Commodities
PrimaryLead
SecondaryCopper, Nickel, Cobalt
Commodity typeM
Deposit
Deposit sizeM
WorkingsSurface/Underground
Orebody formSTRINGS, SHEETS
Ore controlOpen-Space Fillings
Materials
Ore mineralsChalcopyrite, Galena
GangueCalcite, Pyrite, Pyrrhotite
Geology
Host rockDolomite · Bonneterre
StructureOzark Dome, St. Francois Mountains, Simms Mountain Fault, Big River Fault, Farmington Anticline, Strata Are Horizontal, But Locally Dips Of 10 Degree Are Present
Tectonic settingFaulted Reef Structure Around St. Francois Igneous Dome
Economic & production
Development statusPast Producer
First production1821
Identification
Deposit ID10072179
MRDS IDW016737
Alternate namesLagrave Mines, Desloge Mine Pratt Mines, Pen
RegionNA
Data scoreB
Coordinates37.922, -90.54844
References
WINSLOW, ARTHUR, 1894 , LEAD AND ZINC DEPOSITS, MO. GEOL. SURV., V. 7 , P. 660 - 667KIILSGAARD, T.H., HAYES, W.C., HEYL, A.V., 1967 , METALLIC MINERAL RESOURCES, IN: MINERAL AND WATER RESOURCES OF MISSOURI, V. 43 , 2ND SER., P. 41 - 97 .TARR, W.A., 1936 , ORIGIN OF THE SOUTHEAST MISSOURI LEAD DEPOSITS, ECON. GEOL., V. 31 , P. 712 - 754 , 832 - 966 .OHLE, E.L. AND BROWN, J.S., 1954 , GEOLOGIC PROBLEMS IN THE SOUTHEAST MISSOURI LEAD DISTRICT, GEOL. SOC. AM. BULL., V. 65 , NO. 3 , P. 201 - 221 .5) SNYDER, FRANK G. AND GERDEMANN, PAUL E., 1968 , GEOLOGY OF THE SOUTHEAST MISSOURI LEAD DISTRICT IN: RIDGE, J.D., ORE DEPOSITS OF THE UNITED STATES, 1933 - 1967 (GRATON-SALES VOLUME): NEW YORK, AM. INST. MINING, METALL. PETROLEUM ENGINEERS, V. 1 , P. 326 - 358 .WINSLOW, ARTHUR, 1894 , LEAD AND ZINC DEPOSITS, MO. GEOL. SURV. V. 7 .