Philadelphia Mine

The Philadelphia Mine is a gold, lead, silver, and copper mine located in Cochise county, Arizona at an elevation of 6,299 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

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.

Site Name

Primary: Philadelphia Mine

Commodity

Primary: Gold
Primary: Lead
Primary: Silver
Primary: Copper

Location

State: Arizona
County: Cochise
District: Mascot District

Land Status

Land ownership: Private
Note: the land ownership field only identifies whether the area the mine is in is generally on public lands like Forest Service or BLM land, or if it is in an area that is generally private property. It does not definitively identify property status, nor does it indicate claim status or whether an area is open to prospecting. Always respect private property.

Holdings

Not available

Workings

Not available

Ownership

Owner Name: Cochran, E. E.
Years: 1935 -

Production

Not available

Deposit

Record Type: Site
Operation Category: Past Producer
Deposit Type: Vein
Operation Type: Unknown
Years of Production:
Organization:
Significant: N
Deposit Size: S

Physiography

General Physiographic Area: Intermontane Plateaus
Physiographic Province: Basin And Range Province
Physiographic Section: Mexican Highland

Mineral Deposit Model

Not available

Orebody

Form: IRREGULAR

Structure

Type: R
Description: Quartz Monzonite In Fault Contact With Cretaceous Sediments To North

Type: L
Description: Faulting And Shearing Throughout Quartz Monzonite Body

Alterations

Not available

Rocks

Name: Quartz Monzonite
Role: Associated
Age Type: Associated Rock
Age Young: Neoproterozoic

Name: Quartz Monzonite
Role: Associated
Age Type: Host Rock
Age Young: Neoproterozoic

Analytical Data

Not available

Materials

Ore: Silver
Ore: Gold
Ore: Lead
Gangue: Quartz

Comments

Comment (Location): SE 1/4 SEC 21 UTM EST

Comment (Production): CONSIDERABLE GOLD ORE PRODUCED IN THE 1880'S AND ABOUT 50 TONS IN 1935

Comment (Deposit): ORE IN A CROSSCUTTING FAULT IN GRANITE, ASSOCIATED WITH A DIABASE DIKE.

Comment (Workings): SMALL TUNNEL WORKINGS

References

Reference (Deposit): KEITH, S B, 1973, ARIZONA BUREAU OF MINES BULLETIN 187, P 62

Reference (Production): KEITH, 1973, ARIZ BUR OF MINES BULL 187.

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.