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Geologic processes
All types of processes involving geological structures.
Subtopics:
Diagenesis (1 items)
Earthquakes (69 items)
Erosion (27 items)
Glaciation (7 items)
Hydrothermal processes (6 items)
Isostasy (1 items)
Subsidence (9 items)
Liquefaction (1 items)
Metamorphism (geological) (2 items)
Sediment transport (28 items)
Sedimentation (28 items)
Tectonic processes (19 items)
Volcanic activity (49 items)
Earth tides (1 items)
Deformation (geologic) (9 items)
Soil formation (3 items)
Magnetic storms (3 items)
Mass wasting (20 items)
Related topics:


Results 81 - 90 of 236 listed by similarity [list alphabetically]
Executive summary, workshop: seismic and tsunami hazard in Puerto Rico and the Virgin Islands [New Window]
Summary of workshop with links to reports that are recommendations for future projects.
Fault and fold database of the United States [New Window]
Online database of faults and associated folds in the United States that are believed to be sources of significant earthquakes during the last 1.6 million years.
Flow through unsaturated fractured rock [New Window]
Site describes studies using flow visualization and rock matrix pressure measurements to study flow through fractures in the unsaturated zone, which plays an important role in water infiltration and contaminant transport.
Fragile environments: San Francisco Bay wetlands [New Window]
Overview with links to studies on the effects of human activity on the San Francisco estuary with loss of historic fresh and saltwater tidal marshes reducing habitats, introducing contaminants in waste, and creating dredging problems.
Gas hydrate studies: a part of the Geophysics Group [New Window]
Brief overview of gas hydrates and current research. Site also contains links to related USGS research and publications and web sites of other groups participating in gas hydrate research.
General Earthquake Observation System (GEOS) [New Window]
Earthquake and aftershock data collected by the USGS General Earthquake Observation System project in Menlo Park, California.
Geographic Information Systems (GIS) in Missouri [New Window]
Website with links to USGS hydrologic, geohydrologic, soil, and geologic projects in Missouri using geographic information systems (GIS) technology with digital datasets of images, models, and maps produced by the projects to view.
Geology of the New York City Region: A Preliminary Regional Field-Trip Guidebook [New Window]
Provide basic information about the natural history and geologic features of the landscape encompassing the greater New York City metropolitan area.
Geomagnetic observatories [New Window]
Map showing geomagnetic observatories, with detailed information about each one
Geomorphology and sediment transport -- river mechanics [New Window]
Current river mechanics research on particle friction angles of fluvial gravels (data files compressed in BenHex, Winzip and Unix) and Grand Canyon Beach evolution (animation requiring Java 1.0) plus digital elevation files (*.hgx and *.zip files).
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