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Little Falls Formation

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Little Falls Formation
Stratigraphic range: Cambrian
Herkimer Diamond quartz in dolostone (Little Falls Formation, Upper Cambrian; Middleville, New York State, USA) (32526875254).jpg
Herkimer diamond quartz in dolostone (Little Falls Formation; Middleville, New York State)
Type Formation
OverliesProterozoic gneiss
Lithology
Primary dolomite
Other sandstone
Location
Region New York
CountryUnited States

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]

See also

References

  1. ↑ Herkimer Diamonds, MAGS Explorer, V. 2 No. 7, pp. 1-3, July 11, 2003
  2. 1 2 Muskatt, H.S., and Tollerton, V.P., Jr., 1992, The Little Falls Dolostone (Late Cambrian); stratigraphy and mineralogy, IN April, R.H., ed., Field trip guidebook: New York State Geological Association Guidebook, 64th annual meeting, Hamilton, NY, September 18–20, 1992, no. 64, p. 200-215 as quoted in GEOLEX, USGS


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