Newport Group - Price Neck Formation

Fine-grained graded beds of feldspathic siltstone and sandstone, interstratified with carbonate conglomerate, and ash-flow and lapilli tuff; some units may be lahar deposits.
State Rhode Island
Name Newport Group - Price Neck Formation
Geologic age Late Proterozoic? or older?
Lithologic constituents
Major
Sedimentary > Clastic > Siltstone (Bed)
Sedimentary > Clastic > Sandstone (Bed)
Minor
Sedimentary > Clastic > Conglomerate (Bed, Carbonaceous)carbonate conglomerate
Incidental
Igneous > Volcanic (Volcaniclastic-lahar)ash-flow and lapilli tuff; some units may be lahar deposits
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