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Question
________ are materials that are good indicators of the metamorphic environment in which they formed and can be used to distinguish between various zones of metamorphism.A) Index fossils
B) Index minerals
C) Blueschists
D) Aureoles
Answer
This answer is hidden. It contains 1 characters.
Related questions
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B) Paleozoic
C) Mesozoic
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What does "-zoic" in the eras of the geologic time scale refer to?
A) Life
B) Water
C) Rock
D) Fossilization
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Which era are we currently in?
A) Mesozoic
B) Precambrian
C) Paleozoic
D) Cenozoic
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What is the effective maximum range for carbon-14 dating?
A) 100,000 years
B) 70,000 years
C) 10,000 years
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What is the half-life of potassium-40?
A) 1.3 billion years
B) 704 million years
C) 14.1 billion years
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A) Kaolinite
B) Staurolite
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Generally speaking, how does the chemical composition of most metamorphic rocks compare to that of the parent rock?
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B) In order to be a metamorphic rock, the chemical composition must change by 50 percent.
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Which of the following rocks represents the highest grade of metamorphism?
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B) Quartzite
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Which of the following is the parent rock of quartzite?
A) Limestone
B) Conglomerate
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A) 0 km
B) 30 km
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