The Bonanza Mine Group is a silver, lead, copper, and gold mine located in Cochise county, Arizona.
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:
Commodity: Silver, Lead, Copper, Gold
Lat, Long: 31.69944, -110.10722
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.
Bonanza Mine Group MRDS details
Site Name
Primary: Bonanza Mine Group
Secondary: Annet
Secondary: South Bananza
Secondary: Melgren
Secondary: Chance
Commodity
Primary: Silver
Primary: Lead
Primary: Copper
Primary: Gold
Location
State: Arizona
County: Cochise
District: Tombstone District
Land Status
Land ownership: Private
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: Melgren, Tombstone Silver Fields Co.
Production
Not available
Deposit
Record Type: Site
Operation Category: Past Producer
Operation Type: Unknown
Year First Production: 1919
Year Last Production: 1950
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
Form: IRREGULAR
Structure
Type: R
Description: In Bisbee Group Near Intrusive Contact Of Uncle Sam Quartz Latite
Type: L
Description: On West Edge Of Tombstone Basin
Alterations
Alteration Type: L
Alteration Text: Oxidized Base Metal Sulfides
Rocks
Name: Quartz Latite
Role: Associated
Age Type: Associated Rock
Age Young: Late Cretaceous
Name: Quartz Latite
Role: Associated
Age Type: Host Rock
Age Young: Late Cretaceous
Name: Quartz Latite
Role: Associated
Age Type: Host Rock Unit
Age Young: Late Cretaceous
Analytical Data
Not available
Materials
Ore: Silver
Comments
Comment (Deposit): OXIDIZED BASE METAL SULFIDES WITH ENRICHED POCKETS OF SILVER ORE ALONG IRREGULAR FISSURE VEINS IN SEDIMENTARY ROCKS CLOSE TO AN INTRUSIVE CONTACT.
Comment (Production): SOME PRODUCTION MAY BE INCLUDED UNDER MELLGREN GROUP, SONE SAN PEDRO PRODUCTION IS INCLUDED WITH BONANZA
Comment (Development): OPERATORS INCLUDED TOMBSTONE SILVER, ALLISON MINES INC., BAREMORE MINING CO., A.P. GIACOMA, HILTON, MELLGREN GROUP
Comment (Workings): OVERALL LENGTH INCLUDES SHAFT AND SURFACE WORKINGS. TWO SHAFTS, ONE 1800 FT DEEP, ONE 1500 FT DEEP
Comment (Location): INFO FROM LAND.ST :(1979)
References
Reference (Deposit): ARIZ. B. OF M. BULL. 143, 1938, P. 18, PL. 3
Reference (Deposit): KEITH, S.B., 1973, ARIZONA BUREAU OF MINES BULLETIN 187, P. 73.
Reference (Deposit): ARIZONA DEPT OF MINERAL RESOURCES FILE DATA
Reference (Deposit): MARVIN, STERN, CREASEY, MEHNART, 1973, USGS BULL, 1379
Reference (Production): KEITH, 1973, ARIZ. BUR. OF MINES BULL. 187.
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.
