Commodities
PrimaryCopper, Gold
Commodity typeM
Materials
Ore mineralsBornite, Chalcopyrite, Covellite, Gold, Pyrite
GangueQuartz
Geology
Host rockGreenstone · Choyal Formation
Associated rockGranite
Economic & production
Development statusPast Producer
First production1890
Last production1917
Identification
Deposit ID10049295
MRDS IDMX00575
Alternate namesEsperanza
RegionNA
Data scoreC
Coordinates28.3616, -115.24133
References
WISSER, E., 1954, GEOLOGY AND ORE DEPOSITS OF BAJA CALIFORNIA, MEXICO: ECONOMIC GEOLOGY, V. 49, NO. 1, P. 44-76.KILMER, F.H., 1984, GEOLOGY OF CEDROS ISLAND, BAJA CALIFORNIA, MEXICO: ARCATA, CA, FRANK H. KILMER, 69 P., 1 MAP, SCALE 1:75000. (PRINTED AT HUMBOLDT STATE UNIVERSITY)