Pinney Hollow Formation, Ottauquechee, and Stowe Formations, Undifferentiated (VTOCAu;0)

State	Vermont
Name	Pinney Hollow Formation, Ottauquechee, and Stowe Formations, Undifferentiated
Geologic age	Ordovician
Original map label	OCu
Comments	Part of Eastern Vermont Pinney Hollow Formation in the study area contains four major unnamed members: silvery green schist, greenstone, metagraywacke, and quartzose schist. Age according to map symbols is Proterozoic and Cambrian (Walsh, 1992) per VT014.
Primary rock type	mica schist
Secondary rock type	schist
Other rock types	amphibolite; quartzite
Lithologic constituents	Major Metamorphic > Schist > Mica-schistquartz-muscovite-garnet-chlorite-biotite schist, rusty carbonaceous schist, schistose quartzite. Schist locally contains porphyroblasts of staurolite and kyanite. Minor Metamorphic > Metasedimentary > Metaclastic > Quartziteschistose quartzite Metamorphic > Amphibolite
Map references	Nicholson, S.W., Dicken, C.L., Horton, J.D., Foose, M.P., Mueller, J.A.L., and Hon, Rudi, 2006, Preliminary integrated geologic map databases for the United States: Connecticut, Maine, Massachusetts, New Hampshire, New Jersey, Rhode Island, and Vermont: U.S. Geological Survey Open-File Report 2006-1272. [http://pubs.er.usgs.gov/publication/ofr20061272]
Unit references	Doll, C.G., Cady, W.M., Thompson, J.B., Jr., and Billings, M.P., 1961, Centennial Geologic Map of Vermont: Vermont Geological Survey, Miscellaneous Map MISCMAP-01, scale 1:250,000. Walsh, G.J., 1992, Bedrock geology of the Fayston-Buels Gore area, central Vermont: Vermont Geological Survey Special Bulletin, no. 13, 74 p., scale 1:24,000.
Geographic coverage	Windham - Windsor