Nieman Quarry, Stephenson Co., Illinois, USA
| Latitude & Longitude (WGS84): | 42° 16' 41'' North , 89° 33' 31'' West |
|---|---|
| Latitude & Longitude (decimal): | 42.27814,-89.55885 |
| Köppen climate type: | Dfa : Hot-summer humid continental climate |
REF:Deposit:: ILL. GEOL. SURVEY PRINTOUT, WEEKS LIST
Deposit:: MINERAL INDUSTRIES ESTABLISHMENTS IN ILLINOIS. U.S. BUREAU
Deposit:: OF MINES, 1-8-79.
Deposit:: RCF LIST 10/81
Commodities (Major) - Stone - Crushed/Broken
Development Status: Past Producer
Commodity List
This is a list of exploitable or exploited mineral commodities recorded at this locality.No minerals currently recorded for this locality.
Regional Geology
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
| Katian - Sandbian 445.2 - 458.4 Ma ID: 2950000 | Galena Group (Trenton Limestone) Age: Late Ordovician (445.2 - 458.4 Ma) Stratigraphic Name: Spechts Ferry Shale; Millbrig Kbentonite Bed; Guttenberg Dolomite Description: Galena Group (Trenton Limestone), includes Decorah, Dunleith, Wise Lake and Dubuque Formations in northern Illinois. Comments: Thickness from stratigraphic column for northern Illinois (north of 40 degrees north latitude), from oldest to youngest: Decorah Fm (0-25’), Dunleith Fm (0-135’), Wise Lake Fm (0-80’), and Dubuque Fm (0-40’). Unit is listed as the Galena - "Trenton" Group on the stratigraphic column for northern Illinois (north of 40 degrees north latitude). The Decorah Formation is comprised, from oldest to youngest, of the Spechts Ferry Shale, Millbrig K-bentonite Bed, and Guttenberg Dolomite according to the stratigraphic column on the back of the geologic map. Lithology: Major:{dolostone,limestone}, Minor:{bentonite} 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. [133] |
Data and map coding provided by Macrostrat.org, used under Creative Commons Attribution 4.0 License
