State | Rhode Island |
---|---|
Name | Conanicut Group - Jamestown Formation |
Geologic age | Cambro-Ordovician |
Lithologic constituents | Major
Sedimentary > Clastic > Siltstone (Bed)Green to black phyllite interstratified with buff to pink siltstone; trilobite-bearing.
Metamorphic > Metasedimentary > Metaclastic > PhylliteGreen to black phyllite interstratified with buff to pink siltstone; trilobite-bearing.
|
Comments | Part of Esmond-Dedham Subterrane (East Bay Area) |
References | Hermes, O.D. (comp.), Gromet, L.P. (comp.), Murray, D.P. (comp.), Hamidzada, N.A., Skehan, J.W., and Mosher, S., 1994, Bedrock geologic map of Rhode Island: Rhode Island Map Series No. 1, Kingston, Rhode Island, scale 1:100,000. |
NGMDB product | |
Counties | Newport |