State | Vermont |
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Name | Quartz schist and gneiss |
Geologic age | Middle Mesoproterozoic |
Lithologic constituents |
Major
Metamorphic > Schist > Quartz-feldspar-schistDark-tan- to rusty-tan-weathering, garnet-muscovite-biotite-quartz-plagioclase gneiss and rusty schist, locally containing abundant chloritized garnet.
Metamorphic > Metasedimentary > ParagneissDark-tan- to rusty-tan-weathering, garnet-muscovite-biotite-quartz-plagioclase gneiss and rusty schist, locally containing abundant chloritized garnet.
Minor
Metamorphic > Metasedimentary > Metaclastic > PhylliteLustrous yellowish-grayish-green phyllonitic retrograde varieties contain chloritoid-chlorite and relict garnet.
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References | |
NGMDB product | |
Counties | Addison - Bennington - Rutland - Windham - Windsor |