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
Elevation: 3,399 Feet (1,036 Meters)
Commodity: 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.
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" 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.
