Question

How r minerals formed in igneous and metamorphic rocks.. ​

Answer 1

In igneous and metamorphic rocks minerals may occur in the cracks, crevices, faults or joints. ... In most cases, they are formed when minerals in liquid/molten and gaseous forms are forced upward through cavities towards the earth's surface

Answer 2

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Igneous and metamorphic rocks are a form of molten magma.When an upward forces exerted on magma by the core of earth then it comes out from fault lines present at earth crust and form igneous rocks which having rich content of minerals. 

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