Rocks and deposits
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.
Bedform sedimentology [ More info] Bedform sedimentology home page with links to information on sedimentary structures including, explanatory text, computer-generated images and movies, photographs, and bedform simulation software.
Biological resource status and trends: Contaminants in soil [ More info] Information concerning status and trends of biological resources, focusing on contaminants in soil
Circum-Arctic Resource Appraisal: Estimates of Undiscovered Oil and Gas North of the Arctic Circle [ More info] 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.
Coal database for Cook Inlet and North Slope, Alaska [ More info] Published and nonconfidential unpublished coal data from wells in Alaska.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.
Computer simulation of reservoir depletion and oil flow from the Macondo well following the Deepwater Horizon blowout [ More info] This model estimates, by simulation, the reservoir pressure, flow rate, and volume of oil discharged, and the report discusses the uncertainty in the estimates.
Cross-bedding, bedforms,and paleocurrents [ More info] The on-line version of Cross-Bedding, Bedforms, and Paleocurrents, with computer images, photographic images, and text.
Deserts, geology and resources [ More info] Online edition of booklet describing desert geology and mineral resources.
Devils Postpile National Park geologic story [ More info] Site has links to Devils Postpile's geologic history, rocks and minerals, geologic time, geologic maps.
Dinosaurs, fact and fiction [ More info] Online booklet with answers to frequently asked questions about dinosaurs.
Education resources for paleontology [ More info] Contacts and other sources of information for teachers, students, and others interested in paleontology with links to related USGS websites and on-line publications.
Alphabetical Index of Topics
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