202 datasets found
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State
40Ar/39Ar data from rocks collected in the 2015 Wrangellia mineral assessment project area, Mount Hayes A-5, Mount Hayes B-6, and Talkeetna Mountains D-2 quadrangles, Alaska
State of Alaska —
This report presents 40Ar/39Ar step-heating geochronology results for igneous and metamorphic rocks from the Alaska Division of Geological & Geophysical Surveys'... -
State
40Ar/39Ar data from the Talkeetna Mountains C-4 Quadrangle and adjoining areas, central Alaska
State of Alaska —
This report presents 40Ar/39Ar step-heating geochronology results for igneous and metamorphic rocks from the Alaska Division of Geological & Geophysical Surveys'... -
State
Geology of the Sleetmute C-7, C-8, D-7, and D-8 quadrangles, Horn Mountains, southwestern Alaska
State of Alaska —
Geology of the Sleetmute C-7, C-8, D-7, and D-8 quadrangles, Horn Mountains, southwestern Alaska, Report of Investigation 98-12, presents a geologic map of the Horn... -
State
Geology and geologic hazards in the Whittier area, Southcentral Alaska
State of Alaska —
Geology and geologic hazards in the Whittier area, Southcentral Alaska, Preliminary Interpretive Report 2024-10, presents mapping of surficial and bedrock geology and... -
State
Analyses of historic U.S. Bureau of Mines rock and heavy mineral concentrate samples for geochemical trace-element and rare-earth element data--Ray Mountains and Kanuti-Hodzana uplands area, Alaska
State of Alaska —
Re-analyses of sample pulps and bulk rejects from historic USBM rock and heavy-mineral-concentrate samples were conducted by the Alaska Division of Geological &... -
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
Northeastern Tanacross geologic map, Tanacross D-1, D-2, C-1, and C-2 quadrangles, Alaska
State of Alaska —
The Mineral Resources section of the Alaska Division of Geological & Geophysical Surveys (DGGS) conducted 500 mi2 of 1:63,360-scale geologic mapping in the... -
State
Major-oxide, minor-oxide, and trace-element geochemical data from rocks collected in the Chistochina mining district, Mount Hayes Quadrangle, Alaska, in 2005-2009
State of Alaska —
Mineral-resources personnel from the Alaska Division of Geological & Geophysical Surveys (DGGS) carried out a geological field survey, including mapping and... -
State
Geochemical, major-oxide, minor-oxide, trace-element, carbon, and rare-earth-element data from rocks collected in 2011 in the Moran area, Tanana and Melozitna Quadrangles, Alaska
State of Alaska —
Mineral-resources personnel from the Alaska Division of Geological & Geophysical Surveys carried out a geologic field survey, including mapping and sampling in... -
State
Geologic map of the Circle mining district, Alaska
State of Alaska —
This report provides detailed (1:63,360-scale) mapping of portions of U.S. Geological Survey Circle B-2 (1955), B-3 (1955), B-4 (1952), C-2 (1955), C-3 (1955), and... -
Federal
Availability of shallow ground-water resources within the Standing Rock Indian Reservation, Sioux County, North Dakota, and Corson County, South Dakota
Department of the Interior —
This coverage contains information about the probability of obtaining a water supply within the Standing Rock Indian Reservation, Sioux County, North Dakota, and... -
State
Geochemical, major-oxide, minor-oxide, trace-element and carbon data from rocks collected in 2011 in the Moran area, Tanana and Melozitna Quadrangles, Alaska
State of Alaska —
Mineral-resources personnel from the Alaska Division of Geological & Geophysical Surveys carried out a geologic field survey, including mapping and sampling in... -
Federal
Data release for the geologic map of the upper Arkansas River valley region, north-central Colorado
Department of the Interior —
This 1:50,000-scale geologic map represents a compilation of the most recent geologic studies of the upper Arkansas River valley, between Leadville and Salida,... -
State
Geologic map of the Iditarod D-1 Quadrangle, Alaska
State of Alaska —
Geologic map of the Iditarod D-1 Quadrangle, Alaska, Professional Report 78, provides 1:63,360-scale geologic mapping of parts of McGrath and Innoko mining districts... -
State
Bedrock geologic map of the Chulitna region, southcentral Alaska
State of Alaska —
This map is the result of field investigations by DGGS in 1997 and 1998. This geologic map and report supersede the previously released Public Data File 99-24B,... -
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 —
Geologic map of portions of the Livengood B-3, B-4, C-3, and C-4 quadrangles, Tolovana mining district, Alaska, Report of Investigation 2016-5, presents a geologic... -
State
Sedimentology, stacking patterns, and depositional systems in the middle Albian-Cenomanian Nanushuk Formation in outcrop, Central North Slope, Alaska
State of Alaska —
Detailed facies analysis is presented for the Nanushuk Formation in outcrop in the central North Slope. Facies associations are interpreted and described. Simplified... -
State
40Ar/39Ar data from the northern Fairbanks mining district, Circle Quadrangle, Alaska
State of Alaska —
40Ar/39Ar data from the northern Fairbanks mining district, Circle Quadrangle, Alaska, Raw Data File 2025-1, presents 40Ar/39Ar step-heating geochronology results for... -
State
Geologic map of the McGrath D-6 Quadrangle, Alaska
State of Alaska —
Geologic map of the McGrath D-6 Quadrangle, Alaska, Professional Report 79, provides 1:63,360-scale geologic mapping of the McGrath D-6 Quadrangle, which lies on the...
202 datasets found