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Eagle Mountain Iron Mine (Eagle Mountain Iron deposit; Kaiser Steel Corp.), Monte Negro District (Eagle Mountain District), Eagle Mts, Riverside Co., California, USA

Calcite
Eagle Mountain Iron Mine, Monte Negro District, Eagle Mts, Riverside Co., California, USA

Photo: Rob Lavinsky
Latitude: 33°51'53"N
Longitude: 115°31'13"W
A former open pit Fe mine located in secs. 34, 35 & 36, T3S, R14E, SBM, in the Eagle Mountains.

Mineralization is a replacement deposit hosted in limestone and quartzite.

This large open pit mine used to provide iron ore to Kaiser Steel Corporation's smelter in Fontana, California. The pit is currently (2009) owned by Kaiser Ventures, of Ontario, California, who had wanted to use it as a trash dump which had been planned to receive 20,000 tons per day of Los Angeles City garbage for the next 117 years. Because of numerous objections from environmentalists, who feared the site's impact on neighboring Joshua Tree National Park, which surrounds the pit on three sides at a distance of 2.5 km, and also objections from neighboring jojoba farmers, the trash disposal plans have been held up in court for years. On November 12th, 2009, the ban on the trash disposal plan was upheld by the Ninth U.S. Circuit Court of Appeals.

Local structures include an East-West-trending anticline, and NW-striking faults.

Production data are found in: Dubois and Brummett (1968): 1596. (1-4) World Mining Developments 1979-1980: 417.

References

Harder, Edmund Cecil (1912), Iron-ore deposits of the Eagle Mountains, California: USGS Bulletin 503: 28, 54, 63.

Hadley, Jarvis Bardwell (1948), Iron-ore deposits in the eastern part of the Eagle Mountains, Riverside County, California: California Division Mines Bulletin 129: 4.

Powell, Kenneth B. (1953), How Eagle Mountain helps Kaiser supply growing steel needs: Mining Engineer: 5: 481.

Gay, T.E. (1957) Iron industries in California. California Division Mines Bulletin 176: 247.

Dubois, R.L. and R.W. Brummett (1968) Geology of the Eagle Mountain area. In Ore Deposits of the United States, 1933-1962. The Graton-Sales volume, New York. A.I.M.E.: 1596-1606.

Engineering and Mining Journal International Directory of Mining and Mineral Processing Operations (1978), New York: McGraw Hill Mining Information Services: 168.

Engineering and Mining Journal Operating Handbook of Surface Mining, Vol. 2 (1978), New York: McGraw-Hill Inc.: 314.

Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 60, 216, 247, 251, 328, 344, 387.

Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 72, 150, 161, 163, 367, 476.

Mineral List

'Allanite'
'Apatite'
Calcite
Epidote
Goethite
Hematite
Maghemite
Magnetite
Magnetite
var: Lodestone

Pyrite
'Pyroxene Group'
'Scapolite'
'Serpentine Group'
Titanite
Tremolite
Wollastonite


16 entries listed. 10 valid minerals.

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