Commodities
PrimarySilver, Gold
SecondaryCopper, Lead
Commodity typeM
Deposit
Deposit typeVein
Model85: Polymetallic veins
Deposit sizeS
Materials
Ore mineralsChalcopyrite, Galena, Gold
Geology
Host rockGneiss · Granodiorite Gneiss
StructureSangre De Cristo Range, Sierra Blanca Massif, Rio Grande Rift, Sangre De Cristo Fault And Unnamed Branch Fault
Tectonic settingCentral Cordillera (Southern Rocky Mtns)
Economic & production
Development statusPast Producer
First production1934
Last production1936
Discovery year1917
Identification
Deposit ID10012950
MRDS IDD008981
Alternate namesNora B, Delphos, Hannah, Golden Treasure Mill Site, Raven
RegionNA
Data scoreB
Coordinates37.88696, -105.58947
References
U.S. BUREAU OF MINES MINERAL YEARBOOKS 1935-1938.COLORADO DIV. MINES ANNUAL OPERATOR'S REPT.JOHNSON, R.B., 1969, GEOLOGIC MAP OF THE TRINIDAD QUADRANGLE, SOUTH-CENTRAL COLORADO: USGS I-558CLEMENT, J.F., 1952, THE GEOLOGY OF THE NORTHEASTERN BACA GRANT AREA, SAGUACHE COUNTY, COLORADO: COLORADO SCHOOL OF MINES M.S. THESIS T-764.