Q. The terms “veins and lodes” related to which of the following?

[A] Metamorphic rocks

[B] Sedimentary rocks

[C] Igneous rocks

[D] Both A & C

Answer: D
Notes:

Explanation: In igneous and metamorphic rocks minerals may occur in the cracks, crevices, faults or joints. The smaller occurrences are called veins and the larger are called lodes.

Source: NCERT

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