Mica Schist

Some articles on mica, schists, mica schist, schist:

Schist - Formation
... may both be converted into a grey or pink mica-schist ... it is possible to distinguish between sedimentary and igneous schists and gneisses ... The schists are classified principally according to the minerals they consist of and on their chemical composition ...
Geologic Units - Archean - South Pass Greenstone Belt Metasedimentary and Metaigneous Rocks
... dominated by gray to dark brown feldspathic and biotitic metagreywacke, and mica schist ... Greenstone is predominantly greenstone, greenschist, and amphibolite, but also includes mica schist, hornblende-mica schist, and metabasalt, accompanied by minor metagreywacke, metatuff ... A broad zone of carbonated breccias and intensely folded schists, representing a major break in the geologic record, is found at the top of the formation ...
Geology Of The Iberian Peninsula - Betics
... At its base is mica schist, with some gneiss and migmatite formed from sediments older than the Permian ... Above this is a bluish grey schist from the Permain, and the next layer is carbonate from the Middle to Late Triassic ... Above this is a black mica schist, and the top layers are a brown coloured metapelite and a quartzite ...