Test 3.DOC - MINE2200 – Test No 3 – Metamorphism Time Mass Wasting Time Limit = 12 minutes 1 Circle the type or setting of metamorphism that occurs

Test 3.DOC - MINE2200 – Test No 3 – Metamorphism Time...

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MINE2200 Test No. 3 Metamorphism, Time & Mass Wasting Time Limit = 12 minutes 1. Circle the type or setting of metamorphism that occurs in the core of a mountain belt during mountain building, where rocks are subjected to elevated directed pressures and temperatures. contact metamorphism regional meta. hydrothermal meta. thermal meta. 2. Circle the single physical difference between slaty cleavage and schistosity. a) slaty cleavage is characterized by compositional layering; schistosity is not b) slaty cleavage is finer grained than schistosity c) slaty cleavage is coarser grained than schistosity d) slaty cleavage is defined by randomly oriented grains; schistosity is defined by parallelism of grains e) slaty cleavage has porphyroblasts; schistosity does not 3. Identify the parent rock type of a quartzite. .............................................................................................................................................................................. 4. In the last lecture on sedimentary rocks, we examined salt domes. Salt domes form by the upward plastic flow of low-density salt overlain by higher-density sedimentary rocks such as sandstone and limestone. Circle the principle of relative dating that could be used to determine the age of the salt relative to its surrounding rocks.
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