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Geology
Study of the planet earth, its composition, structure, physical and chemical processes, and history since its origin.
Subtopics:
Economic geology (158 items)
Geochronology (23 items)
Geomorphology (41 items)
Hydrogeology (37 items)
Marine geology (52 items)
Mineralogy (14 items)
Petrology (3 items)
Sedimentology (19 items)
Stratigraphy (8 items)
Structural geology (7 items)
Volcanology (60 items)

Subsurface maps (93 items)
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Results 11 - 20 of 468 listed alphabetically [list by similarity]
Alaska Resource Data Files [More info]
Downloadable descriptions of mines, prospects, and mineral occurrences for individual U.S. Geological Survey 1:250,000-scale quadrangles in Alaska.
Alaska Volcano Observatory [More info]
Homepage for Alaska Volcano Observatory (AVO) with offices in Anchorage and Fairbanks monitors and studies Alaska's hazardous volcanoes. Links to featured news, updates, publications and products, and a volcano atlas for Alaska.
Alaska mineral resources [More info]
Reports, data, and current research on mineral resources in Alaska
Alaska petroleum resources [More info]
Information on Alaskan energy resources in oil, petroleum, and natural gas with links to publications and other research.
America's volcanic past - volcanic highlights and features [More info]
Links to volcanism, volcanic history, volcanic rocks, and general geology by state, by region, national parks and national monuments and a brief introduction to volcanism around the U.S. entitled: Windows into the past.
PDF An estimate of undiscovered conventional oil and gas resources of the world, 2012 [More info]
Using a geology-based assessment methodology, we estimated means of 565 billion barrels of conventional oil and 5,606 trillion cubic feet of undiscovered conventional natural gas in 171 priority geologic provinces of the world, exclusive of the U.S.
An interpretation of the 1977 Airborne Electromagnetic (AEM) survey, Fort Huachuca vicinity, Cochise County, Arizona [More info]
Complex report on the interpretation of aeromagnetic data to study hydrogeology of the San Pedro basin, Cochise County, Arizona determining geologic structure, basin fill and depth to water. Online version of a CD-ROM publication.
An overview of coastal land loss with emphasis on the southeastern United States [More info]
Comprehensive background information on coastal land loss, discussing the influence of waves and storms, the intrinsic characteristics of the shoreline materials, and the role of human activities.
Aquifer basics [More info]
Links to general information on water supply by aquifers based on rock types and to principal national aquifers by name.
Arctic National Wildlife Refuge, 1002 Area, petroleum assessment, 1998, including economic analysis [More info]
Arctic National Wildlife Refuge (ANWR) 1002 area's petroleum resource assessment. Text available in PDF and HTML formats.
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