The Columbia Mine Group is a copper and silver mine located in Pima county, Arizona at an elevation of 3,127 feet.
About the MRDS Data:
All mine locations were obtained from the USGS Mineral Resources Data System. The locations and other information in this database have not been verified for accuracy. It should be assumed that all mines are on private property.
Mine Info
Elevation: 3,127 Feet (953 Meters)
Commodity: Copper, Silver
Lat, Long: 32.05833, -111.78750
Map: View on Google Maps
Satelite View
MRDS mine locations are often very general, and in some cases are incorrect. Some mine remains have been covered or removed by modern industrial activity or by development of things like housing. The satellite view offers a quick glimpse as to whether the MRDS location corresponds to visible mine remains.
Columbia Mine Group MRDS details
Site Name
Primary: Columbia Mine Group
Commodity
Primary: Copper
Primary: Silver
Secondary: Gold
Location
State: Arizona
County: Pima
Land Status
Not available
Holdings
Not available
Workings
Not available
Ownership
Not available
Production
Not available
Deposit
Record Type: Site
Operation Category: Producer
Operation Type: Unknown
Year First Production: 1907
Year Last Production: 1907
Years of Production:
Organization:
Significant: N
Deposit Size: S
Physiography
Not available
Mineral Deposit Model
Not available
Orebody
Form: IRREGULAR
Structure
Not available
Alterations
Not available
Rocks
Name: Granite
Role: Associated
Age Type: Associated Rock
Age Young: Pliocene
Analytical Data
Not available
Materials
Ore: Copper
Ore: Chalcocite
Comments
Comment (Location): S CENTER SECTION 1 PAPAGO INDIAN RESERVATION
Comment (Production): A SMALL AMOUNT OF ORE WAS PRODUCED IN 1907 THAT RAN 19% CU, 29 OZ/TON AG, AND 0.1 OZ/TON AU.
Comment (Workings): TUNNEL WORKINGS
Comment (Development): OPERATORS INCLUDED PAPAGO COPPER CO
Comment (Location): LOCATION IS GENERAL FOR PLACER AREA
Comment (Deposit): MINOR CINNABAR IS PRESENT. GOLD THE SIZE OF MUSTARD SEED TO 0.15 OZ WAS COMMON; SEVERAL NUGGETS OF 0.73 OZ RECOVERED. SOURCE OF GOLD BELIEVED TO BE TOURMALINE-QUARTZ VEINS IN PRECAMBRIAN ROCK.
Comment (Deposit): PLACERS ARE FOUND IN GULCHES THAT DISSECT THE PEDIMENT SLOPE ON THE SW FLANK OF THE SIERRA PRIETA AND IN THE GRAVEL-FLOORED PLAIN BETWEEN THIS PEDIMENT AND SKULL VALLEY. RICHEST PLACERS ARE ON THE GRAVEL-FLOORED PLAIN WEST AND SOUTH OF COPPER BASIN (T13N, R4W) ; INFO.SRC : 1 PUB LIT
References
Reference (Production): ABM BULLETIN 189 , P. 110 .
Reference (Deposit): KEITH, S. B., 1974 , INDEX OF MINING PROPERTIES IN PIMA COUNTY, ARIZONA: ARIZONA BUREAU OF MINES BULLETIN 189 , P. 110
Arizona Gold
"Where to Find Gold in Arizona" looks at the density of modern placer mining claims along with historical gold mining locations and mining district descriptions to determine areas of high gold discovery potential in Arizona. Read more: Where to Find Gold in Arizona.
