Marble and Quartzite Are Nonfoliated Rocks Because ________

question 29

Multiple Choice

Marble and quartzite are nonfoliated rocks because ________.

• A)they are never found beneath fault zones or collisional mountain ranges
• B)both are dominated by minerals that produce equant grains
• C)both are dominated by minerals with crystalline structures that cannot be dissolved
• D)dynamothermal metamorphism can break down the structures of their constituent minerals,but neither of these minerals is stable in that metamorphic environment

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