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The mineral most abundantly present in the igneous rocks is __________

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The mineral most abundantly present in the igneous rocks is __________

(a) Micas

(b) Titanium

(c) Iron

(d) Felspars

This question was addressed to me in unit test.

This intriguing question originated from Igneous Rocks in division The Study of Rocks of Engineering Geology

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Right choice is (d) Felspars

Explanation: In terms of the mineralogical composition, Felspars are the most common minerals of igneous rocks. Even amphiboles, pyroxenes and quartz are present to some extent. Others are present only in subordinate amounts.

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