| Deposit ID | 10039529 |
|---|---|
| MRDS ID | M050225 |
| Record type | Site |
| Current site name | Baboquivari Mine |
| Alternate or previous names | Black Diamond, Red and Black Chief |
| Related records | 10259223 |
| Geographic coordinates: | -111.60237, 31.70763 (WGS84) |
|---|---|
| Elevation | 1372 |
| Relative position | 4.5 AIR MILES DIRECTLY SOUTH OF BABOQUIVARI PEAK. |
Political divisions (FIPS codes)
Pima(county)
Arizona(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Mildred Peak(quadrangle 1:24,000 scale)
Sells(quadrangle 1:100,000 scale)
Nogales(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Brawley Wash(hydrologic unit)
Santa Cruz(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 | Pima |
| Meridian | Township | Range | Section | Fraction | State |
|---|---|---|---|---|---|
| Gila and Salt River | 020S | 007E | 11 | Arizona |
| Commodity | Importance |
|---|---|
| Manganese Critical | Primary |
| Copper | Tertiary |
| Silver | Tertiary |
| Gold | Tertiary |
| Materials | Type of material |
|---|---|
| Psilomelane | Ore |
| Pyrolusite | Ore |
| Result | TESTS ON HIGH GRADE SAMPLES CONTAINING 25% MN SHOWED A RECOVERY OF 81% OF MN IN A PRODUCT ASSAYING 55% MN AND 3.6 % IRON BY A COMBINATION OF METHODS INCLUDING CONCENTRATION BY TABLING AND FLOTATION FOLLOWED BY MAGNETIC SEPARATION. |
|---|
| Host or associated | Associated | ||
|---|---|---|---|
| Rock type | Volcanic Rock (Aphanitic) > Intermediate Volcanic Rock > Andesite | ||
| |||
| Host or associated | Host |
|---|---|
| Rock type | Volcanic Rock (Aphanitic) > Intermediate Volcanic Rock > Andesite |
| (1) | -111.60237, 31.70763 |
|---|
| General form | IRREGULAR |
|---|---|
| Strike | EAST- WEST |
| Dip | NORTH TO VERTICAL |
| Length | 121.92M |
| Width | 91.44M |
| Development status | Past Producer |
|---|---|
| Commodity type | Metallic |
| Deposit size | Small |
| Significant | No |
| Discovery year | 1915 |
| Year of first production | 1917 |
| Production years | 1917 |
| District name | Mildred Peak District |
|---|
| Type | Owner |
|---|---|
| Owner | Forest G. Miller And Manuel L. Obregon |
| Type of workings | Surface/Underground |
|---|---|
| Overall depth | 7.62M |
| Overall length | 6.1M |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | M050225 | |
| U.S. Bureau of Mines | Minerals Availability System | MAS | 0040190108 |
FARNHAM, STEWART & DE LONG, 1961, USBM IC 7990.
ABGMT BULL 189, P. 108.
FARNHAM, L.L., STEWART, L.A., AND DE LONG, C.W., 1961, MANGANESE DEPOSITS OF EASTERN ARIZONA: U.S. BUREAU OF MINES INFORMATION CIRCULAR IC 7990, 178 P..
1941 DIREXPL USBM TRENCHING AND SAMPLING.
1953 DIREXPL PRIVATE PARTIES; DIAMOND DRILLING
1957 RECON USBM, IC 7990
USBM, IC7990
| Subject category | Comment text |
|---|---|
| Deposit | Discovery Year: WORLD WAR I |
| Deposit | IRREGULAR AND DISCONTINUOUS VEINLETS FROM A FRACTION OF AN INCH TO 1 FOOT OR MORE WIDE IN SPORADIC AREAS 1,500 FEET OR MORE ALONG STRIKE OF FRACTURE ZONE. |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-AUG-1972 | Johnson, Maureen G. | 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.