Description
St Joseph Lead Co.
Commodities
PrimaryIron
SecondaryPhosphorus-Phosphates
Commodity typeB
Deposit
Model158: Volcanic-hosted magnetite
Deposit sizeL
WorkingsUnknown
Orebody formCRET-SHAPED TABULAR MASS, LENTICULAR MASSES
Materials
Ore mineralsApatite, Hematite, Magnetite
GangueBarite, Calcite, Fluorite, Pyrite, Quartz
Geology
Host rockRhyolite
Associated rockDiorite,Rhyolite
StructureA Major Fault Striking N 80 Deg W And Dipping 45 Deg Ne, 2 Sets Of Magic Dikes, One Striking N 60 Deg E And The Other N 85 Deg E, Aplitic Dikes N 25 Deg W
Tectonic settingOzark Uplift
AlterationSericite, When Found, Occupies The Position Normally Occupied By Quartz. It Appears That Late-Stage Hydrothermal Activity With Excess Available Oxygen Could Explain The Genesis Of The Massive Hematite.
Economic & production
Development statusProducer
First production1964
Discovery year1954
Identification
Deposit ID10090126
MRDS IDD008175
Alternate namesSullivan
RegionNA
Data scoreB
Coordinates38.12676, -91.04652
References
HAYES, W.C. AND GUILD P.W., 1967, IRON, MINERAL AND WATER RESOURCES OF MISSOURI, VOL XLIII, SECOND SERIES, P. 74-87MINERALS IN THE ECONOMY OF MISSOURI, 1979, BUREAU OF MINES, U.S. DEPARTMENT OF THE INTERIOR, P. 5-6WHARTON, H.M. AND OTHERS, DEC 1969, MISSOURI MINERALS, MISSOURI GEOLOGICAL SURVEY AND WATER RESOURCES, ROLLA, MISSOURI P. 51-57 AND P. 223-226.MERAMAC IRON ORE PROJECT STARTS PRODUCTION AT PEA RIDGE, ENGINEERING AND MINING JOURNAL, APRIL 1964 P. 93-108EMERY, J.A., GEOLOGY OF THE PEA RIDGE IRON ORE BODY, ORE DEPOSITS OF THE U.S., 1933-1967, VOL 1, P. 359-369.STATISTICAL REPORT, MISSOURI DEPARTMENT, DIVISION OF STANDARD INSPECTION LABOR MINES