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The occurrence of quartz in high amounts makes a rock
Answer & Solution
Correct Answer:
Option
A
The occurrence of quartz in high amounts makes a rock Acidic.
Rocks are referred to as acidic if they contain more than 20% of free quartz. It is based on the idea that high silica rocks are acidic whereas the rocks with low silica content are basic.
Typical acidic rocks are granite or rhyolite.
Rocks are referred to as acidic if they contain more than 20% of free quartz. It is based on the idea that high silica rocks are acidic whereas the rocks with low silica content are basic.
Typical acidic rocks are granite or rhyolite.
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