Pinafore Mine

The Pinafore Mine is a copper and zinc mine located in Yavapai county, Arizona at an elevation of 3,281 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: Pinafore Mine
Secondary: Eureka Mine

Commodity

Primary: Copper
Primary: Zinc
Secondary: Silver
Secondary: Gold
Secondary: Lead

Location

State: Arizona
County: Yavapai
District: Old Dick 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

Type: Underground

Ownership

Owner Name: Hullinger And Mcfarland,
Years: 1956 -

Owner Name: Hillside Mining (1950'S)

Production

Not available

Deposit

Record Type: Site
Operation Category: Producer
Operation Type: Unknown
Year First Production: 1935
Year Last Production: 1957
Discovery Year: 1950
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: LENS

Structure

Type: R
Description: Foliation In Precambrian Metavolcanic Rocks Trends N 20 E To N 30 E

Type: L
Description: Massive Sulfide Lenses Parallel Foliation And Bedding

Alterations

Alteration Type: L
Alteration Text: Chloritization, Pyritization

Rocks

Name: Andesite
Role: Associated
Age Type: Associated Rock
Age in Years: 1770.000000+-
Dating Method: U-Pb (zircon)
Material Analyzed: Zircon
Age Young: Proterozoic

Name: Rhyolite
Role: Associated
Age Type: Associated Rock
Age in Years: 1770.000000+-
Dating Method: U-Pb (zircon)
Material Analyzed: Zircon
Age Young: Proterozoic

Name: Andesite
Role: Host
Age Type: Associated Rock
Age in Years: 1770.000000+-
Dating Method: U-Pb (zircon)
Material Analyzed: Zircon
Age Young: Proterozoic

Name: Mica Schist
Role: Host
Age Type: Host Rock Unit
Age in Years: 1770.000000+-
Dating Method: U-Pb (zircon)
Material Analyzed: Zircon
Age Young: Proterozoic

Name: Rhyolite
Role: Host
Age Type: Associated Rock
Age in Years: 1770.000000+-
Dating Method: U-Pb (zircon)
Material Analyzed: Zircon
Age Young: Proterozoic

Analytical Data

Not available

Materials

Ore: Sphalerite
Ore: Chalcopyrite
Ore: Galena
Ore: Chalcocite
Gangue: Chlorite
Gangue: Calcite
Gangue: Quartz
Gangue: Pyrite

Comments

Comment (Deposit): Discovery Year: 1900'S

Comment (Workings): ADIT 250 FT LONG. TWO LEVELS-70 FT AND 150 FT.

Comment (Geology): DEPOSIT IS MASSIVE SULFIDE LENS IN PROTEROZOIC METAVOLCANIC ROCKS. DEPOSIT LOCALIZED AT OR NEAR CONTACT OF RHYOLITE AND ANDESITE, OR NEAR QUARTZ-MICA SCHIST

Comment (Deposit): OREBODY WAS CRESCENT-SHAPED AND PLUNGED STEEPLY

Comment (Development): PATENTED CLAIMS INCLUDE EUREKA. EUREKA EXTENSION AND ALL SURROUNDING CLAIMS ARE UNPATENTED

Comment (Location): UTM COORDINATES TO SHAFT. TWO ADITS ARE LOCATED JUST DOWNSLOPE AND NW OF THE SHAFT

References

Reference (Deposit): AZ DEPT. MIN. RESOURCES FILE DATA

Reference (Deposit): ABGMT CLIPPINGS FILES

Reference (Deposit): USBM-ABGMT FILE DATA

Reference (Deposit): USBM. FED. MINE MAP REPOSITORY REEL 4055-525

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.