Winslow Formation

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Winslow Formation
Stratigraphic range: Carboniferous: Pennsylvanian
Type Formation
Location
Region Arkansas
Country United States
Type section
Named for Winslow, Washington County, Arkansas
Named byGeorge Irving Adams and Edward Oscar Ulrich [1]

The Winslow Formation was a geologic formation in Arkansas, now abandoned and replaced by the Atoka Formation, the Hartshorne Formation, and the lower McAlester Formation (previously Spadra Shale [2] ). [3] [4] It preserves fossils dating back to the Carboniferous period.

See also

References

  1. ↑ Adams, G.I.; Ulrich, E.O. (1904). "Zinc and lead deposits of northern Arkansas". U.S. Geological Survey Professional Paper. 24 (7): 29. Bibcode:1904JG.....12..663.. doi: 10.1086/621186 .
  2. ↑ Hendricks, T.A.; Parks, B. (1950). "Geology of the Fort Smith District". U.S. Geological Survey Professional Paper. 221-E. doi: 10.3133/pp221E .
  3. ↑ Collier, A.J. (1907). "The Arkansas coal field". U.S. Geological Survey Bulletin. 326.
  4. ↑ Purdue, A.H. (1909). Slates of Arkansas. Geological Survey of Arkansas.


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