Cason_Shale

Cason Shale

Cason Shale

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The Cason Shale is a Late Ordovician to Middle Silurian geologic formation in the Ozark Plateaus of Arkansas.[1] The name was introduced in 1894 by Henry Shaler Williams in his study of Arkansas.[2] Williams designated a type locality at what was known as the Cason tract and mine, near Batesville, Independence County, Arkansas, however, he did not assign a stratotype. As of 2017, a reference section has not been designated for this unit.

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Paleofauna

Conodonts

See also

References

  1. [1]
    McFarland, John David (2004) [1998]. "Stratigraphic summary of Arkansas" (PDF). Arkansas Geological Commission Information Circular. 36: 7. Archived from the original (PDF) on 2016-12-21. Retrieved 2018-01-11.
  2. [2]
    Williams, Henry S. (1894). "On the age of the manganese beds of the Batesville region of Arkansas". The American Journal of Science. 3rd Series. 48: 325–331.
  3. [3]
    Craig, William (1968). The stratigraphy and conodont paleontology of Ordovician and Silurian strata, Batesville district, Independence and Izard counties, Arkansas (PhD). The University of Texas.


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