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Unit 2 Ch 5 : Minerals and Energy Resources — Social Studies STD 10 — Question

CBSE BoardEnglish MediumSTD 10Social StudiesUnit 2 Ch 5 : Minerals and Energy Resources3 Marks
Question
How are minerals formed in igneous and metamorphic rocks?
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Answer

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. In most cases, they are formed when minerals in liquid/ molten and gaseous forms are forced upward through cavities towards the earth's surface.

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