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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. 

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Geologic map of upper Clayhole Valley and vicinity, Mohave County, northwestern Arizona Geologic map of upper Clayhole Valley and vicinity, Mohave County, northwestern Arizona

This digital map database is compiled from unpublished data and new mapping by the authors and represents the general distribution of surficial and bedrock geology in the mapped area. Together with the accompanying pamphlet, it provides current information on the geologic structure and stratigraphy of the area. The database delineates map units that are identified by age and lithology

Hawaii's volcanoes revealed Hawaii's volcanoes revealed

Hawaiian volcanoes typically evolve in four stages as volcanism waxes and wanes: (1) early alkalic, when volcanism originates on the deep sea floor; (2) shield, when roughly 95 percent of a volcano's volume is emplaced; (3) post-shield alkalic, when small-volume eruptions build scattered cones that thinly cap the shield-stage lavas; and (4) rejuvenated, when lavas of distinct chemistry...

Map of glacial limits and possible refugia in the southern Alexander Archipelago, Alaska, during the late Wisconsin glaciation Map of glacial limits and possible refugia in the southern Alexander Archipelago, Alaska, during the late Wisconsin glaciation

During the late Wisconsin glaciation (circa 26,000-13,000 carbon-14 yr BP) the Cordilleran glacier complex formed vast ice fields and large glaciers along the crest of the Coast Mountains. As these glaciers flowed west to the Pacific Ocean, they were joined by local glaciers originating on the higher reaches of the Alexander Archipelago (Mann and Hamiltion, 1995). This extensive volume...

Map of surficial deposits and materials in the eastern and central United States (east of 102 degrees West longitude) Map of surficial deposits and materials in the eastern and central United States (east of 102 degrees West longitude)

This data set contains surficial geologic units in the Eastern and Central United States, as well as a glacial limit line showing the position of maximum glacial advance during various geologic time periods. The geologic units represent surficial deposits and other surface materials that accumulated or formed during the past 2+ million years, such as soils

Map showing antimony concentrations from stream sediments and soils throughout the Humboldt River basin and surrounding areas, northern Nevada Map showing antimony concentrations from stream sediments and soils throughout the Humboldt River basin and surrounding areas, northern Nevada

No abstract available.
By
Geology, Energy & Minerals Science Center, Geology, Geophysics, and Geochemistry Science Center

Map showing arsenic concentrations from stream sediments and soils throughout the Humboldt River basin and surrounding areas, northern Nevada Map showing arsenic concentrations from stream sediments and soils throughout the Humboldt River basin and surrounding areas, northern Nevada

No abstract available.
By
Geology, Energy & Minerals Science Center, Geology, Geophysics, and Geochemistry Science Center

Map showing cerium concentrations from stream sediments and soils throughout the Humboldt River basin and surrounding areas, northern Nevada Map showing cerium concentrations from stream sediments and soils throughout the Humboldt River basin and surrounding areas, northern Nevada

No abstract available.
By
Geology, Energy & Minerals Science Center, Geology, Geophysics, and Geochemistry Science Center

Map showing cobalt concentrations from stream sediments and soils throughout the Humboldt River basin and surrounding areas, northern Nevada Map showing cobalt concentrations from stream sediments and soils throughout the Humboldt River basin and surrounding areas, northern Nevada

No abstract available.
By
Geology, Energy & Minerals Science Center, Geology, Geophysics, and Geochemistry Science Center

Map showing copper concentrations from stream sediments and soils throughout the Humboldt River basin and surrounding areas, northern Nevada Map showing copper concentrations from stream sediments and soils throughout the Humboldt River basin and surrounding areas, northern Nevada

No abstract available.

Map showing gold concentrations from stream sediments and soils throughout the Humboldt River basin and surrounding areas, northern Nevada Map showing gold concentrations from stream sediments and soils throughout the Humboldt River basin and surrounding areas, northern Nevada

No abstract available.

Map showing iron concentrations from stream sediments and soils throughout the Humboldt River basin and surrounding areas, northern Nevada Map showing iron concentrations from stream sediments and soils throughout the Humboldt River basin and surrounding areas, northern Nevada

No abstract available.
By
Geology, Energy & Minerals Science Center, Geology, Geophysics, and Geochemistry Science Center

Map showing lead concentrations from stream sediments and soils throughout the Humboldt River basin and surrounding areas, northern Nevada Map showing lead concentrations from stream sediments and soils throughout the Humboldt River basin and surrounding areas, northern Nevada

No abstract available.
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