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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.
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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 |
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Counties |
Addison - Orange - Washington - Windham - Windsor
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