Solid masses that make up the earth's crust as well as accumulations of materials. Use for major rock types and unconsolidated deposits. For deposits of economic value, see related terms.
We estimated means of 19 billion barrels of oil and 83 trillion cubic feet of undiscovered natural gas resources in 10 geologic provinces of this area using a geology-based assessment methodology.
This site is designed to provide information on federal interagency and cooperative developments related to coastal sand and gravel resources and management issues along the Atlantic continental margin.
Entry to the Atlas of Antarctic Research giving a common base map for displaying research results, data, and descriptions of projects. Layers can be viewed or downloaded as Digital Elevation Models (DEMs), digital aerial photos, and satellite images.
Bedform sedimentology home page with links to information on sedimentary structures including, explanatory text, computer-generated images and movies, photographs, and bedform simulation software.
Maps and text (Word or PDF format) and database (Excel or HTML format) for bedrock, forest floor, and mineral soil sampling in Voyageurs National Park, Minnesota to establish the background and baseline geochemistry and terrestrial mercury sources.
At a scale of 1:100,000, this map shows an uncommon level of detail for State geologic maps. Mapped rock units are primarily based on lithology, or rock type, to facilitate derivative studies in multiple disciplines.
90 billion barrels of oil, 1,669 trillion cubic feet of natural gas, and 44 billion barrels of natural gas liquids may remain to be found in the Arctic, of which approximately 84 percent is expected to occur in offshore areas.
Published and nonconfidential unpublished coal data from wells in Alaska. Includes well locations, depth and thickness of coal in well, formation type and name, and business administrative information such as permit numbers.