Sulphur Mountain, Montgomery Co., Arkansas, USA
|Latitude & Longitude (WGS84):||34° 22' 6'' North , 93° 48' 50'' West|
|Latitude & Longitude (decimal):||34.36834,-93.81416|
|Köppen climate type:||Cfa : Humid subtropical climate|
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Mineral ListMineral list contains entries from the region specified including sub-localities
1 valid mineral.
This geological map and associated information on rock units at or nearby to the coordinates given for this locality is based on relatively small scale geological maps provided by various national Geological Surveys. This does not necessarily represent the complete geology at this locality but it gives a background for the region in which it is found.
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252.17 - 541 Ma
|Paleozoic sedimentary rocks|
Age: Paleozoic (252.17 - 541 Ma)
Lithology: Sedimentary rocks
Reference: Chorlton, L.B. Generalized geology of the world: bedrock domains and major faults in GIS format: a small-scale world geology map with an extended geological attribute database. doi: 10.4095/223767. Geological Survey of Canada, Open File 5529. 
|Mississippian - Late Devonian|
323.2 - 382.7 Ma
Age: Paleozoic (323.2 - 382.7 Ma)
Stratigraphic Name: Arkansas Novaculite
Comments: Upper division -massive calcarous novaculite; middle division -dence dark novaculite interbedded with shale; and lower division-massive white nonaculite. Approximatly 950 ft. maximum thickness. This area is the type occurrence for novaculite. Novaculite refers to a dense cryptocrystalline siliceous sediment similar to chert but characterized by dominance of microcrystalline quartz over chalcedony- distinquished by polygonal triple-point texture.
Reference: Horton, J.D., C.A. San Juan, and D.B. Stoeser. The State Geologic Map Compilation (SGMC) geodatabase of the conterminous United States. doi: 10.3133/ds1052. U.S. Geological Survey Data Series 1052. 
Localities in this Region
- Montgomery Co.
- Sulphur Mountain
- Montgomery Co.