Pinney Hollow Formation - metafelsite member

White to pale-green, laminated to massive epidote-calcite-muscovite-quartz-albite metarhyolitic gneiss or schist; is a volcanic or volcaniclastic rock. U-Pb zircon age of 571±5 Ma, no. 21 (Walsh and Aleinikoff, 1999). Contains purplish-gray feldspathic quartzite. Cover rocks of Green Mountain anticlinorium.
State Vermont
Name Pinney Hollow Formation - metafelsite member
Geologic age Cambrian and Neoproterozoic
Lithologic constituents
Major
Metamorphic > Schist > Quartz-feldspar-schistWhite to pale-green, laminated to massive epidote-calcite-muscovite-quartz-albite metarhyolitic gneiss or schist; is a volcanic or volcaniclastic rock.
Metamorphic > Metaigneous > OrthogneissWhite to pale-green, laminated to massive epidote-calcite-muscovite-quartz-albite metarhyolitic gneiss or schist; is a volcanic or volcaniclastic rock.
Minor
Metamorphic > Metasedimentary > Metaclastic > QuartziteContains purplish-gray feldspathic quartzite.
References
NGMDB product
Counties Windsor