| Deposit ID | 10102426 |
|---|---|
| MRDS ID | M001739 |
| Record type | Site |
| Current site name | Bonanza Mine Group |
| Alternate or previous names | Annet, South Bananza, Melgren, Chance |
| Related records | 10112808 |
| Geographic coordinates: | -110.10788, 31.69957 (WGS84) |
|---|---|
| Relative position | 2 MI. SW OF TOMBSTONE, ARIZ. |
Political divisions (FIPS codes)
Cochise(county)
Arizona(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Tombstone(quadrangle 1:24,000 scale)
Fort Huachuca(quadrangle 1:100,000 scale)
Nogales(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Upper San Pedro(hydrologic unit)
San Pedro-Willcox(hydrologic accounting unit)
Middle Gila(hydrologic subregion)
Lower Colorado(hydrologic region)
Federal lands
ST(Federal land areas administered by ST)
| Country | State | County |
|---|---|---|
| United States | Arizona | Cochise |
| Meridian | Township | Range | Section | Fraction | State |
|---|---|---|---|---|---|
| Gila and Salt River | 20S | 22E | 16 | Arizona |
| Commodity | Importance |
|---|---|
| Silver | Primary |
| Lead | Primary |
| Copper | Primary |
| Gold | Primary |
| Materials | Type of material |
|---|---|
| Silver | Ore |
| Host or associated | Associated | ||||||
|---|---|---|---|---|---|---|---|
| Rock type | Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Quartz Latite | ||||||
| Rock unit name | Uncle Sam Porphyry | ||||||
| Rock description | Uncle Sam Porphyry | ||||||
| |||||||
| Host or associated | Host |
|---|---|
| Rock type | Sedimentary Rock > Clastic Sedimentary Rock |
| Rock unit name | Bisbee Group Sedimentary Rocks |
| Rock description | Bisbee Group Sedimentary Rocks |
| (1) | -110.10788, 31.69957 |
|---|
| Type of structure | Regional |
|---|---|
| Structure description | In Bisbee Group Near Intrusive Contact Of Uncle Sam Quartz Latite |
| Type of structure | Local |
| Structure description | On West Edge Of Tombstone Basin |
| General form | IRREGULAR |
|---|
| Development status | Past Producer |
|---|---|
| Commodity type | Metallic |
| Deposit size | Small |
| Significant | No |
| Year of first production | 1919 |
| Year of last production | 1950 |
| District name | Tombstone District |
|---|
| Ownership category | Private |
|---|
| Type | Operator |
|---|---|
| Owner | Melgren, Tombstone Silver Fields Co. |
| Type of workings | Surface/Underground |
|---|---|
| Length | 3291.84M |
| Overall depth | 548.64M |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | M001739 | |
| U.S. Bureau of Mines | Minerals Availability System | MAS | 0040030583 |
ARIZ. B. OF M. BULL. 143, 1938, P. 18, PL. 3
KEITH, S.B., 1973, ARIZONA BUREAU OF MINES BULLETIN 187, P. 73.
ARIZONA DEPT OF MINERAL RESOURCES FILE DATA
MARVIN, STERN, CREASEY, MEHNART, 1973, USGS BULL, 1379
KEITH, 1973, ARIZ. BUR. OF MINES BULL. 187.
| Subject category | Comment text |
|---|---|
| Deposit | OXIDIZED BASE METAL SULFIDES WITH ENRICHED POCKETS OF SILVER ORE ALONG IRREGULAR FISSURE VEINS IN SEDIMENTARY ROCKS CLOSE TO AN INTRUSIVE CONTACT. |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-APR-1972 | Gere, W. | Arizona Bureau of Geology and Mineral Technology | |
| Updater | 01-NOV-1981 | Gest, Don E. | U.S. Geological Survey |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.
These are landing pages for further research — the state agencies don't currently expose per-mine deep links.