State | Rhode Island |
---|---|
Name | mica schist |
Geologic age | Late Proterozoic? or older? |
Lithologic constituents |
Major
Metamorphic > Schist > Mica-schistGray to green, fine-grained, thinly bedded schist consisting of muscovite, biotite, chlorite, and quartz.
Incidental
Metamorphic > Amphibolite
Metamorphic > Metasedimentary > Metaclastic > Quartzite
Metamorphic > Metasedimentary > Metacarbonate > Marble
|
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 | Bristol - Newport |