Orphan Boy Mine

The Orphan Boy Mine is a lead mine located in Pinal county, Arizona at an elevation of 3,399 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: Orphan Boy Mine  

State:  Arizona

County:  Pinal

Elevation: 3,399 Feet (1,036 Meters)

Primary Mineral: Lead

Lat, Long: 33.2075, -111.16028

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 Orphan Boy Mine

Orphan Boy Mine MRDS details

Site Name

Primary: Orphan Boy Mine
Secondary: Sunset
Secondary: Silver Queen


Commodity

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


Location

State: Arizona
County: Pinal
District: Mineral Hill District


Land Status

Land ownership: National Forest
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: Surface/Underground


Ownership

Owner Name: Mineral Mountain Mining And Milling Co.
Years: 1948 -

Owner Name: K. Pomeroy, Az, Az. Silver Inc. B. Sweet , V. Lamb ,
Years: 1943 -


Production

Not available


Deposit

Record Type: Site
Operation Category: Producer
Deposit Type: Vein
Operation Type: Unknown
Year First Production: 1924
Year Last Production: 1963
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: Sonoran Desert


Mineral Deposit Model

Not available


Orebody

Form: TABULAR


Structure

Type: R
Description: Tert Rhyolite And Quartz Latite Intrusions And Prec Diorite Near And East Of Mine

Type: L
Description: Madera Diorite In Nw Trending Outcrops, Tertiary Rhyolite At Mine And 1/4 Mile East


Alterations

Not available


Rocks

Name: Rhyolite
Role: Associated
Age Type: Host Rock
Age Young: Neoproterozoic


Analytical Data

Not available


Materials

Ore: Sphalerite
Ore: Galena
Ore: Anglesite
Ore: Argentite
Gangue: Limonite
Gangue: Quartz
Gangue: Calcite


Comments

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

Comment (Development): GROUP OF 4 UNPATENTED CLAIMS LATER (1948) BECAME PART OF THE MINERAL MOUNTAIN MINING AND MILLING CO. PROPERTIES.

Comment (Deposit): TWO PARALLEL MINERALIZED SHEAR ZONES IN RHYOLITE, THEY ARE SEPARATED BY A SMALL INTRUSIVE MASS OF MONZONITE. MINERALIZATION IS SIMILAR TO THAT

Comment (Workings): A CROSSCUT TUNNEL OPENS INTO THE BOTTOM OF A SMALL PIT. LARGEST PIT IS 30 FT LONG, 10 FT WIDE, AND 30 FT DEEP.


References

Reference (Deposit): USGS OPEN FILE REPORT 78-468, 1978.

Reference (Deposit): USBM-ABGMT PRODUCTION DATA FILE

Reference (Deposit): ABGMT CLIPPINGS FILA DATA

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

Reference (Deposit): USBM FILE DATA - CLUSTER #776


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.