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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: 8997

Geochemical map showing the distribution of gold in the Anchorage 1 degree by 3 degrees Quadrangle, Alaska

No abstract available.

Geochemical maps showing the distribution and concentration of selected elements in nonmagnetic heavy-mineral-concentrate samples from stream sediment from the Craig, Dixon Entrance, and western edges of the Ketchikan and Prince Rupert quadrangles, southe

No abstract available.

Geochemical maps showing the distribution and concentration of selected elements in stream-sediment samples from the Craig, Dixon Entrance, and western edges of the Ketchikan and Prince Rupert quadrangles, southeast Alaska

No abstract available.

Geochemical reconnaissance of the Blue Hill and Gregory Hill Gold Mines and vicinity, Tallapoosa County, Alabama

No abstract available.

Geochemical reconnaissance of the Carroll County Gold Belt and southwestern part of the Dahlonega Gold Belt, western Georgia

The gold deposits in the Carroll County gold belt and the southwestern part of the Dahlonega gold belt are in interlayered metasedimentary and metavolcanic rocks of Late Proterozoic to early Paleozoic age. These rocks are in several thrust sheets that form the southwest continuation of the Blue Ridge thrust stack. The rocks are now mostly mica gneiss and schist, graphitic schist and phyllite, quar

Geochemistry of sediment samples from the northern part of the Chandler Lake Quadrangle, Alaska

No abstract available.

Geologic and structure map, with contours on top of the Pierre Shale, for the north half of the Powder River basin, southeastern Montana and northeastern Wyoming

No abstract available.

Geologic and structure map, with contours on top of the Pierre Shale, for the south half of the Powder River basin, northeastern Wyoming

No abstract available.

Geologic and structure-contour map of the Raton 30' x 60' Quadrangle, Colfax and Union counties, New Mexico, and Las Animas County, Colorado

No abstract available.

Geologic map and structure sections of the Sierra Juarez, Chihuahua, Mexico

No abstract available.

Geologic map of Alamagan Volcano, northern Mariana Islands

No abstract available.

By
Alamagan

Geologic map of Glass Mountain, Mono County, California

No abstract available.