In the amphibolite facies, what are the major minerals produced from shale parent?
A. Muscovite, biotite, garnet, quartz, plagioclase feldspar
B. Muscovite, chlorite, quartz, sodium-rich plagioclase feldspar
C. Garnet, silimanite, plagioclase feldspar, quartz
D. Garnet, sodium-rich pyroxene, quartz
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In the greenschist facies, what are the major minerals produced from shale parent?
A. Muscovite, biotite, garnet, quartz, plagioclase feldspar
B. Muscovite, chlorite, quartz, sodium-rich plagioclase feldspar
C. Garnet, silimanite, plagioclase feldspar, quartz
D. Garnet, sodium-rich pyroxene, quartz
Which of the following statement is the best description of breccia?
A. hard, nonfoliated rock resulting from contact metamorphism
B. composed of alternating bands of light and dark silicate minerals
C. loosely coherent rock composed of broken fragments that formed along a fault zone
D. calcite-rich, often nonfoliated
Which of the following statement is the best description of marble?
A. represents a metamorphic grade between slate and schist
B. very fine-grained and foliated with excellent rock cleavage
C. calcite-rich, often nonfoliated
D. loosely coherent rock composed of broken fragments that formed along a fault zone
Which of the following is the most appropriate description of the slaty cleavage?
A. shiny, planar alignment of mica to form a foliation
B. closely-spaced planar surfaces along which rocks split into thin, tabular slabs when hit with a hammer
C. a small number of very large crystals surrounded by the finer-grained rock
D. a banded foliation resulting from a segregation of minerals
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