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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
Geologic map of the Tanana A-1 and A-2 quadrangles, central Alaska recent views
State of Alaska —
This report provides detailed (1:63,360-scale) mapping of the Tanana A-1 and A-2 quadrangles (500 square miles; equivalent to eight 7.5-minute quadrangles). The area... -
State
Geologic map of the Circle mining district, Alaska recent views
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
Operation Basement: Missouri Precambrian Sample Database recent views
Department of the Interior —
In 1968, the Missouri Geological Survey (MGS) established the Operation Basement program to address three objectives: a) to obtain drill hole and underground mining... -
State
Bedrock geologic map of the Liberty Bell area, Fairbanks A-4 Quadrangle, Bonnifield mining district, Alaska recent views
State of Alaska —
Report of Investigation 2006-2 v. 1.0.1, Bedrock geologic map of the Liberty Bell area, Fairbanks A-4 Quadrangle, Bonnifield mining district, Alaska, provides bedrock... -
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
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
Geologic map of the Big Delta B-2 Quadrangle, east-central Alaska recent views
State of Alaska —
Geologic Investigations Series Map 2788, Geologic map of the Big Delta B-2 Quadrangle, east-central Alaska, provides detailed (1:63,360-scale) geologic mapping of the... -
State
U-Pb zircon data and ages for bedrock samples from the Richardson mining district, Big Delta Quadrangle, Alaska recent views
State of Alaska —
During the 2017 and 2018 field seasons, geologists from the Alaska Division of Geological & Geophysical Surveys (DGGS) conducted geologic mapping and sampling in... -
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
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 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.... -
State
Zircon U-Pb age data, Ray Mountains area, Bettles Quadrangle, Alaska recent views
State of Alaska —
U-Pb analyses were performed on igneous rocks from the Ray Mountains area of west-central Alaska. These new age analyses will allow us to better evaluate 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
Field station locations and magnetic susceptibility data collected in 2022 for the Mount Harper project, Eagle, Big Delta, and Mount Hayes quadrangles, Alaska recent views
State of Alaska —
Field station locations and magnetic susceptibility data collected in 2022 for the Mount Harper project, Eagle, Big Delta, and Mount Hayes quadrangles, Alaska, Raw... -
State
Major-oxide and trace-element geochemical data from rocks collected near Panorama Mountain, Mile 104 Seward Highway, Crow Pass, and Whittier, Alaska recent views
State of Alaska —
In conjunction with hosting field trips for the Association of American State Geologists 2016 annual meeting in Girdwood, Alaska, Alaska Division of Geological &... -
State
U-Pb and Lu-Hf isotope, age, and trace-element data from zircons at four sites in the western Alaska Range and Talkeetna Mountains, Alaska recent views
State of Alaska —
This Division of Geological & Geophysical Surveys (DGGS) Raw Data File presents U-Pb geochronology and Lu-Hf isotopic compositions, age-dating results, and... -
State
Preliminary bedrock geologic map database, northeastern Richardson mining district, Alaska recent views
State of Alaska —
During the 2017 field season, geologists from the Alaska Division of Geological & Geophysical Surveys (DGGS) conducted geologic mapping and sampling of part of... -
State
Bedrock geologic map database of the Caribou Creek area, Big Delta C-4 and D-4 quadrangles, east-central Alaska recent views
State of Alaska —
Miscellaneous Publication 172, Bedrock geologic map database of the Caribou Creek area, Big Delta C-4 and D-4 quadrangles, east-central Alaska, presents 1:25,000... -
State
Interpretive geologic bedrock map of the Tanana A-1 and A-2 quadrangles, central Alaska recent views
State of Alaska —
Public Data File 98-37B v. 1.1, Interpretive geologic bedrock map of the Tanana A-1 and A-2 quadrangles, central Alaska, provides detailed (1:63,360-scale) geologic...