| Location: | Washington County, Missouri, United States, North America |
| Lat / long: | 38.12506, -91.04179 |
| dep_id: | 10090126 |
| mrds_id: | D008175 |
| Commodity type: | metallic and nonmetallic |
| Major mineral: | Iron |
| Minor mineral: | Phosphorus-Phosphates |
| Operation type: | Unknown |
| Production size: | Large ammount of material produced |
| Development status: | Producer |
| ore: | Apatite, Hematite, Magnetite |
| gangue: | Barite, Calcite, Fluorite, Pyrite, Quartz |
| orebody_fm: | CRET-SHAPED TABULAR MASS, LENTICULAR MASSES |
| work_type: | Unknown |
| model: | 158: Volcanic-hosted magnetite |
| alteration: | Sericite, 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. |
| Reporter: | Dulin, Lise, A. (Orris, Greta J.) |
| hrock_type: | Rhyolite |
| arock_type: | Diorite,Rhyolite |
| Structure: | A 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: | Ozark Uplift |
| Year first produced: | 1964 |
| disc_yr: | 1954 |
| discr: | St Joseph Lead Co. |
| References: |
- Deposit:: HAYES, W.C. AND GUILD P.W., 1967, IRON, MINERAL AND WATER RESOURCES OF MISSOURI, VOL XLIII, SECOND SERIES, P. 74-87
- Deposit:: MINERALS IN THE ECONOMY OF MISSOURI, 1979, BUREAU OF MINES, U.S. DEPARTMENT OF THE INTERIOR, P. 5-6
- Deposit:: WHARTON, H.M. AND OTHERS, DEC 1969, MISSOURI MINERALS, MISSOURI GEOLOGICAL SURVEY AND WATER RESOURCES, ROLLA, MISSOURI P. 51-57 AND P. 223-226.
- Deposit:: MERAMAC IRON ORE PROJECT STARTS PRODUCTION AT PEA RIDGE, ENGINEERING AND MINING JOURNAL, APRIL 1964 P. 93-108
- Deposit:: EMERY, J.A., GEOLOGY OF THE PEA RIDGE IRON ORE BODY, ORE DEPOSITS OF THE U.S., 1933-1967, VOL 1, P. 359-369.
- Production:: STATISTICAL REPORT, MISSOURI DEPARTMENT, DIVISION OF STANDARD INSPECTION LABOR MINES
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