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Crystal Mountain Sandstone

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Crystal Mountain Sandstone
Stratigraphic range: Ordovician
TypeFormation
Unit ofnone
Sub-unitsnone
UnderliesMazarn Shale
OverliesCollier Shale
Thickness500 to 800 feet[1]
Lithology
PrimarySandstone
Location
RegionArkansas, Oklahoma
CountryUnited States
Type section
Named forCrystal Mountains, Montgomery County, Arkansas
Named byAlbert Homer Purdue[2][3]

The Crystal Mountain Sandstone is an Ordovician geologic formation in the Ouachita Mountains of Arkansas and Oklahoma. This interval was first described in 1892,[4] but remained unnamed until 1909 as part of a study on the Ouachita Mountains of Arkansas by Albert Homer Purdue.[2][3]

See also

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References

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  1. ^ McFarland, John David (2004) [1998]. "Stratigraphic summary of Arkansas" (PDF). Arkansas Geological Commission Information Circular. 36: 18. Archived from the original (PDF) on 2016-12-21. Retrieved 2018-01-05.
  2. ^ a b Purdue, A.H. (1909). Slates of Arkansas. Geological Survey of Arkansas. pp. 30, 32.
  3. ^ a b Purdue, A.H. (1909). "Structure and stratigraphy of the Ouachita Ordovician area (abstract)" (PDF). Geological Society of America Bulletin. 19: 557. doi:10.1130/GSAB-19-513.
  4. ^ Griswold, I.S. (1892). "Whetstones and the novaculites". Annual Report of the Geological Survey of Arkansas for 1890. 3.