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Migmatite gneiss with pseudotachylite, from the Rocky Mountains of Colorado.

Migmatite gneiss with pseudotachylite, from the Rocky Mountains of Colorado. Photo by Vince Cronin.


Metamorphic Rocks Home Page

Click on the underlined links in the tables below to view a specimen photograph.

Metamorphic Rocks

amphibolite marble phyllite schist
gneiss metabreccia quartzite schist
gneiss metabreccia quartzite serpentinite
marble phyllite schist slate

Minerals commonly associated with metamorphic rocks

amphibole chlorite muscovite sillimanite
antigorite chrysotile alkalai feldspar staurolite
biotite garnet plagioclase feldspar talc
calcite kyanite quartz


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