Mine detail: Lucifer

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Location:	Baja California Sur, Mexico, North America
Lat / long:	27.3597, -112.38736
dep_id:	10048947
mrds_id:	MX00133
Commodity type:	metallic
Major mineral:	Manganese
Operation type:	Unknown
Production size:	Medium ammount of material produced
Development status:	Past Producer
ore:	Coronadite, Hollandite, Pyrolusite
gangue:	Hematite, Jasper, Limonite
orebody_fm:	MANTO
model:	97: Volcanogenic Mn
Reporter:	Leonard, Kenneth R., Staude, John-Mark G. (Page, Norman J.)
hrock_type:	Tuff
arock_unit:	Boleo Formation
arock_type:	Tuff
Structure:	Miocene Volcanics Have Been Tilted 20-45 Degrees E And Offset 50-100 M By A Series Of Normal Faults Trending Nw With 40-50 Sw Dips. Pliocene Sediments Took On Initial Dips Due To Irregular Miocene Surface, And Were Further Tilted By Lplio-Pleis Deformation. Average Dip Of Pliocene Sediments Is 5-10 Degrees E., Ore Body Offset By Several Small Faults, 8 M Max. Displacement. Subhorizontal Fault Plane Limits Top Of Ore Body Locally.
Year first produced:	1942
References:	Deposit:: GUILD, PHILIP W., 1981, PRELIMINARY METALLOGENIC MAP OF NORTH AMERICA: LISTING OF DEPOSITS: U.S. GEOLOGICAL SURVEY, GEOLOGICAL SURVEY CIRCULAR 858-B, 72 P.. Deposit:: SALAS, G.P., 1975, CARTA Y PROVINCIAS METALOGENETICAS DE LA REPUBLICA MEXICANA: CONSEJO DE RECURSOS MINERALES PUBLICACION 21 E, P. 187. Deposit:: WILSON, I.F., 1956, THE LUCIFER MANGANESE DEPOSITS, BAJA CALIFORNIA, MEXICO IN GONZALEZ R., J., (ED.), 1956, SYMPOSIUM SOBRE YACIMIENTOS DE MANGANESO, TOMO III: CONGRESO GEOLOGICO INTERNACIONAL, XX, MEXICO, 1956, P. 97-108. Deposit:: FREIBERG, D.A., 1982, A STUDY OF MANGANESE ORE COMPOSITION, LUCIFER MINE, BAJA CALIFORNIA, MEXICO (ABS.): GSA ABSTRACTS WITH PROGRAMS, V. 14, NO. 4, P. 163. Deposit:: TRASK, P.D. AND RODRIGUEZ C., J. JR., 1948, MANGANESE DEPOSITS OF MEXICO: U.S.G.S. BULLETIN 954-F, P. 228-238, 293-295, TABLE 17. Deposit:: COX, D.P., AND SINGER, D.A., 1986, MINERAL DEPOSIT MODELS: USGS BULLETIN 1693, 379 P. Production:: WILSON, 1956.