Q:
What Is the Texture of Granite?
A:
Quick Answer
Granite has a coarse to very coarse grained texture. It is typically granular and can be porphyritic with well-shaped large crystals of feldspar. Its structure contains cavities wherein well-formed crystals project.
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Full Answer
Some granites are foliated. Granite also tends to have coarse intergrowths of feldspars and quartz that form a graphic texture. It has colorless grains, and it is mottled in white, red, pink, grey or dark grains. It is classified as acid plutonic igneous rock, and it commonly occurs in batholiths. Most granites comprise a combination of glassy quartz, small amounts of dark minerals, white, red or pink alkali feldspar and sodic plagioclase.
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Q:
Which Igneous Rocks Are Coarse Grained Due to Slow Cooling?
A: Granite and basalt are excellent examples of coarsely grained igneous rocks. The coarseness of such igneous rocks is a result of magma becoming trapped ben... Full Answer >Filed Under: -
Q:
Where in the World Is Granite Found?
A: Granite makes up a portion of the Earth's crust, and exists in virtually all land areas around the world. Granite forms the middle layer of the Earth's cor... Full Answer >Filed Under: -
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How Does Granite Change Into Sandstone?
A: Granite changes into sandstone by means of weathering and erosion. Through the passage of time, fragments of granite are broken down into smaller pieces, o... Full Answer >Filed Under: -
Q:
Is Granite a Metamorphic Rock?
A: Granite is an igneous rock, not a metamorphic rock. It is the most predominant type of igneous rock on the surface of the earth. Full Answer >Filed Under:
