Caspian Mine, Caspian, Menominee iron range, Iron Co., Michigan, USA
|Latitude & Longitude (WGS84):||46° 4' 8'' North , 88° 37' 32'' West|
|Latitude & Longitude (decimal):||46.0688888889, -88.6255555556|
An iron mine worked from 1903 through 1937 by the Verona Iron Mining Co., shipping 6.6 million tons of ore from three shafts and five levels to 539 feet depth. The property description is NE Sec. 1 T42N-R35W, which is 160 acres between N46º3'56", N46º4'22", W88º37'0", and W88º37'37".
Mineral ListMineral list contains entries from the region specified including sub-localities
8 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
1600 - 2500 Ma
|Paint River Group; Lower part|
Age: Proterozoic (1600 - 2500 Ma)
Stratigraphic Name: Paint River Group
Comments: Continental margin assemblage (north of Niagara Fault). This unit is labeled "Xpl" on paper map of Sims (1992) but was changed to "Xpi" in digital file of Cannon et al. (1997). Description here is the same description as used for "Xpl" on paper map. Reference: James and others, 1968, Geology and ore deposits of the Iron River-Crystal Falls district, Iron County, Michigan: U.S. Geological Survey Professional Paper 570, 134 p.
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
James, H. L., Wier, K. L. (1969) "Geology and Magnetic Data for Southeastern Iron River Area, Michigan", Geological Survey Division of the Department of Natural Resources, State of Michigan, Lansing.
REF:Deposit:: JAMES, H.L., DUTTON, C.E., PETTIJOHN, F.J., WIER, K.L., 1968, GEOLOGY AND ORE DEPOSITS OF THE IRON RIVER, CRYSTAL FALLS DISTRICT, IRON COUNTY, MICHIGAN. WASHINGTON, U.S. GOVT. PRINTING OFFICE, 1968. PP. 45-56, 88-110.
Deposit:: JAMES, H L, AND WIER, K L, 1969, MICH GEO SURV R.I.6, PLATE
Deposit:: 2, P. 17-18.
Deposit:: SHAFT #3 IS POINT OF REFERENCE; SHAFTS 1 & 2 APPROX 400 TO
Deposit:: 500M SE
Deposit:: LAKE SUPERIOR IRON ORES, MINING DIRECTORY AND STATISTICAL RE
Deposit:: PUBLISHED BY THE LAKE SUPERIOR IRON ORE ASSOCIATION, 1952, P
Deposit:: LAKE SUPERIOR
Commodities (Major) - Iron
Deposit Type: Secondary Enrichment
Development Status: Past Producer
Deposit Model: 241: Superior Fe (BC name is Lake Superior & Rapitan types iron-formation)
Host Rock: Iron Formation