22 dataset trovati

During the 2019 field season, geologists from the Alaska Division of Geological & Geophysical Surveys (DGGS) conducted 1:100,000-scale geologic mapping and sampling of a...

During the 2017 field season, geologists from the Alaska Division of Geological & Geophysical Surveys (DGGS) conducted geologic mapping and sampling of part of the...

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 scale geologic...

This Alaska Division of Geological & Geophysical Surveys (DGGS) Preliminary Interpretive Report presents U-Pb ages of zircons from 14 sedimentary, metamorphic, and igneous...

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) area of...

This Division of Geological & Geophysical Surveys (DGGS) Raw Data File presents U-Pb geochronology and Lu-Hf isotopic compositions, age-dating results, and additional trace-...

Preliminary Interpretive Report 2019-2, Bedrock-geologic map, Alaska Highway corridor, Dot Lake to Tetlin Junction, Alaska, shows the distribution of bedrock units exposed at or...

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 the Eagle...

Miscellaneous Publication 29, Mineral assessment of the Lime Peak-Mt. Prindle area, Alaska, presents 1:63,360-scale, reconnaissance bedrock and surficial geologic mapping of the...

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 mapping of...

Report of Investigation 2020-7, Bedrock geologic map of the eastern Denali Highway area, Mount Hayes, Healy, and Talkeetna Mountains quadrangles, Alaska, presents interpreted...

This Alaska Division of Geological & Geophysical Surveys (DGGS) Preliminary Interpretive Report presents uranium-lead (U-Pb) ages of zircons from 37 igneous and metamorphic...

This Alaska Division of Geological & Geophysical Surveys (DGGS) Preliminary Interpretive Report presents U-Pb ages of zircons from 14 sedimentary, metamorphic, and igneous...

During the 2017 field season, geologists from the Alaska Division of Geological & Geophysical Surveys (DGGS) conducted geologic mapping and sampling of part of the...

Report of Investigation 95-2B, Bedrock geologic map of the Circle mining district, Alaska, provides detailed (1:63,360-scale) interpreted bedrock mapping of portions of U.S....

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 mapping of...

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 scale geologic...

LA-ICP-MS uranium lead geochronologic data of zircon from igneous and meta-igneous rocks in the Mount Harper project area, Eagle, Tanacross, Mount Hayes, and Big Delta...

In conjunction with hosting field trips for the Association of American State Geologists 2016 annual meeting in Girdwood, Alaska, Alaska Division of Geological & Geophysical...

Preliminary Interpretive Report PIR 2017-3, Geologic map of the Tok River area, Tanacross A-5 and A-6 quadrangles, eastern Alaska Range, Alaska, provides 1:63,360-scale geologic...