The Little Hill Mine is a copper mine located in Pinal county, Arizona at an elevation of 4,160 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: 4,160 Feet (1,268 Meters)
Commodity: Copper
Lat, Long: 32.58667, -110.83139
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.
Little Hill Mine MRDS details
Site Name
Primary: Little Hill Mine
Commodity
Primary: Copper
Secondary: Molybdenum
Tertiary: Lead
Tertiary: Silver
Location
State: Arizona
County: Pinal
District: Little Hills District
Land Status
Land ownership: State 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: Little Hill Mining Co.
Home Office: Oracle, Az.
Production
Not available
Deposit
Record Type: Site
Operation Category: Past Producer
Operation Type: Unknown
Discovery Year: 1885
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
Not available
Structure
Type: L
Description: Wnw Mogul Fault Dipping 40-60s With Left Lateral Displacement Of 1500 Ft Or Maybe More
Alterations
Alteration Type: L
Alteration Text: Propyllitic & Sericitic; Weak Coincides With Mineralization
Rocks
Name: Gneiss
Role: Host
Age Type: Host Rock
Age Young: Pliocene
Analytical Data
Analytical Data: ROCK CHIP GEOCHEM SHOWED A 250 PPM CU ANOMALY SURROUNDED BY U-SHAPED 6 PPM MO ANOMALY
Materials
Ore: Chalcopyrite
Ore: Hematite
Ore: Chalcocite
Ore: Sphalerite
Ore: Molybdenite
Ore: Pyrite
Ore: Malachite
Ore: Chrysocolla
Ore: Covellite
Ore: Galena
Ore: Melaconite
Ore: Magnetite
Gangue: Quartz
Gangue: Sericite
Comments
Comment (Location): INFO FROM LAND.ST :1979
Comment (Deposit): THIS REPORT WAS TAKEN FROM RECORD M030486 OF JAN WILT IN MOLYBDENUM FILE, CONTACT PERSON T.G. THEODORE, USGS ; INFO.SRC : 1 PUB LIT; 2 UNPUB REPT
Comment (Development): FIRST CLAIMS STAKED FOR GOLD & SILVER, IN 1962-1965, ADJOINING DEL ORO CLAIMS WERE OPERATED SEPARATELY BY MCFARLAND AND HULLINGER CO. NOW DEL ORO IS OWNED AND OPERATED BY LITTLE HILL MINES. CANYON PIT AND HILLTOP ARE BOTH ADJOINING WORKINGS (1965) OWNED BY LITTLE HILLS MINES.
Comment (Deposit): DIMENSIONS DESCRIBE OREBODY MINED IN 1964 WHICH AVERAGED 1.5% CU.
Comment (Workings): 1 1/2 COMPARTMENT SHAFT, 51 DEG INCLINE 225 FT DEEP (1964). SEVERAL SMALL PITS SINCE 1964
Comment (Deposit): Discovery Year: 1880'S
References
Reference (Deposit): DURNING, 1972, MS THESIS, UNIV OF AZ.
Reference (Deposit): DURNING & DAVIS, 1978, AZ GEOL SOC DIGEST, V. 11, P. 81-89.
Reference (Deposit): JINKS, 1961, M.S. THESIS, UNIV OF AZ.
Reference (Other Database): CIMRI
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.
