exam1-solution - 1 What is the name given to a felsic...

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1. What is the name given to a felsic plutonic rock? a. diorite b. granite c. gabbro d. andesite e. rhyolite
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2. Two minerals likely to be present in the rock named above (in question one) include: a. olivine, calcite b. amphibole, plagioclase, c. quartz, potassium feldspar d. pyroxene, calcium-rich plagioclase
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3. Which of the following is NOT a clastic (detrital) sedimentary rock: a. shale b. sandstone c. calcite d. conglomerate
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4. Which of the following is NOT an organic sedimentary rock: a. coal b. coquina c. fossiliferous limestone d. conglomerate e. calcarenite
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5. Which of the following describes an igneous rock with a two- stage cooling history? a. conglomerate b. clastic c. porphyritic d. organic
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6. You would recognize such a rock: a. by the presence of angular fragments of a variety of sizes. b. by its glassy texture. c. by the presence of large crystals in a fine-grained ground mass. d. because though crystalline, all grains are too fine to see without magnification.
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7. The boiling point of water is lower at higher elevations.
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