New Mexico · Sierra County
Producer
El Oro Mine 1880's
Sierra County, New Mexico, United States
Gold
Silver
Copper
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USGS source ↗
Commodities
Primary
Gold, Silver, Copper
Commodity type
M
Deposit
Deposit size
S
Workings
Surface/Underground
Orebody form
PINCH AND SWELL
Ore control
Mineralized Solutions Rising From A Shallow Igneous Mass Were Channeled Along Fault Zones And Localized In Fissure Fractures.
Materials
Ore minerals
Chalcopyrite, Gold, Malachite
Gangue
Calcite, Quartz
Geology
Host rock
Andesite
Associated rock
Monzonite
Structure
Monzonite Porphyry Southwest Of Mine. Shear Zone Strikes N 50 E.
Alteration
Propylitized Andesite Near Latite Dikes.
Economic & production
Development status
Producer
First production
1885
Last production
1951
Discovery year
1885
Identification
Deposit ID
10107961
MRDS ID
D006801
Region
NA
Data score
B
Coordinates
32.98205, -107.51727
References
HARLEY, G.T., 1934 NMBMMR BULL 10, P. 125-142, P. 160-163HEDLUND, D.C., 1977 USGS MAP MF-900-BNMBMMR GENERAL FILE DATAG.T. HARLEY, 1934 P. 141