Crystal Mountain Sandstone
| Crystal Mountain Sandstone Stratigraphic range: Ordovician | |
|---|---|
| Type | Formation |
| Unit of | none |
| Sub-units | none |
| Underlies | Mazarn Shale |
| Overlies | Collier Shale |
| Thickness | 500 to 800 feet[1] |
| Lithology | |
| Primary | Sandstone |
| Location | |
| Region | Arkansas, Oklahoma |
| Country | United States |
| Type section | |
| Named for | Crystal Mountains, Montgomery County, Arkansas |
| Named by | Albert 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
References
- ↑ McFarland, John David (2004) [1998]. "Stratigraphic summary of Arkansas" (PDF). Arkansas Geological Commission Information Circular. 36: 18.
- 1 2 Purdue, A.H. (1909). Slates of Arkansas. Geological Survey of Arkansas. pp. 30, 32.
- 1 2 Purdue, A.H. (1909). "Structure and stratigraphy of the Ouachita Ordovician area (abstract)". Geological Society of America Bulletin. 19: 557.
- ↑ Griswold, I.S. (1892). "Whetstones and the novaculites". Annual Report of the Geological Survey of Arkansas for 1890. 3.
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