Indian River Slate

Deep-maroon and bluish-green-weathering, well-bedded and variegated slate; contains minor centimeter-thick, white-weathering, red and bluish-black cherty layers characteristic of the Mount Merino Formation. Contains graptolites of the C. bicornis Biozone (Berry, 1961). Rocks of the Giddings Brook, Sunset Lake, and Bird Mountain slices. Part of the Taconic Allochthon.
State Vermont
Name Indian River Slate
Geologic age Upper Ordovician
Lithologic constituents
Major
Metamorphic > Metasedimentary > Metaclastic > SlateDeep-maroon and bluish-green-weathering, well-bedded and variegated slate.
Minor
Sedimentary > Chemical > Chert (Bed)Minor centimeter-thick, white-weathering, red and bluish-black cherty layers characteristic of the Mount Merino Formation.
References
NGMDB product
Counties Bennington - Rutland