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Geol 101 Retest - volcanism o Subduction Zones • What...

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Geol 101 Retest Number 2 08/11/2007 13:42:00 Most (87%) knew that brittle deformation cause rocks to break Comparatively few (43%) knew that earthquakes are an example of brittle  deformation Can you give a geologic example of ductile deformation? Earthquakes Many (84%) were not familiar with extrusive/intrusive igneous rock type pairs: Intrusive – Granite, Diorite, Gabbro Extrusive – Rhyolite, Andesite, Basalt Many (60%) are still thrown by questions that tie into plate tectonics: What plate tectonic setting is most likely associated with explosive 
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Unformatted text preview: volcanism? o Subduction Zones • What phenomena characterize zones of continental collision? ← Retest : ← The first formed mineral igneous magmas cool are: • Usually the first minerals to disappear due to chemical weathering ← Which rock forming mineral(s) would not be likely to weather to a clay mineral? • Halite and Quartz ← Sand is • Clastic sediment smaller than gravel 08/11/2007 13:42:00 ← 08/11/2007 13:42:00 ←...
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