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Which of the following is one of the main mineral constituents of the continental mass of the earth?
Bronze
Copper
Silica
Gypsum
- Option 1: Bronze
- Bronze is an alloy, not a mineral. It is made from copper and tin.
- Option 2: Copper
- Copper is a mineral, but it's not a main constituent of the continental mass.
- Option 3: Silica
- Silica, primarily in the form of quartz, is a main mineral in the earth’s continental crust.
- It forms a significant part of granite, sand, and many other rocks.
- Option 4: Gypsum
- Gypsum is a mineral present in the Earth's crust, but not one of the primary ones in the continental mass.
- Correct Answer: Silica
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