blueschist facies


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Related to blueschist facies: Amphibolite Facies, sanidinite, Metabasites

blueschist facies

[′blü‚shist ′fā‚shēz]
(petrology)
High-pressure, low-temperature metamorphism associated with subduction zones which produces a broad mineral association including glaucophane, actinolite, jadeite, aegirine, lawsonite, and pumpellyite.