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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

Maps showing gravity and aeromagnetic anomalies in the Dillon 1° x 2° quadrangle, Idaho and Montana

No abstract available.

Maps showing metallic mineral resources of the Bendeleben and Solomon quadrangles, western Alaska

This report summarizes the potential for metallic mineral resources in the Bendeleben and Solomon quadrangles, central Seward Peninsul, Alaska (fig. 1), and was prepared as part of the AMRAP (Alaska Mineral Resources Appraisal Program) studies for these quadrangles, which were begun in 1981.  Geologic mapping during this study (TILL and others, 1986) included the southern part of the Kotzebue quad

Maps showing mineral resource assessment for porphyry and stockwork deposits of copper, molybdenum, and tungsten and for stockwork and disseminated deposits of gold and silver in the Butte 1° x 2° quadrangle, Montana

This report documents the assessment for potential occurrences of undiscovered porphyry and stockwork deposits of copper, molybdenum, and tungsten (porphyry Cu-Mo-W) and stockwork and disseminated deposits of gold and silver (disseminated Au-Ag) in the Butte 1 °X2° quadrangle. The Butte quadrangle, in west-central Montana, is one of the best known mineral producing regions in the U.S. Mining distr
By
Earth Resources Observation and Science (EROS) Center

Maps showing the distribution of antimony, arsenic, barium, beryllium, bismuth, cadmium, copper, lead, molybdenum, silver, tin, tungsten, and zinc in heavy-mineral-concentrate samples, Delta 1 degree by 2 degrees Quadrangle, Utah

No abstract available. 

Maps showing the distribution of barium, beryllium, copper, lead, molybdenum, silver, and tin in stream-sediment samples, Delta 1° x 2° quadrangle, Utah

No abstract available.

Maps showing the effects of Hurricane Hugo on the Escollo de Arenas sand and gravel deposit, Vieques Island, Puerto Rico

No abstract available.

Maps showing the sedimentary environment of eastern Georges Bank

No abstract available.

Mineral resource assessment maps of the Harrison 1° x 2° quadrangle, Missouri and Arkansas

No abstract available.

Mineral resource assessment of gold and silver in the Greenville 1° x 2° quadrangle, South Carolina, Georgia, and North Carolina

No abstract available.

Mineral resource assessment of kyanite, sillimanite, and andalusite in the Greenville 1° x 2° quadrangle, South Carolina, Georgia, and North Carolina

No abstract available.

Mineral resource assessment of mafic and ultramafic rocks in the Greenville 1° x 2° quadrangle, South Carolina, Georgia, and North Carolina

Mineral resources of the Greenville 1° x 2° quadrangle, South Carolina, Georgia, and North Carolina, were assessed between 1984 and 1990 under the Conterminuous United States Mineral Assessment Program (CUSMAP) of the U.S. Geological Survey (USGS). The mineral resource assessments were made on the basis of geologic, geochemical, and geophysical investigations and on the distribution of mines, pros

Mineral resource assessment of pegmatite minerals in the Greenville 1° x 2° quadrangle, South Carolina, Georgia, and North Carolina

Mineral resources of the Greenville 1° x 2° quadrangle, South Carolina, Georgia, and North Carolina, were assessed between 1984 and 1990 under the Conterminuous United States Mineral Assessment Program (CUSMAP) of the U.S. Geological Survey (USGS). The mineral resource assessments were made on the basis of geologic, geochemical, and geophysical investigations and on the distribution of mines, pros