Question

what is the porosity of igneous rock?
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Answer 1

Answer: primary

Explanation: Because they are generally formed at depth and their crystals are interlocking. in fractures, it comes under secondary porosity.

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Answer 2

Answer:

Igneous or metamorphic rocks have the lowest primary porosity because they commonly form at depth and have interlocking crystals. Most of their porosity comes in the form of secondary porosity in fractures.