Cuttingsville stock - andesite breccia (VTKab;0)

Cuttingsville stock - andesite breccia

Andesite breccia containing xenoliths of Mesoproterozoic gneiss and autoclasts of felsic alkalic and fine-grained mafic rocks. Part of the White Mountain Igneous Suite; Cuttingsville stock - Composite stock and intrusive breccia dikes consisting of augite and hastingsite syenite, nepheline and sodalite syenite, essexite, and monzodiorite. Associated dikes of monchiquite, camptonite, bostonite, and spessartite. Average of five K-Ar ages 101 Ma; ages range between 103±4 and 99±2 Ma (Armstrong and Stump, 1971).

State	Vermont
Name	Cuttingsville stock - andesite breccia
Geologic age	Early Cretaceous
Lithologic constituents	Major Igneous > Volcanic > Mafic-volcanic > Andesite (Volcaniclastic-volcanic breccia, Stock or pipe)Andesite breccia containing xenoliths of Mesoproterozoic gneiss and autoclasts of felsic alkalic and fine-grained mafic rocks.
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	Rutland

Cuttingsville stock - andesite breccia

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.