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Federal
Geology of the Grandfather Mountain Window and Vicinity, North Carolina and Tennessee recent views
Department of the Interior —
The Blue Ridge belt in northwestern North Carolina and northeastern Tennessee is composed chiefly of 1,000-million to 1,100-million-year-old metamorphic and plutonic... -
State
Bedrock geologic map of the Kigluaik Mountains, Seward Peninsula, Alaska recent views
State of Alaska —
Bedrock geologic map of the Kigluaik Mountains, Seward Peninsula, Alaska, Public Data File 97-31, presents a 1:63,360-scale bedrock geologic map of parts of the... -
Federal
Bedrock Data from Western Cape Cod, Massachusetts (WELLSITE shapefile, Geographic, NAD27) recent views
Department of the Interior —
Cores collected from recent drilling in western Cape Cod, Massachusetts provide insight into the topography and petrology of the underlying bedrock. Cores from 64... -
State
Geologic map of the Styx River area, Lime Hills C-1 Quadrangle, Western Alaska Range, Alaska recent views
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
Bedrock geologic map of the Salcha River-Pogo area, Big Delta Quadrangle, Alaska recent views
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
U-Pb zircon geochronology of bedrock samples collected in the Eagle and Tanacross quadrangles, eastern Alaska recent views
State of Alaska —
U-Pb zircon geochronology of bedrock samples collected in the Eagle and Tanacross quadrangles, eastern Alaska, Preliminary Interpretive Report 2023-2, presents... -
State
U-Pb zircon ages from bedrock samples collected in the Tanacross and Nabesna quadrangles, eastern Alaska recent views
State of Alaska —
This Alaska Division of Geological & Geophysical Surveys (DGGS) Preliminary Interpretive Report presents uranium-lead (U-Pb) ages of zircons from 37 igneous and... -
State
U-Pb Zircon ages from bedrock samples collected in the Tanacross D-1, and parts of the D-2, C-1, and C-2 quadrangles, Alaska recent views
State of Alaska —
This Alaska Division of Geological & Geophysical Surveys (DGGS) Preliminary Interpretive Report presents U-Pb ages of zircons from 14 sedimentary, metamorphic,... -
State
Geologic map of the Talkeetna Mountains C-4 Quadrangle and adjoining areas, central Alaska recent views
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
Reconnaissance geologic map of the Nome C-3 Quadrangle, Seward Peninsula, Alaska recent views
State of Alaska —
Reconnaissance geologic map of the Nome C-3 Quadrangle, Seward Peninsula, Alaska, Open-File Report 72-322, provides (1:63,360-scale) geologic mapping of parts of the... -
State
Bedrock geologic map of the Ladue River-Mount Fairplay area, Tanacross and Nabesna quadrangles, Alaska recent views
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)... -
State
Bedrock geologic map of the northern Fairbanks mining district, Circle Quadrangle, Alaska recent views
State of Alaska —
Bedrock geologic map of the northern Fairbanks mining district, Circle Quadrangle, Alaska, Preliminary Interpretive Report 2022-2, presents whole-rock trace-element... -
State
40Ar/39Ar data from the Tok River area, Tanacross A-5 and A-6 quadrangles and adjoining areas, eastern Alaska Range recent views
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
U-Pb geochronology of igneous and detrital zircon samples from the Tok River area, eastern Alaska Range, and Talkeetna Mountains, Alaska recent views
State of Alaska —
This Alaska Division of Geological & Geophysical Surveys (DGGS) Raw Data File presents U-Pb zircon geochronology results from igneous, meta-igneous, and... -
State
Geologic map of the Big Delta B-1 Quadrangle, east-central Alaska recent views
State of Alaska —
Scientific Investigations Map 2975, Geologic map of the Big Delta B-1 Quadrangle, east-central Alaska, provides detailed (1:63,360-scale) geologic mapping of the U.S.... -
Federal
U-Pb and Ar-Ar age data and whole rock geochemistry data of igneous and metasedimentary rocks of northeast Afghanistan (ver. 2.0, June 2024) recent views
Department of the Interior —
This dataset accompanies the proposed publication, 'Geochronology and geochemistry of igneous and metasedimentary rocks of northeast Afghanistan: A refinement of the... -
State
Bedrock-geologic map, Alaska Highway corridor, Dot Lake to Tetlin Junction, Alaska recent views
State of Alaska —
Preliminary Interpretive Report 2019-2, Bedrock-geologic map, Alaska Highway corridor, Dot Lake to Tetlin Junction, Alaska, shows the distribution of bedrock units... -
State
Geologic map of portions of the Livengood B-3, B-4, C-3, and C-4 quadrangles, Tolovana mining district, Alaska recent views
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
Bedrock-geologic map, Alaska Highway corridor, Tetlin Junction, Alaska to Canada border recent views
State of Alaska —
Preliminary Interpretive Report 2019-3, Bedrock-geologic map, Alaska Highway corridor, Tetlin Junction, Alaska to Canada border, shows the distribution of bedrock... -
Federal
Bedrock geology of the Woodstock Quadrangle, Grafton County, New Hampshire recent views
Department of the Interior —
The bedrock geologic map database of the Woodstock quadrangle consists of highly deformed metasedimentary rocks of the Central Maine trough, including the Silurian...