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Our programs produce accurate geologic maps and 3-D geologic frameworks that provide critical data for sustaining and improving the quality of life and economic vitality of the Nation. 

Filter Total Items: 8999

Geochemical and generalized geologic maps showing distribution and abundance of chromium and nickel in the Talkeetna Quadrangle, Alaska

No abstract available.

Geochemical and generalized geologic maps showing distribution and abundance of gold and silver in the Talkeetna Quadrangle, Alaska

No abstract available.

Geochemical and generalized geologic maps showing distribution and abundance of tin, tungsten, and beryllium in the Talkeetna Quadrangle, Alaska

No abstract available.

Geochemical and generalized maps showing distribution and abundance of copper, lead, zinc, and molybdenum in the Talkeetna Quadrangle, Alaska

No abstract available.

Geochemical map showing the distribution and abundance of copper in stream sediments in the Seward and Blying Sound quadrangles, Alaska

Reconnaissance geochemical and mineralogical sampling was done in the Seward and Blying Sound quadrangles during 1975 and 1976 as part of the Alaska Mineral Resources Assessment Program (AMRAP). This map shows the distribution and abundance of copper in stream-sediment samples. Stream-sediment samples were collected at 569 sites from active stream channels and locally, from the interface of stream

Geochemical maps showing the distribution and abundance of antimony, arsenic, bismuth, cadmium, molybdenum, and tin in the Philip Smith Mountains Quadrangle, Alaska

No abstract available. 

Geochemical maps showing the distribution and abundance of barium in the Philip Smith Mountains Quadrangle, Alaska

No abstract available. 

Geochemical maps showing the distribution and abundance of copper in the Philip Smith Mountains Quadrangle, Alaska

No abstract available.

Geochemical maps showing the distribution and abundance of gold in stream sediments and of gold and silver in heavy-mineral concentrates in the Seward and Blying Sound quadrangles, Alaska

Reconnaissance geochemical and mineralogical sampling was done in the Seward and Blying Sound quadrangles during 1975 and 1976 as part of the Alaska Mineral Resources Assessment Program (AMRAP). These maps show the distribution and abundance of gold and silver in heavy-mineral concentrates. Stream-sediment and heavy-mineral concentrate samples were collected from active stream channels and locally

Geochemical maps showing the distribution and abundance of lead in the Philip Smith Mountains Quadrangle, Alaska

No abstract available.

Geochemical maps showing the distribution and abundance of silver in the Philip Smith Mountains Quadrangle, Alaska

No abstract available.

Geochemical maps showing the distribution and abundance of zinc in the Philip Smith Mountains Quadrangle, Alaska

No abstract available.