Billy the Blueschist
By: Astha Singh
Type of rock
Blueschist is a type of metamorphic rock.
Composition
Blueschist is made up of metamorphosed Glaucophane, which is also it's index mineral.
Texture
Blueschist is a non-foliated/moderately-foliated and medium-grained, solid rock. It is smooth to the touch.
Origin
Blueschist forms by the metamorphism of basalt, and other similar rocks, at high pressures and low temperatures. Forming at a depth of 10-20 miles and about 400 to -900 degrees Fahrenheit.
place in rock cycle
Blueschist forms in regional metamorphism. It is formed when rising magma cools.
Practical uses
Blueschist is used in architecture, such as: floor tiles, homes, hotels, and kitchens.
references
References
Alden, A. (n.d.). Metamorphic Rock Types. Retrieved January 8, 2016, from About Education website: http://geology.about.com/od/rocks/ig/metrockindex/rocpicblueschist.htm
Blueschist. (n.d.). Retrieved January 8, 2016, from Metamorphic Rock website: http://core.ecu.edu/geology/harper/Metamorphic/display_new.cfm?ID=14
BLUESCHIST #1. (2000, October 25). Retrieved January 2, 2016, from Meta website: http://csmres.jmu.edu/geollab/Fichter/MetaRx/Rocks/Blueschist1.html
Blueschist Uses. (n.d.). Retrieved January 8, 2016, from compare rocks website: http://www.comparerocks.com/en/blueschist-uses/model-134-7