Mine detail: San Francisco

Location:	Sonora, Mexico, North America
Lat / long:	28.41691, -110.33397
dep_id:	10023540
mrds_id:	I000639
Commodity type:	nonmetallic
Major mineral:	Graphite
Operation type:	Unknown
Deposit type:	Contact Metamorphic
Production size:	Production occurred
Development status:	Producer
gangue:	Coal
model:	69: Amorphous graphite
Reporter:	Carbonaro, Marguerite M. (Orris, Greta J.)
hrock_unit:	Barranca Formation
hrock_type:	Sandstone
arock_type:	Plutonic Rock,Granite
References:	Deposit:: GRIFFITHS, JOYCE, 1988, MEXIC* INDUSTRIAL MINERALS MEETING MANAN* CHALLENGE: INDUSTRIAL MINERALS, NO. 250, P. 19-41. Deposit:: HARBEN, P.W., AND BATES, R.L., 1990, GRAPHITE, IN INDUSTRIAL MINERALS GEOLOGY AND WORLD DEPOSITS: LONDON, INDUSTRIAL MINERALS DIVISION METAL BULLETIN PLC, P. 122-129. Deposit:: GONZALEZ S., J.R., 1985, RECURSOS MINERALES NO METALICOS Y ROCAS INDUSTRIALES DEL ESTADO DE SONORA: HERMOSILLO, SONORA, DIRECCION DE MINERIA, GEOLOGIA Y ENERGETICOS, 44 P. Other Database:: CIMRI Production:: GRIFFITHS, 1988.