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Blueschist

Sat, 01/13/2007 - 00:04 — Jon
Blueschist
  • Location:
  • Date Taken (dd-mm-yy): 16-03-2003

A blueschist. These are formed by high pressure, low temperature metamorphism and are commonly associated with subduction zones. The blue colour is caused by the mineral glaucophane.

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This work is licensed under a Creative Commons Attribution-No Derivative Works 2.5 License.