Calc-silicate rock

Heterogeneous unit consists of dark-green hornblende-diopside rock or pale-green diopside rock; hornblende-calcite-diopside knotted rock; and rusty-weathering, beige scapolite-quartz-plagioclase gneiss, tremolite-phlogopite schist, and diopside quartzite. Part of the aluminous schists and gneisses of the Washington Gneiss and Wilcox Formation and related rocks. Mount Holly Complex paragneiss. Rocks of the Green Mountain and Lincoln Mountain massifs and eastern domes.
State Vermont
Name Calc-silicate rock
Geologic age Middle Mesoproterozoic
Lithologic constituents
Major
Metamorphic > Metasedimentary > Calc-silicate-rockHeterogeneous unit consists of dark-green hornblende-diopside rock or pale-green diopside rock; hornblende-calcite-diopside knotted rock.
Minor
Metamorphic > SchistTremolite-phlogopite schist.
Metamorphic > GneissRusty-weathering, beige scapolite-quartz-plagioclase gneiss.
Metamorphic > Metasedimentary > Metaclastic > QuartziteDiopside quartzite.
References
NGMDB product
Counties Addison - Bennington - Rutland - Windham - Windsor