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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

The magnetic field of the Earth, 1990: Vertical intensity chart

No abstract available.

A geochemical investigation of selected areas in Greenville and Laurens Counties, South Carolina: Implications for mineral resources

The purpose of this study is to geochemically evaluate three areas within the Greenville 1° x 2° quadrangle (see index map) that have been shown by previous studies to contain anomalously high amounts of tin. Jackson and Moore (1992) reported the presence of cassiterite (SnO2)-bearing heavy-mineral concentrates from stream sediment samples that were collected during a regional geochemical reconnai
By
Geology, Energy & Minerals Science Center

Aeromagnetic map of the San Jose area, California

No abstract available.

Aeromagnetic map of the Tonopah 1 degree by 2 degrees Quadrangle, central Nevada

This aeromagnetic map is part of a folio of maps of the Tonopah 1 degree by 2 degrees quadrangle, Nevada, Prepared under the Conterminous United States Mineral Assessment Program. Each product is designated by a different letter symbol, starting with A, in the U.S. Geological Survey Miscellaneous Field Studies map series MF-1877 folio. The quadrangle encompasses an area of about 19,500 km2 in the

Aeromagnetic maps and terrace-magnetization map centered on the Idaho Batholith and Challis volcanic field, northwestern United States

No abstract available.

Aeromagnetic maps of a buried porphyry copper deposit west of Casa Grande, Arizona

No abstract available.

Atlas of shoreline changes from 1853 to 1989 : Louisiana barrier island erosion study

No abstract available.

Bathymetric map of the Chukchi and Beaufort Seas and adjacent Arctic Ocean

No abstract available.

Bathymetry at the head of the Cape Fear Slide, offshore North Carolina

The Cape Fear Slide is the largest mass-movement that has been observed on the U.S. Atlantic Margin. It is located off the Carolinas on the continental rise in approximately 1,200-5,500 m water depth and extends downslope for over 300 km (Popenoe, 1982). These maps show the bathymetry at the head of the Cape Fear Slide as interpreted from single-channel 3.5 kHz seismic-reflection profiles and mid-

Bedrock and engineering geologic maps of Bronx County and parts of New York and Queens counties, New York

No abstract available.

Bedrock geologic map of the Gloucester and Rockport quadrangles, Essex County, Massachusetts

No abstract available.

Bedrock topography of southwest Iowa

No abstract available.
By
Water Resources Mission Area, Central Midwest Water Science Center