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Coastal & Marine Geology InfoBank

USGS CMG InfoBank Geology School: andesite 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 Ocean-Continent Convergence Zone 06:10 - 06:37 (00:27) / 0.3 MB "Jason Saleeby", "plate tectonics", "oceanic crust", "continental crust", plate, subduction, Andes, "South America", "Pacific Plate", continent, andesite, rhyolite, "volcanic chain", volcano, "granitic rock", eruption Island Arc System 07:45 - 08:41 (00:56) / 0.4 MB "plate tectonics", plate, subduction, trench, earthquake, mantle, crust, basalt, "oceanic crust", pressure, magma, andesite, eruption, "volcanic chain", island, "island arc" Continental Margin Subduction 08:41 - 09:05 (00:24) / 0.3 MB "plate tectonics", subduction, "continental margin", continent, andesite, "volcanic chain", volcano, landscape, eruption, "divergent plate", magma, gas, basalt, viscosity Andesitic Lavas Cause Explosive Eruptions 08:40 - 09:34 (00:54) / 1.2 MB "James Sadd", eruption, "composite volcano", "lava flow", basalt, andesite, silica, temperature, viscosity, magma, gas, pressure, "volcanic ash", pumice Intrusive Igneous Rocks 30 minutes / n.a. magma, igneous, crystal, crust, granite, basalt, plutonic, volcano, intrusion, pluton, mineral, felsic, andesite, "plate tectonics" Crystals and Cooling 05:46 - 06:48 (01:02) / 1.4 MB "James Sadd", dike, andesite, magma, gneiss, heat, crystal, granite, rhyolite, phenocryst Oceanic and Continental Magmas 13:49 - 14:51 (01:02) / 1.0 MB magma, "plate tectonics", "sea floor", iron, magnesium, basalt, "Bowen's Reaction Series", subduction, silica, andesite, "South America", ocean, ridge, "Dee Trent" Convergent Plate Boundary Magma 14:51 - 16:24 (01:33) / 1.6 MB "convergent plate", andesite, diorite, magma, basalt, lithosphere, marine, sediment, serpentine, melting, crust, felsic, "Bowen's Reaction Series", "David Sigurdson" Other Plutonic Igneous Rocks 16:24 - 17:40 (01:16) / 1.5 MB continent, crust, mantle, subduction, andesite, diorite, "convergent plate", melting, upwelling, basalt, "lava flow", crust, felsic, viscosity, volcano, pluton, "David Sigurdson" Tectonic Clues 20:52 - 22:15 (01:23) / 1.4 MB erosion, "tectonic activity", batholith, plutonic, weathering, "Sierra Nevada", California, pluton, intrusion, mountain, andesite, "volcanic arc", ocean, crust, Andes, subduction, "James Sadd" 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/andesiteair_bubb.html Page Contact: InfoBank staff Page Last Modified: Tue Dec 16 06:28:06 PST 2008  (wcs)