Common metamorphic minerals as a function of pressure, temperature, and protolith composition*

protolith high P/low T medium P and T low P/high T

shale, mudstone (pelitic) paragonite, muscovite muscovite, paragonite muscovite

kyanite chlorite biotite

Mg-chloritoid biotite andalusite, sillimanite

Mg-carpholite chloritoid cordierite

jadeite garnet plagioclase

chlorite staurolite orthopyroxene

pyrope garnet andalusite, kyanite, sillimanite microcline, sanidine

talc plagioclase mullite

coesite alkali feldspar spinel

cordierite tridymite

orthopyroxene

limestone, dolostone, marl (calcareous) aragonite calcite wollastonite

magnesite dolomite grossular garnet

lawsonite tremolite diopside

zoisite diopside plagioclase

jadeite epidote, clinozoisite vesuvianite

talc grossular garnet clinozoisite

forsterite

brucite

talc

granite, granodiorite, arkose (felsic) jadeite plagioclase plagioclase

paragonite alkali feldspar alkali feldspar

muscovite sillimanite

biotite cordierite

garnet

sillimanite

basalt, andesite (mafic) glaucophane plagioclase plagioclase

lawsonite chlorite biotite

garnet biotite garnet

omphacite garnet hornblende

epidote epidote diopside

albite actinolite

chlorite hornblende

diopside

orthopyroxene

*Quartz may be present in all categories. Minor phases such as oxides and sulfides have been omitted.