GMEG - Geology and Geophysics
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| Surficial geologic mapping: Regional geological mapping involves compiling and reviewing previously published maps and reports with new mapping using both tried-and-tested methods and new technologies. Field mapping is labor intensive, but new mapping and imaging technologies have made geologic mapping more efficient and accurate. Geologic and geophysical maps are now compiled as databases that can be manipulated with modeling and imaging software programs. The map below is an example of a "young" (geologically speaking) surficial materials map based on stratigraphy (age and composition of materials). Note mapped faults bounded by or cutting across Quaternary- and Holocene-age sediments. The following two maps show regional maps based on gravity and magnetic data for the same region. |
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U.S. Department of the Interior |
U.S. Geological Survey
URL: http://geomaps.wr.usgs.gov/neotectonics/html/schmidtQMap.html
Page Contact Information: GMEG Webmaster
Page Last Modified: 22-Dec-2011@11:35
