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Blueschist, as a rock type, is defined by the presence of the minerals glaucophane + ( lawsonite or epidote ) +/- jadeite +/- albite or chlorite +/- garnet +/- muscovite in a rock of roughly basaltic composition. Blue...
Dec 4, 2023 · Blueschist gets its name from its blue color and the fact that it undergoes high-pressure metamorphism. The term "schist" refers to a type of metamorphic rock characterized by the alignment of mineral gr...
BlueschistsBlueschists are a class of metamorphic rocks that recrystallize at depths of 10 to 30 kilometers or more in subduction zones. Blueschists are important because they contain minerals indicating that metamorp...
A schist whose bluish colour is due to the presence of alkali amphibole (often glaucophane, but also riebeckite or other amphiboles in the Sodium Amphibole Subgroup. Blueschists are generally high-pressure, relatively...
Blueschists are fine-to-medium-grained metamorphic rocks characterized by foliation and a mineral assemblage primarily consisting of glaucophane, white mica, quartz, and epidote or clinozoisite. They exhibit specific ...
Type Metamorphic Rock Texture Non-foliated to moderatly-foliated; Medium-grained Composition Glaucophane Index Minerals Glaucophane Color Metallic blue Miscellaneous Schistose texture Metamorphic Type Blueschist (subt...
What type of rock is blueschist?
