Pearl Mine

The Pearl Mine is a copper and lead mine located in Pinal county, Arizona at an elevation of 3,661 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: Pearl Mine
Secondary: Cuba Mine

Commodity

Primary: Copper
Primary: Lead
Secondary: Silver
Secondary: Gold
Tertiary: Molybdenum

Location

State: Arizona
County: Pinal
District: Mammoth District

Land Status

Land ownership: State
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: Dripping Springs Mines Corp , Pearl Mining Co. , Walter Hughes
Years: 1915 -

Owner Name: Dripping Springs Mines Corp , Pearl Mining Co. , M. G. Tarr
Years: 1918 -

Production

Not available

Deposit

Record Type: Site
Operation Category: Producer
Operation Type: Unknown
Year First Production: 1915
Year Last Production: 1941
Discovery Method: Ore-Mineral In Place
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: TABULAR

Structure

Type: R
Description: San Manuel And Mammoth Faults Run N45w, Mammoth Fault 1 1/2 Miles Ne, San Manuel Fault 1 Mile Sw

Type: L
Description: Veins Run N To S, With Cross Fractures Runnng Nw-Se Across The Veins. Cross Fractures Are About 10 To 15 Ft Apart. Minor Faulting Visible. But No Large Faults Found.

Alterations

Alteration Type: L
Alteration Text: Oxidized At The Surface

Rocks

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

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

Analytical Data

Not available

Materials

Ore: Malachite
Ore: Wulfenite
Ore: Chrysocolla
Ore: Tenorite
Gangue: Quartz

Comments

Comment (Deposit): THERE ARE 3 MAIN VEINS ON THE CLAIM, THEY RANGE IN WIDTH FROM 2 TO 18 FT, ALL STRIKE N-S AND DIPS RANGE FROM 60 TO 80 DEG. WEST.

Comment (Workings): BESIDES LOCATION SHAFTS, THERE ARE 15 SHALLOW OPEN CUTS. REPORTED TO BE FROM 10 TO 15 FT. LONG, 5 TO 6 FT. WIDE, AND FROM 10 TO 12 FT DEEP.

Comment (Location): INFO FROM LAND.ST :(1978)

Comment (Commodity): NO SULPHIDES VISIBLE

Comment (Development): 21 UNPATENTED CLAIMS

References

Reference (Deposit): CREASY, S. 1965, GEOLOGY OF THE SAN MANUEL AREA PINAL COUNTY, ARIZONA. USGS, P. P. 471, P. 58-59

Reference (Deposit): CREASY, S.C., 1967, GENERAL GEOLOGY OF THE MAMMOTH QUAD. PINAL COUNTY, ARIZONA, USGS, BULL. 1218, PLATE 1.

Reference (Deposit): USBM-ABGMT PRODUCTION DATA FILE

Reference (Deposit): ARIZONA DEPARTMENT OF MINERAL RESOURCES-FILE DATA

Reference (Deposit): USBM FILE DATA, CLUSTER 545

Reference (Deposit): WEED, W., 1922, THE MINES HANDBOOK, VOL. 15, P. 265

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.