Story, Montgomery Co., Arkansas, USA
|Latitude & Longitude (WGS84):||34° 41' 35'' North , 93° 31' 4'' West|
|Latitude & Longitude (decimal):||34.69306,-93.51778|
|Köppen climate type:||Cfa : Humid subtropical climate|
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.
Click on geological units on the map for more information. Click here to view full-screen map on Macrostrat.org
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. 
323.2 - 358.9 Ma
Age: Mississippian (323.2 - 358.9 Ma)
Stratigraphic Name: Stanley Shale
Comments: Black shale to slate alternating with sandstone, siltstone some chert and tuff. Approximatly 9500 ft. maximum thickness. Geosynclinal facies-composed mainly of alternating shales and sandstone including some tuffaceous beds (5600 ft.), and fossiliferous siliceous shale and graywacke.
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.