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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

Map showing the areal distribution of oil shales with associated mineral resources and metal anomalies in the Western United States and Alaska

No abstract available.

Map showing the depth to the base of the deepest ice-bearing permafrost as determined from well logs, North Slope, Alaska

Because gas hydrates from within a limited temperature range, subsurface equilibrium temperature data are necessary to calculate the depth and thickness of the gas-hydrate stability field.  Acquiring these data is difficult because drilling activity often disrupts equilibrium temperatures in the subsurface, and a well mush lie undisturbed until thermal equilibrium is reestablished (Lachenbruch and

Map showing the distribution of sum of the ranks for concentrations of lead + zinc + copper + silver and lead + zinc in samples of stream sediment from the Wallace 1 degree by 2 degrees Quadrangle, Montana and Idaho

No abstract available. 

Maps showing ages and thermal maturation values of conodonts from the Goshute-Toano Range, Elko County, Nevada

No abstract available.

Maps showing characteristics of the Escollo de Arenas sand and gravel deposit, Vieques Island, Puerto Rico

No abstract available.

Maps showing coal-split boundaries, isopachs of coal splits, coal resources, and coal quality– Mammoth coal bed, Paleocene Tongue River Member of the Fort Union Formation, Bull Mountain coal field, south-central Montana

No abstract available.

Maps showing distribution and abundance of selected elements in heavy-mineral concentrate samples from a reconnaissance geochemical survey of the Healy Quadrangle, Alaska

No abstract available.

Maps showing distribution and abundance of selected elements in stream-sediment samples from a reconnaissance geochemical survey of the Healy Quadrangle, Alaska

No abstract available.

Maps showing geologic and hydrologic factors affecting land-use planning in the Culpeper Basin, Virginia and Maryland

No abstract available.

Maps showing percent of sandstone and total thickness of sandstone in the Westwater Canyon and Brushy Basin Members of the Morrison Formation, San Juan Basin, New Mexico

No abstract available.

Maps showing Quaternary geology of the northern Maryland part of the Chesapeake Bay

No abstract available.
By
Chesapeake Bay Activities

Maps showing Quaternary geology of the northern Virginia part of the Chesapeake Bay

No abstract available.
By
Chesapeake Bay Activities