Greenback Mine

The Greenback Mine is a gold mine located in Pinal county, Arizona at an elevation of 2,175 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

Name: Greenback Mine  

State:  Arizona

County:  Pinal

Elevation: 2,175 Feet (663 Meters)

Primary Mineral: Gold

Lat, Long: 32.51778, -112.16250

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.


Satelite image of the Greenback Mine

Greenback Mine MRDS details

Site Name

Primary: Greenback Mine


Commodity

Primary: Gold
Secondary: Copper
Secondary: Silver


Location

State: Arizona
County: Pinal


Land Status

Not available


Holdings

Not available


Workings

Type: Underground


Ownership

Not available


Production

Not available


Deposit

Record Type: Site
Operation Category: Producer
Operation Type: Unknown
Year First Production: 1939
Year Last Production: 1940
Discovery Year: 1895
Years of Production:
Organization:
Significant: N
Deposit Size: S


Physiography

Not available


Mineral Deposit Model

Not available


Orebody

Form: LENSES


Structure

Type: R
Description: Nw And Ne Trending Fault Zones, E-W Trending Fault Zones

Type: L
Description: E-W Trending Fault Zone Through Mine. 2 Parallel Nw Trending Faults 1/3 Mile Sw Of Mine


Alterations

Not available


Rocks

Name: Dacite
Role: Associated
Age Type: Associated Rock
Age Young: Pliocene

Name: Dacite
Role: Associated
Age Type: Host Rock Unit
Age Young: Neoproterozoic

Name: Dacite
Role: Associated
Age Type: Associated Rock Unit
Age Young: Pliocene

Name: Dacite
Role: Associated
Age Type: Host Rock
Age Young: Pliocene


Analytical Data

Not available


Materials

Ore: Gold
Ore: Chrysocolla
Ore: Malachite
Gangue: Quartz


Comments

Comment (Location): LOCATED ON THE NORTH SLOPE OF THE CIMARRON MOUNTAINS

Comment (Deposit): Discovery Year: 1890'S

Comment (Workings): WORKINGS INCLUDE PINAL SHAFT (688 FT DEEP ON A 50 DEGREE INCLINE), GREEN BACK SHAFT (100 FT DEEP ON A 40 DEGREE INCLINE)

Comment (Geology): IN TERTIARY VOLCANIC ROCKS, YOUNGER MINERALIZATION THAN IN VEKOL DISTRICT AND COPPEROSITY MINE TO THE NE.

Comment (Development): PREVIOUS OWNERS/OPERATORS INCLUDE HUMPHREY (1916), PAUL HINSHAW (1917-1919), PINAL GRANDE MINING CO (PAUL HINSHAW) (1919-1924), GREENBACK GOLD MINING CO. (PAUL HINSHAW AND FRANK ROYER) (1924-1926), WESLEY OATES (1932), FRANK M. LEONARD (1932-?), RAMON ANDRADE (1939-40); ADDITIONAL CLAIMS WERE ADDED TO THE ORIGINAL 10 LOCATED IN 1916 INCLUDING 17 CLAIMS IN 1917, GREENBACK GROUP OF 20 CLAIMS IN 1918, SILVER QUEEN GROUP (VINDICATOR GOLD MINING PROPERTY) IN 1921


References

Reference (Deposit): ABGMT CLIPPINGS FILES

Reference (Deposit): ABGMT-USBM FILE DATA

Reference (Deposit): ADMR FILE DATA

Reference (Deposit): USGS MF-931

Reference (Deposit): TENNEY, JAMES, HISTORY OF MINING IN AZ 1927-29, P. 340-342

Reference (Deposit): TENNEY, J.B., ECONOMIC GEOLOGICAL RECONNAISSANCE OF CASA GRANDE MINING DISTRICT, AZ BUREAU OF MINES, 1934


Arizona Gold

Where to Find Gold in Arizona

"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 at Where to Find Gold in Arizona.