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USGS CMG InfoBank Geology School: trench

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Title Comment Keywords
No Evidence For An Expanding Earth 12:56 - 13:54 (00:58) / 0.7 MB "Harry H. Hess", "sea floor spreading", "mid-oceanic ridge", Earth, crust, trench, subduction, "Alfred Wegener", data, geopoetry, paleomagnetism
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"
Push and Pull of Plates 16:10 - 17:34 (01:24) / 0.7 MB "Gary Ernst", lithosphere, "plate tectonics", trench, "mid-oceanic ridge", modeling, asthenosphere, plate
Orogeny at the Edge of Continents 09:29 - 10:36 (01:07) / 1.3 MB sediment, orogeny, lithosphere, continent, "convergent plate", pressure, subduction, volcano, "island arc", "continental margin", trench, uplift, heat, melting, "metamorphic rock", crust, "igneous rock", granite
Seaward Jump of Subduction Zone 14:37 - 15:08 (00:31) / 0.5 MB subduction, metamorphism, "igneous rock", continent, collision, seamount, island, trench, "convergent plate"
Geology School Keywords
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URL: http://walrus.wr.usgs.gov/infobank/programs/html/school/keypage/trenchs_.html
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Page Last Modified: Thu Oct 31 04:24:52 PDT 2013  (chd)