The National Mine is a copper mine located in Santa Cruz county, Arizona at an elevation of 4,800 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: 4,800 Feet (1,463 Meters)
Commodity: Copper
Lat, Long: 31.40917, -110.78167
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.
National Mine MRDS details
Site Name
Primary: National Mine
Secondary: Erin
Secondary: National Consolidated Mine
Commodity
Primary: Copper
Secondary: Silver
Secondary: Lead
Secondary: Gold
Location
State: Arizona
County: Santa Cruz
District: Patagonia 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: Underground
Ownership
Owner Name: George Gross, National Consolidated Mining Co.
Years: 1906 - 1915
Owner Name: National Consolidated Mining Co.
Years: 1906 - 1915
Production
Not available
Deposit
Record Type: Site
Operation Category: Producer
Operation Type: Unknown
Year First Production: 1906
Year Last Production: 1915
Discovery Year: 1899
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: Deposits In Region Are Mainly Lead-Silver Quartzitic Veins Which Strike E-W At About Right Angles To Axis Of Range
Type: L
Description: Deposits Mainly In Coarse Granite Porphyry Which Intrudes Quartz Monzonite; Monzonite Outcrops Nearby To Ne
Alterations
Alteration Type: L
Alteration Text: Minor Oxidation; Granite Porphyry Altered Near Vein
Rocks
Name: Granite
Role: Host
Age Type: Host Rock
Age in Years: 160.000000+-
Dating Method: Pb-Alpha
Material Analyzed: Zircon
Age Young: Jurassic
Name: Diorite
Role: Associated
Age Type: Associated Rock Unit
Age Young: Late Jurassic
Analytical Data
Analytical Data: EARLY 1900'S ORE VALUES AVERAGED 6.5% CU, 21 OZ/TON AG, 1.1% PB, 0.4 OZ./TON AU
Materials
Ore: Chalcopyrite
Ore: Pyrite
Gangue: Limonite
Comments
Comment (Location): ON THE NORTH BANK OF CANADA DE LA PALOMA; 1 3/4 MILES SW OF O'MARA MINE ; INFO FROM LAND.ST :(1979)
Comment (Deposit): NATIONAL MINE IS AT NORTH END OF SERIES OF PROPERTIES COMPRISED IN A BELT ABOUT 1.0 MILE WIDE WHICH EXTENDS SOUTHWARD FROM PALOMA CANYON TO PROVIDENCIA CANYON FOR A DISTANCE OF ABOUT 2.5 MILES, AND IS REFERRED TO AS THE GROSS BELT ; INFO.SRC : 1 PUB LIT; 2 UNPUB REPT
Comment (Deposit): BEST COPPER ORE AT DEPTH; NATIONAL NO. 4 PROSPECT IS ON A 2-FT. SILICEOUS GALENA-SILVER VEIN WHICH DIPS 50S IN GRANITE PORPHYRY AND IS PARTLY ASSOCIATED WITH A FAULT SHEAR ZONE
Comment (Workings): SHAFT CONTAINS ABOUT 400 FT OF DRIFTS; NATIONAL NO. 4 PROSPECT LOCATED ON OPPOSITE SIDE OF CANADA DE LA PALOMA, IS OPENED BY A 90-FT. DRIFT AND 90-FT INCLINED WINZE
Comment (Geology): GROSS BELT AND FOOTHILLS SEPARATED FROM STEEP SLOPES OF RANGE BY PIEDMONT-LIKE VALLEY ALONG WHICH PIEDMONT FAULT RUNS; FAULT EXTENDS NORTHWARDS FOR 6 MILES
References
Reference (Deposit): USBM-ABGMT PRODUCTION DATA FILE
Reference (Deposit): USBM FILE DATA-CLUSTER #22, NATIONAL MINE
Reference (Deposit): SCHRADER, F.C., 1915, USGS BULL 582, P. 310-311
Reference (Deposit): KEITH, S.B., 1975, ABM BULL 191, P. 81
Reference (Deposit): ABGMT CLIPPINGS FILE NATIONAL MINE
Reference (Deposit): ABGMT FILES STANTON B. KEITH
Reference (Deposit): SIMONS, FRANK S., 1974 GEOLOGIC MAP AND SECTIONS OF THE NOGALES AND LOCHIEL QUADRANGLES, SANTA CRUZ COUNTY, ARIZONA; USGS MAP I-762 (1:48000)
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.
