Cram Hill Formation - granofels member

Dark-medium-gray biotite-plagioclase-quartz granofels and grayish-green chlorite-plagioclase-quartz granofels; contains thin layers of ankerite-epidote greenstone, ankerite-spotted feldspathic granofels, and coticule. Locally hornblende rich at higher metamorphic grade. Part of the metasedimentary host rocks of the North River Igneous Suite. Cram Hill Formation: western part of the Cram Hill Formation is in part correlative with Whetstone Hill Member of the Moretown Formation. Rocks of the Early to Late Taconic Accreted Terrane of the Rowe-Hawley Zone. Eastern allochthonous sequence, oceanic and accretionary realm, ultramafic inclusions, volcanic-arc intrusives, and volcanic rocks.
State Vermont
Name Cram Hill Formation - granofels member
Geologic age Middle? and Early Ordovician
Lithologic constituents
Major
Metamorphic > Granoblastic > GranofelsDark-medium-gray biotite-plagioclase-quartz granofels and grayish-green chlorite-plagioclase-quartz granofels; contains thin layers of ankerite-spotted feldspathic granofels, and coticule.
Minor
Metamorphic > Metaigneous > GreenstoneContains thin layers of ankerite-epidote greenstone.
References
NGMDB product
Counties Orange - Washington - Windsor