NameBlueschist
TextureNon-foliated to moderatly-foliated; Medium-grained
CompositionGlaucophane
Index MineralsGlaucophane
ColorMetallic blue
MiscellaneousSchistose texture
Metamorphic TypeBlueschist (subtype of Regional)
Metamorphic GradeHigh P - Low T
Parent RockBasalt and Seafloor sediments
Metamorphic EnvironmentAlong subduction zones at convergent plate boundaries

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