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Geological Terms Beginning With "Q"



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Quarry:

A surface mine usually for the extraction of construction stone.

Quartz:

One of the most abundant minerals in the earth's crust. Has a chemical composition of SiO2 and a hardness of seven. One of the index minerals in Moh's Hardness Scale. Occurs in sedimentary, metamorphic and igneous rocks.

Quartz Arenite:

A sandstone consisting of at least 95% quartz.

Quartzite:

A metamorphic rock formed by the alteration of sandstone by heat, pressure and chemical activity. Picture of Quartzite.

Quartzose:

An adjective used in reference to a rock that is composted primarily of quartz.

Quicksand:

A bed of sand that has a high water content. The water within the sand is often flowing through the spaces between the sand grains. This creates a soft, fluid-like material that yields easily to pressure and in which heavy objects will sink.

Quicksilver:

A nickname for the element mercury.

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