Which One of the Following Best Describes How Talc Deposits

question 31

Multiple Choice

Which one of the following best describes how talc deposits might form?

• A)dehydration of gypsum and limestone during contact metamorphism
• B)reaction of olivine and pyroxene with hydrothermal fluids during regional metamorphism
• C)reaction of hydrothermal fluids with quartz-rich sandstones during contact metamorphism
• D)high pressure metamorphism associated with impact of an asteroid or large meteorite

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