The Renfro Group is a copper mine located in Gila 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: Copper
Lat, Long: 33.1475, -110.87750
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.
Renfro Group MRDS details
Site Name
Primary: Renfro Group
Secondary: Roman Eagle Shaft
Commodity
Primary: Copper
Secondary: Silver
Secondary: Gold
Location
State: Arizona
County: Gila
District: Dripping Springs District
Land Status
Land ownership: BLM Administrative Area
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
Not available
Production
Not available
Deposit
Record Type: Site
Operation Category: Producer
Operation Type: Unknown
Year First Production: 1913
Year Last Production: 1918
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
Not available
Structure
Type: R
Description: Ew Rhyodacite Porphyry Dikes -Ew Faults
Type: L
Description: Quartzite And Limestone Overlies Diabase, Fractures Northwesterly, One Being N75w
Alterations
Not available
Rocks
Name: Rhyodacite
Role: Associated
Age Type: Host Rock
Age Young: Neoproterozoic
Name: Rhyodacite
Role: Associated
Age Type: Associated Rock
Age Young: Paleocene
Name: Rhyodacite
Role: Associated
Age Type: Host Rock Unit
Age Young: Neoproterozoic
Analytical Data
Not available
Materials
Ore: Chrysocolla
Ore: Cuprite
Comments
Comment (Geology): LCRET RATTLER GRANODIORITE INTRUSION IS 1/8 MILE W OF MINE, AND MINERALIZATION AND/OR FISSURING IS PROBABLY RELATED TO THIS INTRUSION. RHYODACITE POSTDATES INTRUSION, DOWNTHROWN SIDE IS THE SOUTHERN SIDE ON MOST OF THE FRACTURES IN THE AREA.
Comment (Location): 0.25 MILE E OF GILA-PINAL COUNTY BOUNDARY, 1.25 MILES E OF TROY RANCH. ; INFO FROM LAND.ST :(1979)
Comment (Development): PINAL DEVELOPMENT COMPANY AND F. M. POOL WERE PAST OPERATORS. 47 CLAIMS IN 1922.
Comment (Deposit): 15 FT THICK ORE HORIZON ON LIMESTONE.
Comment (Workings): MAIN TUNNEL 1600 FT. LONG, DEPTH 600 FT (MINES HANDBOOK, 1922) ADMR REPORT (1907) DESCRIBES VARIOUS SMALL SHAFTS; 220 FT OF WORKINGS ON THE GOLDEN EAGLE, A 150 FT TUNNEL, AND A 43 FT. SHAFT IN GRANITE.
References
Reference (Deposit): ADMR RENFRO GROUP FILE.
Reference (Deposit): ABGMT-USBM FILE DATA.
Reference (Deposit): USGS GEOLOGIC QUADRANGLE GQ-10218, 1971.
Reference (Deposit): REED, W. H., MINES HANDBOOK, VOLUME XV, 1922, P. 364.
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.
