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State
Geologic map of the Makushin volcanic field, Unalaska Island, Alaska
State of Alaska —
Report of Investigation 97-20, Geologic map of the Makushin volcanic field, Unalaska Island, Alaska, covers most of the north end of Unalaska Island, which is the... -
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
40Ar/39Ar geochronology data from the Ladue River-Mount Fairbanks area, eastern Alaska
State of Alaska —
40Ar/39Ar geochronology data from the Ladue River-Mount Fairbanks area, eastern Alaska, Raw Data File 2024-32, provides 40Ar/39Ar geochronology results from rock... -
State
Geology of the Sleetmute A-5, A-6, B-5, and B-6 quadrangles, southwestern Alaska
State of Alaska —
Geology of the Sleetmute A-5, A-6, B-5, and B-6 quadrangles, southwestern Alaska, Professional Report 99, presents a compilation geologic map of the Chuilnuk... -
State
40Ar/39Ar data from the Richardson mining district, Big Delta Quadrangle, Alaska
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 geochronology data from the Tanacross and Eagle quadrangles, Alaska
State of Alaska —
40Ar/39Ar geochronology data from the Tanacross and Eagle quadrangles, Alaska, Raw Data File 2023-23, provides 40Ar/39Ar geochronology data from igneous and... -
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
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
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
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
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
40Ar/39Ar data from the eastern Moran area, Tanana B-6 and C-6 quadrangles, and the Ruby mining district, Ruby B-5 and B-6 quadrangles, Alaska
State of Alaska —
This report presents 40Ar/39Ar step-heating geochronology results for igneous and metamorphic rocks from the eastern Moran area. Field samples were collected by the... -
State
40Ar/39Ar and U-Pb geochronology of Cretaceous-Paleocene igneous rocks and Cenozoic strata of northwestern Cook Inlet, Alaska: Linkages between arc magmatism, cooling, faulting, and forearc subsidence
State of Alaska —
DGGS Professional Report 125, 40Ar/39Ar and U-Pb geochronology of Cretaceous-Paleocene igneous rocks and Cenozoic strata of northwestern Cook Inlet, Alaska: Linkages... -
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... -
State
Interpretive geologic bedrock map of the Tanana A-1 and A-2 quadrangles, central Alaska
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... -
State
Preliminary geologic map of the Fairbanks mining district, Alaska
State of Alaska —
Public Data File 96-16, Preliminary geologic map of the Fairbanks mining district, Alaska, provides detailed (1:63,360-scale) geologic mapping of portions of U.S.... -
State
Bedrock geologic map of the Eagle A-2 Quadrangle, Fortymile mining district, Alaska
State of Alaska —
Preliminary Interpretive Report PIR 2001-3B, Bedrock geologic map of the Eagle A-2 Quadrangle, Fortymile mining district, provides 1:63,360-scale geologic mapping of...