State | Vermont |
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Name | Pinnacle Formation - undivided |
Geologic age | Cambrian and Neoproterozoic |
Lithologic constituents | Major
Metamorphic > Metasedimentary > Metaclastic > PhylliteGray, foliated muscovite-chlorite-biotite-feldspar-quartz schist, phyllite, and metagraywacke. Quartz is commonly blue, and local thin conglomeratic horizons are present.
Metamorphic > Schist > Quartz-feldspar-schistGray, foliated muscovite-chlorite-biotite-feldspar-quartz schist, phyllite, and metagraywacke. Quartz is commonly blue, and local thin conglomeratic horizons are present.
Metamorphic > Metasedimentary > Metaclastic > Metasandstone > MetagraywackeGray, foliated muscovite-chlorite-biotite-feldspar-quartz schist, phyllite, and metagraywacke. Quartz is commonly blue, and local thin conglomeratic horizons are present.
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References | |
NGMDB product | |
Counties | Addison - Chittenden - Franklin - Lamoille |