Little Falls Formation
Geologic formation
From Wikipedia, the free encyclopedia
The Little Falls Formation or Little Falls Dolostone is a geologic formation in New York. The unit is of Cambrian age and rests unconformably on Precambrian rock. The unit is noted as the host for the Herkimer diamonds of New York.[1][2] The unit contains stromatolites and rare brachiopod fossils.[2]
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| Little Falls Formation | |
|---|---|
| Stratigraphic range: Cambrian | |
Herkimer diamond quartz in dolostone (Little Falls Formation; Middleville, New York State) | |
| Type | Formation |
| Overlies | Proterozoic gneiss |
| Lithology | |
| Primary | dolomite |
| Other | sandstone |
| Location | |
| Region | New York |
| Country | United States |
