Mazarn Shale

Mazarn Shale
Stratigraphic range: Ordovician
Type Formation
Unit of none
Sub-units none
Underlies Blakely Sandstone
Overlies Crystal Mountain Sandstone
Thickness 1000 to 2500+ feet[1]
Lithology
Primary Shale
Location
Region Arkansas, Oklahoma
Country United States
Type section
Named for Mazarn Creek, Montgomery County, Arkansas
Named by Hugh Dinsmore Miser[2]

The Mazarn Shale is an Early Ordovician geologic formation in the Ouachita Mountains of Arkansas and Oklahoma. This interval was first described in 1892,[3] but remained unnamed until 1918 as part of a study by U.S. Geological Survey geologist Hugh Dinsmore Miser.[2]

Paleofauna

Graptolites

See also

References

  1. ↑ McFarland, John David (2004) [1998]. "Stratigraphic summary of Arkansas" (PDF). Arkansas Geological Commission Information Circular. 36: 18.
  2. 1 2 Miser, H.D. (1918). "Manganese deposits of the Caddo Gap and De Queen quadrangles, Arkansas". U.S. Geological Survey Bulletin. 660-C: 68.
  3. ↑ Griswold, I.S. (1892). "Whetstones and the novaculites". Annual Report of the Geological Survey of Arkansas for 1890. 3.
  4. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 Miser, Hugh D.; Purdue, A.H. (1929). "Geology of the De Queen and Caddo Gap quadrangles, Arkansas". U.S. Geological Survey Bulletin. 808: 27-28.
  5. 1 2 Pitt, William D.; Cohoon, Richard R.; Lee, Harry C.; Robb, Marion G; Watson, John (January 1961). "Ouachita Mountain core area, Montgomery County, Arkansas". Bulletin of the American Association of Petroleum Geologists. 45 (1): 79–80. Retrieved 8 January 2018.
This article is issued from Wikipedia. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.