|
Home »
Geology Dictionary
Geological Terms Beginning With "Q"
For Terms Beginning With Other Letters Please Click Below
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.
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.
|
|
 | Volcanoes: All of our volcano articles and the best volcano information on the web. |
|
|
