Consider the following statements regarding metamorphic rocks:<br>1. Ortho-metamorphic rocks are formed from igneous rocks.<br>2. Intense heat of the intruding magmas results in metamorphism of the surrounding rocks, a process known as dynamic metamorphism.<br>Which of the statements given above is/are <strong>CORRECT</strong>?
- A. 1 only ✓
- B. 2 only
- C. Both 1 and 2
- D. Neither 1 nor 2
Correct Answer: A. 1 only
Explanation
Statement 1 is correct; ortho-metamorphic rocks derive from igneous rocks (while para-metamorphic derive from sedimentary). Statement 2 is incorrect because metamorphism driven by the intense heat of intruding magma is called contact (or thermal) metamorphism, not dynamic metamorphism.
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