Commodities
PrimaryIron
Commodity typeM
Deposit
Deposit sizeU
WorkingsUnderground
Orebody formROUGHLY PEAR-SHAPED
Materials
Ore mineralsMagnetite
GangueApatite, Barite, Chalcopyrite, Feldspar, Fluorite, Quartz, Tourmaline
Geology
Host rockRhyolite
Associated rockRhyolite
StructureSt. Francois Mountains, Footwall Porphyry Dips About 17 Degrees Sw Without Any Marked Undulations. The Beds Above The Contact Are Conformable.
Tectonic settingSt. Francois Mountains
AlterationSericitization, Silification, Hematitized
Economic & production
Development statusProspect
First production1848
Discovery year1835
Identification
Deposit ID10072191
MRDS IDW016790
RegionNA
Data scoreC
Coordinates37.61923, -90.63344
References
CRANE, G.W., 1912 , THE IRON ORES OF MISSOURI: MISSOURI BUREAU OF MINES AND GEOLOGY, 2D SER., V. 10 , P. 121 - 131 .HAYES, W.C. AND GUILD, PHILIP W., 1967 , METALLIC MINERAL RESOURCES IN: MINERAL AND WATER RESOURCES OF MISSOURI, V. 43 , 2D SERIES, P. 82 - 83 .STEIDTMANN, E., 1933 , THE IRON DEPOSITS OF PILOT KNOB, MISSOURI: 16TH INT. GEOL. CONG. GUIDEBOOK 2 , P. 68 - 73 .WINSLOW, A., HAWORTH, E., NASON, F., 1894 , A REPORT ON THE IRON MOUNTAIN SHEET INCLUDING PORTIONS OF IRON, ST. FRANCOIS AND MADISON COUNTIES: MISSOURI GEOLOGICAL SURVEY, V. 9 , SHEET REPT. NO. 3 , P. 61 - 66 .US BUREAU OF MINES, 1978