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Geol 1403 Ch. 8: Metmorphism and Metamorphic Rocks Exam 100% Accurtae!! $15.49   Add to cart

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Geol 1403 Ch. 8: Metmorphism and Metamorphic Rocks Exam 100% Accurtae!!

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  • Geol 1403 Ch. 8: Metmorphism And Metamorphic Rocks

Metamorphism typically occurs ________. - ANSWERSdeep beneath Earth's surface The metamorphic grade refers to ________. - ANSWERSthe degree to which the parent rock changes during metamorphism How can a rock change during metamorphism? - ANSWERSMetamorphism can change the mineralogy, texture,...

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  • Geol 1403 Ch. 8: Metmorphism and Metamorphic Rocks
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Geol 1403 Ch. 8: Metmorphism and
Metamorphic Rocks Exam 100%
Accurtae!!

Metamorphism typically occurs ________. - ANSWERSdeep beneath Earth's surface



The metamorphic grade refers to ________. - ANSWERSthe degree to which the parent rock changes
during metamorphism



How can a rock change during metamorphism? - ANSWERSMetamorphism can change the mineralogy,
texture, and/or chemical composition of a rock.



What kinds of rocks can become metamorphic rocks? Choose all that apply. - ANSWERSmetamorphic
rocks

igneous rocks

sedimentary rocks



What is meant by the statement "Every metamorphic rock has a parent rock"? - ANSWERSAll
metamorphic rocks are created only through the change of preexisting rock.



During metamorphism, what is the major effect of chemically active fluids? - ANSWERSThey aid in the
movement of dissolved silicate constituents and facilitate growth of the mineral grains.



Which of the following best describes the effect of heat as a metamorphic agent? -
ANSWERSrecrystallization of mineral grains



The best clue for identifying the parent rock from which a metamorphic rock was derived is ________. -
ANSWERSthe chemical composition of the metamorphic rock

, What are the four agents that drive metamorphism? - ANSWERSdirectional stress, pressure, heat, and
chemically active fluids



Match the rock with the appropriate description.



Match the words in the left column to the appropriate blanks in the sentences on the right. Make certain
each sentence is complete before submitting your answer. - ANSWERS1. [Schist]

medium, coarse grained metamorphic rock in which platy minerals are dominant



2. [Marble]

nonfoliated metamorphic rock consisting mostly of calcite



3. [Gneiss]

coarse-grained, metamorphic rock with alternating bands of light and dark minerals



4. [Hornfels]

forms by contact metamorphism of mudstones and shales



What major change occurs during metamorphism of limestone to marble? - ANSWERSCalcite grains grow
larger and increase in size.



________ is typically formed by metamorphism of a sandstone. - ANSWERSQuartzite



________ forms from the metamorphism of limestone or dolostone. - ANSWERSMarble



What foliated, metamorphic rock is texturally intermediate between slate and schist? - ANSWERSphyllite



________ is characterized by the segregation of light- and dark-colored minerals into thin layers or
bands. - ANSWERSGranitic gneiss

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