Granite ˈ ɡ r æ n ə t is a coarse-grained intrusive igneous rock composed mostly of quartz alkali feldspar and plagioclaseIt forms from magma with a high content of silica and alkali metal oxides that slowly cools and solidifies underground. It is common in the continental crust of Earth where it is found in igneous intrusionsThese range in size from dikes only a few. Layers Of The Earth Clip Art Geology Earth Science Color Blackline Earth Science Outer Core Geology
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