Deposit ID | 10077593 |
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MRDS ID | W025295 |
Record type | Site |
Current site name | Iron Mountain Mine |
Related records | 10189961 |
Geographic coordinates: | -122.52777, 40.67541 (WGS84) |
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Elevation | 945 |
Relative position | 17 MI NORTHWEST OF REDDING |
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Country | State | County |
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United States | California | Shasta |
Meridian | Township | Range | Section | Fraction | State |
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Mount Diablo | 033N | 006W | 34,35 | California |
Commodity | Importance |
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Copper | Primary |
Zinc | Primary |
Iron | Secondary |
Gold | Secondary |
Silver | Secondary |
Platinum | Secondary |
Materials | Type of material |
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Antlerite | Ore |
Chalcocite | Ore |
Chalcopyrite | Ore |
Covellite | Ore |
Galena | Ore |
Greenockite | Ore |
Hematite | Ore |
Ilmenite | Ore |
Magnetite | Ore |
Malachite | Ore |
Pyrite | Ore |
Pyrrhotite | Ore |
Sphalerite | Ore |
Sulfur | Ore |
Calcite | Gangue |
Quartz | Gangue |
Model code | 184 |
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USGS model code | 28a |
Deposit model name | Massive sulfide, kuroko |
Mark3 model number | 93 |
Host or associated | Associated | ||||||
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Rock type | Sedimentary Rock > Clastic Sedimentary Rock > Shale | ||||||
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Host or associated | Host |
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Rock type | Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Rhyolite |
Rock unit name | Balaklala Rhyolite |
Rock description | Balaklala Rhyolite |
(1) | -122.52777, 40.67541 |
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Type | Description | Terms |
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Regional | Folds | |
Local | Major Post-Mineral Faults Are Scott, Camden, And J Faults; The Camden Also Had Premineral Movement. Scott Fault Zone Is 3-5 Ft Wide With Many Anastomosing Slickensides And Dark-Gray To White Gouge. Scott Is A Normal Fault, Dipping 50ne, With 250 Ft Dip-Slip Displacement. Camden Fault Zone Is 50 Ft Wide At 2,600 Ft Level. |
Name of the ore body | HORNET |
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General form | LENTICULAR |
Dip | }}} |
Thickness | 60.96M |
Width | 60.96M |
Length | 381M |
Name of the ore body | MATTIE |
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General form | LENTICULAR |
Dip | }}} |
Thickness | 53.34M |
Width | 45.72M |
Length | 114.3M |
Name of the ore body | RICHMOND |
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General form | LENTICULAR |
Dip | }}} |
Thickness | 60.96M |
Width | 121.92M |
Length | 411.48M |
Name of the ore body | BRICK FLAT |
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General form | LENTICULAR |
Dip | }}} |
Thickness | 30.48M |
Width | 121.92M |
Length | 335.28M |
Development status | Past Producer |
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Commodity type | Metallic |
Deposit size | Large |
Significant | No |
Discovery year | 1865 |
Year of first production | 1897 |
Year of last production | 1962 |
Production years | 1897-1919, 1925, 1928-1930, 1943-1947 |
District name | West Shasta Copper-Zinc District |
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Ownership category | Private |
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Type | Owner |
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Owner | Iron Mountain Mines, Inc. |
First year | 1985 |
Year | 1947 | |||||||||||||||||||||||||||||||||||
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Period | 1897-1947 | |||||||||||||||||||||||||||||||||||
Material | CU | |||||||||||||||||||||||||||||||||||
Accuracy | Accurate | |||||||||||||||||||||||||||||||||||
Description | Cp_Grade: ^3.5% Zn, 2% Cu, 1 Oz/Ton Ag, 0.02 Oz/Ton Au | |||||||||||||||||||||||||||||||||||
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Year | 1947 | |||||||||||||||||||||||||||||||||||
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Period | 1897-1947 | |||||||||||||||||||||||||||||||||||
Material | CU | |||||||||||||||||||||||||||||||||||
Accuracy | Accurate | |||||||||||||||||||||||||||||||||||
Description | Cp_Grade: ^2-5% Zn, 7.5% Cu, 1 Oz/Ton Ag, 0.04 Oz/Ton Au | |||||||||||||||||||||||||||||||||||
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Year | 1947 | ||||||||||||||||||||||||||||
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Period | 1897-1947 | ||||||||||||||||||||||||||||
Material | CU | ||||||||||||||||||||||||||||
Accuracy | Accurate | ||||||||||||||||||||||||||||
Description | Cp_Grade: ^3.5% Cu, 0.04 Oz/Ton Ag, 0.001 Oz/Ton Au | ||||||||||||||||||||||||||||
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Agency | Database name | Acronym | Record ID | Notes |
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USGS | Mineral Resources Data System | MRDS | W025295 | |
U.S. Bureau of Mines | Minerals Availability System | MAS | 0608900368 |
KINKEL, A.R., HALL, W.E., AND ALBERS, J.P., 1956, GEOLOGY AND BASE-METAL DEPOSITS OF WEST SHASTA COPPER-ZINC DISTRICT, SHASTA COUNTY, CALIFORNIA: U.S. GEOLOGICAL SURVEY PROFESSIONAL PAPER 285, P. 117-129.
EILERS, A., 1913, RARE METALS IN BLISTER COPPER: AMERICAN INSTITUTE OF MINING ENGINEERS TRANSACTIONS, V. 47, P. 217-218.
NOTES PROVIDED FOR SOCIETY OF ECONOMIC GEOLOGISTS KLAMATH MOUNTAINS FIELD TRIP, OCTOBER 7-13, 1984.
KINKEL, A.R., AND ALBERS, J.P., 1951, GEOLOGY OF THE MASSIVE SULFIDE DEPOSITS AT IRON MOUNTAIN, SHASTA COUNTY, CALIFORNIA: CALIFORNIA DIVISION OF MINES SPECIAL REPORT 14, 19 P.
CALIFORNIA GEOLOGY, 1986, MINERAL INDUSTRY OF CALIFORNIA, 1985: CALIFORNIA GEOLOGY, V. 39, P. 93.
KINKEL AND OTHERS, 1956, P. 118; SEG FIELD TRIP NOTES
SEG FIELD TRIP NOTES
Subject category | Comment text |
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Deposit | MASSIVE SULFIDE IS MOST ABUNDANT, DISSEMINATED CHALCOPYRITE AND QUARTZ-CHALCOPYRITE VEINS IN SCHCISTOSE ROCKS ARE LESS ABUNDANT. THERE ARE 8 MASSIVE SULFIDE BODIES IN MINE AREA; DIMENSIONS ARE FOR THE BRICK FLAT, RICHMOND, HORNET, AND MATTIE ORE BODIES ONLY. OVERALL DEPOSIT LENGTH FOR THESE ORE BODIES IS 3500 FT. |
Type | Date | Name | Affiliation | Comment |
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Reporter | 01-APR-1978 | Fraticelli, L. A. (Albers, J.) | U.S. Geological Survey | |
Updater | 01-SEP-1993 | Peterson, Jocelyn A. (Mosier, Dan) | U.S. Geological Survey | ADDED SUBSTANTIAL DEPOSIT DESCRIPTION INFORMATION |