New Mexico · Rio Arriba County
Past Producer

Eureka Mine

Rio Arriba County, New Mexico, United States
SilverCopper
⌖ Show on mapUSGS source ↗
Commodities
PrimarySilver, Copper
Commodity typeM
Deposit
Deposit typeStratiform
Deposit sizeS
WorkingsUnderground
Orebody formLENSE
Ore controlMineralization Replaced Fossil Wood And Carbonaceous Trash In Permeable Zones.
Materials
Ore mineralsBornite, Chalcocite, Chrysocolla, Covellite, Malachite
GangueQuartz
Geology
Host rockSandstone · Chinle Formation;Agua Zarca Sandstone Member
Economic & production
Development statusPast Producer
First production1885
Last production1956
Discovery year1885
Identification
Deposit ID10014234
MRDS IDD010912
Alternate namesEureka Group: Claims Patented In 1926, Conglomerate Nos. 1 and 2Eureka, Nacimiento Mountains District
RegionNA
Data scoreB
Coordinates36.00726, -106.85643
References
LINDGREN, W., GRATON, L.C., AND GORDON, C.H., 1910, ORE DEPOSITS OF NEW MEXICO: USGS PP 68, P. 144-146.SOULE J.H., 1956, RECONAISSANCE OF THE 'RED BED' COPPER DEPOSTS IN SOUTHEASTERN COLORADO AND NEW MEXICO: USBM I.C. 7740, P. 43, 44, 46.BINGLER, E.C., 1968, GEOLOGY AND MINERAL RESOURCES OF RIO ARRIBA COUNTY, NEW MEXICO: NMBM BULL. 91, P. 95, 98-100.WOODWARD, L.A., KAUFMAN, W.H., SCHUMACHER, O.L., AND TALBOTT, L.W., 1974, STRATABOUND COPPER DEPOSITS IN TRIASSIC SANDSTONE OF SIERRA NACIMIENTO NUM: ECONOMIC GEOLOGY, VOL 69, P. 108-120.KAUFMAN, W.H., SCHUMACHER, O.L., AND WOODWARD, L.A., 1972, STRATIFORM COPPER MINERALIZATION IN THE NACIMIENTO REGION, NEW MEXICO: NMBMMR PROGRESS/TARGET REPORT E-1, 12 p.WOODWARD, L.A., MCLELLAND, D., AND KAUFMAN, W.H., 1974, NACIMIENTO PEAK QUADRANGLE, RIO ARRIBA COUNTY: NMBMMR GEOLOGIC MAP GM-32.WOODWARD, L.A., KAUFMAN, W.H., AND SCHUMACHER, O.L., 1974, SANDSTONE, COPPER DEPOSITS OF THE NACIMIENTO REGION, NEW MEXICO: NMGS GUIDEBOOK 25TH FIELD CONFERENCE, P. 295-299.ELSTON W.E., 1967, SUMMARY OF THE MINERAL RESOURCES OF BERNILILLO, SANDOVAL, AND SANTA FE COUNTIES, NEW MEXICO: NMBMMR BULL. 81, P. 25-29.NMBMMR GENERAL FILE DATANM STATE INSPECTOR OF MINES, ANNUAL REPORT 44TH, 1956, PP. 38, 52.DARTON N.H., 1928, 'RED BEDS' AND ASSOCIATED FORMATIONS IN NEW MEXICO: USGS BULL. 794, PLATE 37.