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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 and seismic profiles showing thickness and distribution of postglacial deposits beneath the southern two-thirds of Lake Michigan

No abstract available.

Maps showing areal extent of selected Paleozoic shales in the northern Midcontinent, U.S.A.

No abstract available.

Maps showing areas of potential for mineral resources in the Cordova and northern Middleton Island 1 degree by 3 degrees quadrangles, southern Alaska

No abstract available.

Maps showing locations of mines and prospects in the Butte 1° x 2° quadrangle, western Montana

No abstract available.

Maps showing mineral resource assessment for copper and molybdenum in porphyry and stockwork deposits and for tungsten, iron, gold, copper, and silver in skarn deposits, Dillon 1° x 2° quadrangle, Idaho and Montana

This report is one of several in the series that assess the mineral resources of the Dillon quadrangle. For the purpose of the assessment, mineral deposits· in the quadrangle that are either known or suspected from a knowledge of the geologic setting have been grou~d into 30 deposit types on the basis of mineralogy, commodity, or structural or depositional setting. The emphasis in these assessment
By
Earth Resources Observation and Science (EROS) Center

Maps showing mineral resource assessment for skarn deposits of gold, silver, copper, tungsten, and iron in the Butte 1 degree by 2 degrees Quadrangle, Montana

The purpose of this report is to assess the potential for undiscovered skarn deposits of gold, silver, copper, tungsten, and iron in the Butte 1 °X2° quadrangle. Other deposit types have been assessed and reports for each of the following have been prepared: Vein and replacement deposits of gold, silver, copper, lead, zinc, ·manganese, and tungsten; porphyry-stockwork deposits of copper, molybdenu
By
Earth Resources Observation and Science (EROS) Center

Maps showing mineral resource assessment for vein and replacement deposits of base and precious metals, barite, and fluorspar, Dillon 1° x 2° quadrangle, Idaho and Montana

This report is one of several that assess the mineral resources in the Dillon quadrangle. For the purpose of the assessment, the deposits that are known in the quadrangle, or suspected to be present from a knowledge of the geologic setting, have been grouped into 30 deposit types on the basis of the mineralogy or commodity in the ore and the structural or depositional setting of the deposit. The e
By
Earth Resources Observation and Science (EROS) Center

Maps showing posteruption erosion, deposition, and dome growth in Mount St. Helens Crater, Washington, determined by a geographic information system

No abstract available.
By
Mount St. Helens

Maps showing the distribution of gold determined in various sample media collected from the Port Moller, Stepovak Bay, and Simeonof Island quadrangles, Alaska Peninsula, Alaska

No abstract available.

Maps showing the sea-floor topography of eastern Georges Bank

No abstract available.

Marine geologic map of the north insular shelf of Puerto Rico; Rio de Bayamon to Rio Grande de Loiza

No abstract available.

Metallogenic map of volcanogenic massive sulfide occurrences in Wyoming

Volcanogenic massive sulfide occurrences of Late Archean age and Early Proterozoic age occur in metavolcanic and associated metasedimentary rocks in southeastern, eastern, and central Wyoming. Vein deposits in Archean volcanic terrane have accounted for a large part of the gold production in the State (Miners Delight, locality 8). Past production from all massive sulfide occurrences in the State i