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USGS CMG InfoBank Geology School: trench

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Title Comment Keywords
Geologic Glossary n.a. / n.a. geologic term, glossary, ablation, absolute age, alluvial fan, amphibole, annual snowline, Archaean Eon, ash, asthenosphere, basalt, Basin and Range province, boulder, breccia, calcite, cave, cave system, Cenozoic Era, chemical weathering, cinder, cinder cone, clast, clay, cobble, conglomerate, continental collision, continental drift, convergent plate boundary, core, craton, crust, daughter product, desert pavement, dike, divergent plate boundary, dune, earthquake, 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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