Humboldt, Richardson Co., Nebraska, USA
|Latitude & Longitude (WGS84):||40° 10' North , 95° 57' West|
|Latitude & Longitude (decimal):||40.16667,-95.95000|
|Köppen climate type:||Dfa : Hot-summer humid continental climate|
along Nemaha River
Mineral ListMineral list contains entries from the region specified including sub-localities
4 valid minerals.
Rock Types Recorded
Rock list contains entries from the region specified including sub-localities
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Entries shown in red are rocks recorded for this region.
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
298.9 - 323.2 Ma
Age: Pennsylvanian (298.9 - 323.2 Ma)
Stratigraphic Name: Wabaunsee Group
Description: Shale, sandstone, and interbedded limestone. Shale is light gray to dark gray, greenish gray, red, or black; contains very thin layers of siltstone; locally very fossiliferous, carbonaceous. Sandstone is brownish gray to yellowish gray, or gray, argillaceous , and micaceous. Limestone is dark gray to medium gray, yellowish gray, thin bedded to thick bedded; very fossiliferous. Contains coal beds less than 1 ft. thick. Approx. max thickness 300 ft
Comments: Includes in decending order: Wood Siding Formation, Root Shale, Stotler Limestone, Pillsbury Shale, Zeandale Limestone, Willard Shale, Emporia Limestone, Auburn Shale, Wakarusa Limestone, Solider Creek Shale, Burlingame Limestone, Scronton Shale, Howard Limestone, and Severy Shale.
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
- Richardson Co.
- Richardson Co.