State | Rhode Island |
---|---|
Name | Raritan Formation |
Geologic age | Cretaceous |
Lithologic constituents | Major
Unconsolidated > Fine-detrital > ClayRed, white, gray, and black clay. Black clay contains lignite fragments and pyrite and siderite nodules.
Unconsolidated > Coarse-detrital > Sandpoorly lithified white sand
|
Comments | Part of Avalon Terrane |
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 | Washington |