Commodities
PrimaryGold
TertiaryTellurium
Commodity typeM
Deposit
Deposit typePlacer
Model56: Placer Au
Deposit sizeS
Ore controlValley-Fill And Terrace Gravels Along Major Streams
Materials
Ore mineralsCalaverite, Gold
Geology
Host rockSand and Gravel · Recent Alluvium
StructureSierra Blanca Massif, Ft. Garland Embayment
Tectonic settingCentral Cordillera (Southern Rocky Mtns)
Economic & production
Development statusPast Producer
Last production1936
Identification
Deposit ID10011672
MRDS IDD006752
Alternate namesLast Chance No. 3
RegionNA
Data scoreB
Coordinates37.61613, -105.27445
References
PATTON, H.B., AND OTHERS, 1910, GEOLOGY OF THE GRAYBACK MINING DISTRICT, COSTILLA COUNTY, COLORADO: CGS BULL. 2.PARKER, B.H., JR., 1974, GOLD PLACERS OF COLORADO: CSM QUART., V. 69, NO. 4, P. 124-134.