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USGS CMG InfoBank Geology School: mafic Skip navigational links Search InfoBank     Dictionaries: The USGS and Science Education   USGS Fact Sheets   Topics   Keywords   Data Dictionary   Metadata Dictionary   Computer Terminology   Digital Formats InfoBank Terms: Activity ID   activity overview   crew   formal metadata   lines   metadata   NGDC   port stops   project/theme   region   ship   stations   time   virtual globe   year   Data Types: bathymetry   geodetic positioning   gravity   ground penetrating radar   imagery   LIDAR   magnetics   metering equipment   navigation   samples   seismic   definitions disclaimer   Data Formats: ARC coverage   E00   FGDC metadata   gridded/image   imaging   material   scattered/swath   Shapefile   vector/polygon       Title Comment Keywords Intrusion 04:17 - 05:46 (01:29) / 1.7 MB "James Hutton", granite, plutonic, Scotland, mafic, gabbro, felsic, granite, silica, aluminum, diorite, volcanism, cooling, crystallization, magma, crystal, igneous Differentiation 11:21 - 12:07 (00:46) / 0.6 MB crystal, "David Sigurdson", "Norman Bowen", granite, differentiation, magma, basalt, mafic, felsic, mineral Crystallized Minerals 12:07 - 12:38 (00:31) / 1.0 MB plutonic, intrusion, mafic, felsic, crystal, "lava flow", ash, magma Plutons 17:40 - 18:02 (00:22) / 0.6 MB pluton, "igneous rock", continent, crust, sediment, mafic, magma, "convergent plate", granite Geology School Keywords Skip footer navigational links InfoBank   Menlo Park & Santa Cruz Centers   St. Petersburg Center   Woods Hole Center   Coastal and Marine Geology Program   Geologic Information   Ask-A-Geologist   USGS Disclaimer

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U.S. Department of the Interior | U.S. Geological Survey URL: http://walrus.wr.usgs.gov/infobank/programs/html/school/keypage/mafic.html Page Contact: InfoBank staff Page Last Modified: Tue Dec 16 06:28:51 PST 2008  (wcs)