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Geologic map of the Big Delta A-4 Quadrangle, Alaska
State of Alaska —
This map illustrates extents and types of unconsolidated deposits and bedrock in the Big Delta A-4 Quadrangle, Alaska. This map is based on field observations begun... -
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Geologic Map of the Eagle A-2 Quadrangle, Fortymile mining district, Alaska
State of Alaska —
The Alaska Division of Geological & Geophysical Surveys (DGGS) has conducted 1:63,360-scale geologic mapping of the Eagle A-2 Quadrangle (270 square miles;... -
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Preliminary Derivative Geologic Materials Map of the Fairbanks Mining District, Alaska
State of Alaska —
This map illustrates potential near-surface sources of geologic materials that may be useful for construction and other purposes. Field observations indicate that... -
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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... -
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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 40Ar/39Ar step-heating geochronology results from rocks collected roughly 7 km southwest of Contact Point, Iliamna B-3 Quadrangle. Samples... -
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Bedrock geologic map of the Eagle A-1 Quadrangle, Fortymile mining district
State of Alaska —
Geologists from the Alaska Division of Geological & Geophysical Surveys (DGGS) conducted field investigations and geochemical rock sampling during the 1999, 2000,... -
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Geology of Kasatochi volcano, Aleutian Islands, Alaska
State of Alaska —
Kasatochi is a small, isolated island volcano in the center of the Aleutian Island chain. It consists of a roughly circular cone approximately 3 km in diameter with a... -
State
Photogrammetry-derived digital surface model and orthoimagery of the Usibelli Group type section, Suntrana Creek, Alaska
State of Alaska —
The Alaska Division of Geological & Geophysical Surveys (DGGS) conducted a photogrammetric survey in the Suntrana Creek area near Healy, Alaska. This survey... -
State
Geologic Map of the Eastern Half of the McGrath Quadrangle, Alaska
State of Alaska —
This map is a compilation of previously unpublished and published data, as well as from updated field mapping. This publication offers a 1:125,000-scale map sheet... -
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Geologic context, age constraints, and sedimentology of a Pleistocene volcaniclastic succession near Mount Spurr volcano, south-central Alaska
State of Alaska —
A physiographically prominent, approximately 40 square km plateau lies roughly 20 km east of Mount Spurr volcano, northwestern Cook Inlet region, Alaska, and... -
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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,... -
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40Ar/39Ar ages of rocks collected from the Passage Canal area, Seward D-7 Quadrangle, Alaska
State of Alaska —
This report presents 40Ar/39Ar step-heating geochronology results from a single outcrop of a mineralized near-trench intrusion exposed in a road cut near Whittier,... -
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Geology of Kasatochi volcano, Aleutian Islands, Alaska
State of Alaska —
Kasatochi is a small, isolated island volcano in the center of the Aleutian Island chain. It consists of a roughly circular cone approximately 3 km in diameter with a... -
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... -
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Derivative Map of the Geologic Materials and Hazards in the Eastern Half McGrath Quadrangle, Alaska
State of Alaska —
This map illustrates the potential near-surface sources of various geologic materials that may be useful for construction. Field observations indicate that each... -
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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
Surficial geologic map of the Shaktoolik area, Norton Bay Quadrangle, Alaska
State of Alaska —
This 1:50,000 scale geologic map describes the distribution of unconsolidated deposits, identifies local geologic hazards, and provides information about the... -
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...