Mount Merino Formation

Light-gray, powdery-weathering, and red, green, and dark-gray, thinly bedded siliceous argillite and mudstone distinguished from the Indian River Slate by abundance of cherty siliceous layers. Rocks of the Giddings Brook, Sunset Lake, and Bird Mountain slices. Part of the Taconic Allochthon.
State Vermont
Name Mount Merino Formation
Geologic age Upper Ordovician
Lithologic constituents
Major
Metamorphic > Metasedimentary > Metaclastic > ArgilliteLight-gray, powdery-weathering, and red, green, and dark-gray, thinly bedded siliceous argillite and mudstone.
Sedimentary > Clastic > Mudstone (Bed)Light-gray, powdery-weathering, and red, green, and dark-gray, thinly bedded siliceous argillite and mudstone.
Minor
Sedimentary > Chemical > ChertCherty siliceous layers.
References
NGMDB product
Counties Rutland