According to Wegener's hypothesis that continents are moving today, what supercontinent apparently broke up about 200 million years ago?
A. Gondwanaland
B. Harryhessland
C. Wegenerea
D. Pangaea
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Alfred Wegener, who first proposed the plate tectonics was a brilliant interdisciplinary scientist. He advanced the theory of continental drift in 1912.
A. True
B. False
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
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
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