Winnfield dome, Winn Parish, Louisiana, USA
|Latitude & Longitude (WGS84):||31° 55' 2'' North , 92° 42' 53'' West|
|Latitude & Longitude (decimal):||31.91734,-92.71492|
|Köppen climate type:||Cfa : Humid subtropical climate|
Quarry 4 miles west of Winnfield. Metallic minerals occurred in anhydrite caprock and were collected from a dump left from a shaft sunk down to the underlying salt dome.
22 valid minerals.
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
0 - 66 Ma
|Cenozoic sedimentary rocks|
Age: Cenozoic (0 - 66 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. 
0.0117 - 2.588 Ma
Age: Pleistocene (0.0117 - 2.588 Ma)
Comments: Surfaces generally show little dissection and are topographically higher than the Deweyville. Three levels are recognized:two along alluvial valleys, the lower coalescing with its broad coastwise expression;the third, still lower, found intermittently gulfward.
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.