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Discussion :: Lithosphere

  1. The best representative of the acid igneous rocks is ________

  2. A.

     Basalt

    B.

     Granite

    C.

     Dolerite

    D.

     Gabbro

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    Answer : Option B

    Explanation :

    The best representative of the acid igneous rocks is Granite. A good example of intrusive igneous rock is granite. Acidic rocks are light in color and basic rocks are dark in color. (Persilicic is a little-used term equivalent to acidic as applied to igneous rocks). Among the volcanic rocks, rhyolite, obsidian, and acidic tuff are the predominant representatives; among the deep-seated rocks, granite and granodiorite are most common.


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