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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 (160 items)
Geochronology (23 items)
Geomorphology (41 items)
Hydrogeology (37 items)
Marine geology (52 items)
Mineralogy (15 items)
Petrology (3 items)
Sedimentology (19 items)
Stratigraphy (7 items)
Structural geology (7 items)
Volcanology (61 items)

Subsurface maps (94 items)
Related topics:


Results 457 - 480 of 480 listed alphabetically [list by similarity]
Volunteer Program of the Hawaiian Volcano Observatory (HVO) [More info]
Site for the Volunteer Program at the Hawaiian Volcano Observatory (HVO) with information on how to become a volunteer, volunteer housing, examples of volunteer experiences, available volunteer projects, and about HVO.
PDF Water Resources and Natural Gas Production from the Marcellus Shale [More info]
The Marcellus shale is a black shale unit in the eastern US. It has economic use as a source of natural gas. Environmental concerns arising from the process of exploiting this resource include water supply and wastewater disposal.
Water co-produced with coalbed methane in the Powder River Basin, Wyoming: preliminary compositional data [More info]
Compositional data on water from 47 CBM wells sampled in the Powder River Basin, Wyoming. Data on major, minor, and trace elements are included.
Water resources of Michigan - programs and projects [More info]
Brief descriptions of categories of USGS research programs and projects on water resources in Michigan with links to more detailed information on projects.
Water resources of North Carolina - current district projects [More info]
Links to description, publications, data, and maps for research projects on North Carolina water resources.
Water science for schools: land subsidence [More info]
Site for elementary school studies on land subsidence with links to land subsidence in California, wells, ground water quality, sinkholes, glossary, and a random link.
Water science for schools: the Earth's water - ground water [More info]
Educational site for elementary schools students on ground water sources, ground water flow, and aquifers.
Water-Level Changes in the High Plains Aquifer, Predevelopment to 2002, 1980 to 2002, and 2001 to 2002 [More info]
Data from some 7,000 wells monitoring annual water level changes in the High Plains aquifer indicting changes in water level 1980 to 2002.
West-central Florida erosion study [More info]
West central Florida erosion interactive map with GIS datasets to download including geologic interpretative layers, samples, bathymetry, and imagery.
Western Mineral Resources [More info]
Western Mineral Resources home page with links to projects to assess the mineral resources and mineral related environmental problems of the western region of the United States. Also links to products, offices, facts, FAQs and newsletter.
Western Region Coastal and Marine Geology [More info]
Western Region Coastal and Marine Geology science center conducts research in the coastal and offshore areas of California, Oregon, Washington, Alaska, Hawaii, and other U.S. Pacific Islands.
Western Region Geology and Geophysics Center [More info]
Overview of the research of this organizational unit with links to projects and activities and to geologic information on the western U.S.
Western Region Mineral Resources Project listing [More info]
Links to ongoing mineral resources projects in the Western Region of the United States plus links to offices and staff of the Western Mineral Resources Team.
Western Region geologic information [More info]
Links to geologic information on western states: Alaska, Arizona, California, Hawaii, Idaho, Nevada and Oregon including information on coastal and marine geology, mineral resources, earthquakes, landslides, earthquake hazards and geologic maps.
Western lake catchment systems - Bear Lake region, Idaho-Utah [More info]
Homepage for project on Bear Lake, Idaho-Utah, to study past climate change and effect on lake catchment basins. Includes link to summary, personnel, geology, methods used including coring and seismic surveying, and publications.
What is an Ocean Bottom Seismometer? [More info]
Description and uses of the Ocean Bottom Seismometer; a self contained data-acquisition system which free falls to the ocean floor and records seismic data generated by airguns and earthquakes.
Woods Hole Coastal and Marine Geology Field Center [More info]
Site with links to projects of the field center of the Woods Hole Coastal Marine Geology Program on underwater areas between shorelines and the deep ocean, off the U.S. East Coast, the Gulf of Mexico, and in parts of the Caribbean and Great Lakes.
World Coal Quality Inventory (WoCQI) [More info]
Homepage of the World Coal Quality Inventory (WoCQI) with sample collection procedures.
World Petroleum Assessment 2000: description and results [More info]
World Petroleum Assessment 2000 estimates of the quantities of conventional oil, gas, and natural gas liquids outside the United States that have the potential to be added to reserves in the next 30 years (1995 to 2025).
World petroleum assessment [More info]
A rigorous geologic foundation for estimating world undiscovered energy resources. Links to world energy resources text and maps (PDF format), total petroleum system (TPS), and world geologic maps.
Yellowstone Volcano Observatory (YVO) [More info]
Homepage of the Yellowstone Volcano Observatory with links to information about the observatory at Yellowstone National Park, volcanic history, photo gallery, monitoring data, publications and products, and Frequently Asked Questions (FAQs).
Yosemite Valley geologic story [More info]
Site describes the present understanding of the various geologic processes that contributed to the valley's creation. Links to Yosemite Valley's geologic maps.
PDF Zinc-The key to preventing corrosion [More info]
Explains how we use zinc, where it comes from, and discusses worldwide supply and demand.
usSEABED (marine sediment and rock distribution) [More info]
Data on sediment and rock distributions in the waters off the United States, shown using an internet map service with links to downloadable data files
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