Pinney Hollow Formation - amphibolite and greenstone member

Dark-green to black plagioclase-biotite-hornblende (±quartz) amphibolite, epidote amphibolite, and ankeritic-chlorite-magnetite-plagioclase (albite) greenstone. Shows all gradations from massive but well-foliated metabasalt to well-bedded basaltic volcaniclastic rock and volcanic metawacke. Cover rocks of Green Mountain anticlinorium.
State Vermont
Name Pinney Hollow Formation - amphibolite and greenstone member
Geologic age Cambrian and Neoproterozoic
Lithologic constituents
Major
Metamorphic > AmphiboliteDark-green to black plagioclase-biotite-hornblende (±quartz) amphibolite, epidote amphibolite.
Metamorphic > Metaigneous > GreenstoneAnkeritic-chlorite-magnetite-plagioclase (albite) greenstone.
References
NGMDB product
Counties Addison - Rutland - Washington - Windham - Windsor