Geological Terms Beginning With "Q"
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A surface mine usually for the extraction of construction stone.
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.
A sandstone consisting of at least 95% quartz.
A metamorphic rock formed by the alteration of sandstone by heat, pressure and chemical activity. Picture of Quartzite.
An adjective used in reference to a rock that is composted primarily of quartz.
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.
A nickname for the element mercury.
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|Minerals: Information about ore minerals, gem materials and rock-forming minerals.|