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Which of the following is NOT true? As compared to arkose, quartz sandstone ________.

A: Contains more feldspar
B: Contains more quartz
C: Is less resistant to weathering
D: Is typically finer-grained

1 Answer

7 votes

Final answer:

The incorrect statement about the comparison between arkose and quartz sandstone is D: Is typically finer-grained. Quartz sandstone is not typically finer-grained than arkose; instead, it has a higher quartz content and is more resistant to weathering.

Step-by-step explanation:

The student's question asks for an incorrect statement regarding the difference between arkose and quartz sandstone. To answer the student's question:

A: Contains more feldspar - This statement is incorrect because arkose contains more feldspar compared to quartz sandstone, not the other way around.

B: Contains more quartz - Arkose does indeed have more feldspar and less quartz, so quartz sandstone contains more quartz, making this statement true.

C: Is less resistant to weathering - Quartz sandstone is more resistant to weathering than arkose due to the high quartz content, so this statement is true.

D: Is typically finer-grained - Quartz sandstone is typically not finer-grained than arkose; therefore, this statement is false and is the correct answer to the question because it does not accurately describe a comparison between arkose and quartz sandstone.

User Christopher Long
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