QuestionJune 24, 2025

Which of the following is a high-grade metamorphic rock? quartzite slate gneiss schist

Which of the following is a high-grade metamorphic rock? quartzite slate gneiss schist
Which of the following is a high-grade metamorphic rock?
quartzite
slate
gneiss
schist

Solution
4.1(143 votes)

Answer

Gneiss Explanation 1. Identify Metamorphic Grades High-grade metamorphic rocks form under high temperature and pressure conditions. 2. Classify Each Rock - Quartzite: Formed from sandstone, typically low to medium grade. - Slate: Low-grade, formed from shale. - Gneiss: High-grade, characterized by banding. - Schist: Medium to high-grade, but not as high as gneiss.

Explanation

1. Identify Metamorphic Grades<br /> High-grade metamorphic rocks form under high temperature and pressure conditions.<br /><br />2. Classify Each Rock<br /> - Quartzite: Formed from sandstone, typically low to medium grade.<br /> - Slate: Low-grade, formed from shale.<br /> - Gneiss: High-grade, characterized by banding.<br /> - Schist: Medium to high-grade, but not as high as gneiss.
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