METAMORPHIC FACIES


THE IDEA OF METAMORPHIC ZONES CAN BE EXTENDED TO THE CONCEPT OF METAMORPHIC FACIES, I.E. , THE ASSEMBLAGES OF MINERALS THAT FORM DURING METAMORPHISM BELONG TO THE SAME METAMORPHIC FACIES.

IMAGINE INTERBEDDED SHALES AND BASALTS....

FACIESBASALTSHALE
GRANULITEPYROX., PLAG., GAR., BIOT., K-SPAR, QTZ., SILLIMANITE
AMPHIBOLITEAMPH., PLAG., GAR., QTZ GAR., BIO., MUSC., KY OR SILLIMANITE, QTZ
EPIDOTE- AMPHIBOLITEAMPH., EPID., PLAG., GAR., GAR., CHLORITE, MUSC., BIO., QTZ
GREENSCHISTCHL., AMPH., PLAG., EPI. CHL., MUSC., PLAG., QTZ
BLUESHISTBLUE-AMPH., CHL., BLUE-AMPH., CHL., QTZ., MUSC
ECLOGITEPROX (JADEITE), GAR.,KYANITE NOT APPLICABLE
HORNFELSPYROX., PLAG ANDALUSITE, BIO., K-SPAR, QTZ
ZEOLITECALCITE, CHL., ZEOLITE ZEOLITE, NA-MICA, PYROPHYLLITE


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© 1997, W.K. Fletcher
Department of Earth and Ocean Sciences The University of British Columbia
http://www.science.ubc.ca/geol100/fletcher/met_facies.htm