a 1:63,360-scale geologic map... -
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
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)... -
Federal
Cenozoic Calcareous Nannofossil Occurrences from Mid-Atlantic Coastal Plain Cores, Wells, and Outcrops
Department of the Interior —
In this data release, Cenozoic calcareous nannofossil occurrence charts are provided as Microsoft Excel spreadsheets for 57 cores, wells, or outcrops from the Mid-... -
Federal
Tomography pressure time series (raw) from August 15, 2011, to October 12, 2011, for the lower zone of Floridan aquifer system monitoring well FA-4 at the North District Wastewater Treatment Plant, Miami-Dade County, Florida
Department of the Interior —
U.S. Geological Survey, in cooperation with Miami-Dade County, performed a sequential, aquifer stress test from August 15 to October 12, 2011, on the Floridan aquifer... -
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... -
Federal
Surface and subsurface geologic data from previous USGS studies of the Gulf Coast region, south-central United States
Department of the Interior —
This dataset captures in digital form the results of previously published U.S. Geological Survey (USGS) Water Mission Area studies related to water resource... -
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... -
State
Zircon U-Pb and 40Ar/39Ar results from dikes collected within the Bruin Bay fault zone, lower Cook Inlet
State of Alaska —
This data release presents zircon U-Pb LA-ICP-MS geochronology from igneous rocks exposed in a coastal exposure at Ursus Head, Iliamna C-2 Quadrangle. Sills and dikes... -
State
Petrology and reservoir potential of Tertiary and Mesozoic sandstones, Cook Inlet, Alaska: A preliminary analysis of outcrop samples collected during 2007-2010 field seasons
State of Alaska —
The State of Alaska Division of Geological & Geophysical Surveys (DGGS) and Division of Oil & Gas (DOG) are currently engaged in a multi-year study of the... -
Federal
Sulfur isotope analyses of mineral deposits: sulfide minerals in epithermal veins of the Lowland mining district, Montana, USA and anhydrite associated with the Black Angel zinc-lead-silver deposit, Greenland
Department of the Interior —
These data are sulfur isotope determinations (34S/32S ratios) for sulfur-bearing minerals collected from epithermal veins in the Lowland mining district, Montana, USA... -
Federal
Digital Data for the Geologic Map of the Central Beaverhead Mountains, Lemhi County, Idaho, and Beaverhead County, Montana
Department of the Interior —
This Data Release contains geospatially-enabled geological data to accompany the Geologic Map of the Central Beaverhead Mountains, Lemhi County, Idaho, and Beaverhead... -
State
LA-ICP-MS uranium-lead zircon data from samples in the Chena and Steese project areas
State of Alaska —
LA-ICP-MS uranium-lead zircon data from samples in the Chena and Steese project areas, Raw Data File 2025-25, provides uranium-lead (U-Pb) geochronologic data and... -
State
Preliminary description and interpretation of the Doone Creek fault and associated structures: The potential offset and northeastward continuation of the Bruin Bay fault system in the south-central Talkeetna Mountains, Alaska
State of Alaska —
Preliminary description and interpretation of the Doone Creek fault and associated structures: The potential offset and northeastward continuation of the Bruin Bay... -
Federal
Hydrogeologic Data for the Development of the Hydrogeologic Framework of the Coastal Lowlands Aquifer System Regional Groundwater Availability Study Area in Texas, Louisiana, Mississippi, Alabama, and Florida, 2021
Department of the Interior —
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... -
Federal
Bedrock geologic map database for the Blanca Peak, Walsenburg, Trinidad, and Alamosa 30' x 60' quadrangles, Colorado
Department of the Interior —
This data release presents geologic map data for the bedrock geology of the Blanca Peak, Walsenburg, Trinidad, and Alamosa 30' x 60' quadrangles, Colorado. Geologic... -
Federal
Bedrock geologic map database for the Durango 1-degree x 2-degree quadrangle, southern Colorado: Contributions to the National Geologic Map (ver. 2.0, June 2024)
Department of the Interior —
This data release presents geologic map data for the bedrock geology of the Durango 1-degree by 2-degree quadrangle. Geologic mapping incorporates new interpretive...