State | Vermont |
---|---|
Name | Washington Gneiss |
Geologic age | Middle Mesoproterozoic |
Lithologic constituents |
Major
Metamorphic > SchistDark-rusty-grayish-brown-weathering, graphitic garnet-plagioclase-biotite-quartz (±sillimanite) schist; rusty-weathering blue-quartz-ribbed quartz schist.
Minor
Metamorphic > Metasedimentary > Calc-silicate-rockRusty-weathering layers of sulfidic calc-silicate rock.
Metamorphic > Metasedimentary > Metaclastic > QuartziteGarnet quartzite.
|
References | |
NGMDB product | |
Counties | Bennington - Windham |