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Aga Mine, Otto Mountain, Baker, San Bernardino Co., California, USA

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A former Au-Ag-Cu-Pb-Te mine located in sec. 26, T14N, R8E, SBM, about 1 mile NW of Baker. Formerly owned by Otto Fuetterer. MRDS database stated accuracy for this location is 10 meters.

Mineralization is a quartz vein Au deposit hosted in granite. Local rocks include Mesozoic granitic rocks, unit 3 (Sierra Nevada, Death Valley area, Northern Mojave Desert and Transverse Ranges).

Workings include surface and underground openings comprised of an adit and trenches.

Reportedly 2 truckloads of ore were shipped during the WWII period.

Mineral List



50 entries listed. 43 valid minerals. 8 (TL) - type locality of valid minerals. 3 erroneous literature entries.

The above list contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.

References

Wright, L.A., et al (1953), Mines and mineral resources of San Bernardino County, California: California Journal of Mines and Geology, California Division of Mines (Report 49): 49(1-2): tabulated list, No. 228, p. 71.

Goodwin, Joseph Grant (1957) Lead and zinc in California. California Journal of Mines and Geology, Division of Mines (Report 53): 53(3&4): 611.

Robert M. Housley (2005) Recent rare mineral finds in southern California and Nevada desert mines. Abstracts from the 2005 Desert Symposium. California State University, Desert Studies Consortium and LSA Associates, Inc.

Kampf, A. R., Mills, S. J., Housley, R. M., Marty, J. & Thorne, B. (2010) Lead-tellurium oxysalts from Otto Mountain near Baker, California: VI. Telluroperite, Pb3Te4+O4Cl2, the Te analogue of perite and nadorite. American Mineralogist, 95(10), 1569–1573.

Kampf, A. R., Mills, S. J., Housley, R. M., Marty, J. & Thorne, B. (2010) Lead-tellurium oxysalts from Otto Mountain near Baker, California: V. Timroseite, Pb2Cu2+5(Te6+O6)2(OH)2, and paratimroseite, Pb2Cu2+4(Te6+O6)2(H2O)2, new minerals with edge-sharing Cu-Te octahedral chains. American Mineralogist, 95(10), 1560–1568.

Kampf, A. R., Mills, S. J., Housley, R. M., Marty, J. & Thorne, B. (2010) Lead-tellurium oxysalts from Otto Mountain near Baker, California: IV. Markcooperite, Pb2(UO2)TeO6, the first natural uranyl tellurate. American Mineralogist, 95(10), 1554–1559.

Kampf, A. R., Housley, R. M., Mills, S. J., Marty, J. & Thorne, B. (2010) Lead-tellurium oxysalts from Otto Mountain near Baker, California: I. Ottoite, Pb2TeO5, a new mineral with chains of tellurate octahedra. American Mineralogist, 95(8-9), 1329–1336.

Marty, J., Kampf, A. R., Housley, R. M., Mills, S. J. & Weiß, S.. (2010). Seltene neue Tellurmineralien aus Kalifornien, Utah, Arizona und New Mexiko (USA). Lapis, 35 (12), 42-51; 66.

Kampf, A. R., Mills, S. J. & Housley, R. M. (2010) The crystal structure of munakataite, Pb2Cu2(Se4+O3)(SO4)(OH)4, from Otto Mountain, San Bernardino County, California, USA. Mineralogical Magazine, 74(6), 991–998.

Kampf, A.R., Mills, S.J., Housley, R.M., Marty, J. (2012) Agaite, IMA 2011-115. CNMNC Newsletter No. 13, June 2012, page 812; Mineralogical Magazine: 76: 807-817.

Kampf, A.R., Mills, S.J., Housley, R.M., Rossman, G.R., Marty, J. and Thorne, B. (2013) Eckhardite, IMA 2012-085. CNMNC Newsletter No. 16, August 2013, page 2696; Mineralogical Magazine: 77: 2695-2709.

Kampf, A.R., Mills, S.J., Housley, R.M., Marty, J. (2013): Lead-tellurium oxysalts from Otto Mountain near Baker, California: IX. Agaite, Pb3Cu2+Te6+O5(OH)2(CO3), a new mineral with CuO5-TeO6 polyhedral sheets. American Mineralogist, 98, 512–517

Mills, S.J., Kampf, A.R., Christy, A.G., Housley, R.M., Rossman, G.R., Reynolds, R.E., Marty, J. (2014): Bluebellite and mojaveite, two new minerals from the central Mojave Desert, California, USA. Mineralogical Magazine, 78, 1325-1340.

USGS (2005), Mineral Resources Data System (MRDS): U.S. Geological Survey, Reston, Virginia, loc. file ID #10034001 & 10262126.

U.S. Bureau of Mines, Minerals Availability System (MAS) file ID #0060710228.

Mineral and/or Locality  
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