Moretown Formation - amphibolite and greenstone member (VTOma;0)

Moretown Formation - amphibolite and greenstone member

Includes light-pale-green chloritic ankeritic greenstone; black, and fine-grained hornblende-plagioclase (±garnet±epidote) amphibolite. Part of the metasedimentary host rocks of the North River Igneous Suite. 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	Moretown Formation - amphibolite and greenstone member
Geologic age	Lower Ordovician to Cambrian?
Lithologic constituents	Major Metamorphic > AmphiboliteFine-grained hornblende-plagioclase (±garnet±epidote) amphibolite. Metamorphic > Metaigneous > GreenstoneIncludes light-pale-green chloritic ankeritic greenstone.
References	Ratcliffe, N.M., Stanley, R.S., Gale., M.H., Thompson, P.J., and Walsh, G.J., 2011, Bedrock geologic map of Vermont: U.S. Geological Survey Scientific Investigations Map 3184, 3 sheets, scale 1:100,000. https://pubs.er.usgs.gov/publication/sim3184
NGMDB product	NGMDB product page for 96860
Counties	Addison - Orange - Washington - Windham - Windsor

Moretown Formation - amphibolite and greenstone member

Ratcliffe, N.M., Stanley, R.S., Gale., M.H., Thompson, P.J., and Walsh, G.J., 2011, Bedrock geologic map of Vermont: U.S. Geological Survey Scientific Investigations Map 3184, 3 sheets, scale 1:100,000.