| Deposit ID | 10039687 |
|---|---|
| MRDS ID | M050654 |
| Record type | Site |
| Current site name | Black Hawk Group |
| Alternate or previous names | Black Hawk No. 1, 2, and 3, Black Eagle Nos. 1 and 2, Blue Devil Nos.1 & 2 |
| Related records | 10234423 |
| Geographic coordinates: | -111.60376, 32.03012 (WGS84) |
|---|---|
| Relative position | ABOUT 2.75 MILES NORTHWEST OF INDIAN HAMLET OF PANTAK; NORTH WEST OF COYOTE MOUNTAINS. |
Political divisions (FIPS codes)
Pima(county)
Arizona(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Pan Tak(quadrangle 1:24,000 scale)
Silver Bell Mountains(quadrangle 1:100,000 scale)
Tucson(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Aguirre Valley(hydrologic unit)
Santa Cruz(hydrologic accounting unit)
Middle Gila(hydrologic subregion)
Lower Colorado(hydrologic region)
Federal lands
BIA(Federal land areas administered by BIA)
| Country | State | County |
|---|---|---|
| United States | Arizona | Pima |
| Meridian | Township | Range | Section | Fraction | State |
|---|---|---|---|---|---|
| Gila and Salt River | 016S | 007E | 14 | SE4 | Arizona |
| Commodity | Importance |
|---|---|
| Manganese Critical | Primary |
| Host or associated | Associated | ||
|---|---|---|---|
| Rock type | Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Rhyolite | ||
| |||
| Host or associated | Host |
|---|---|
| Rock type | Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Rhyolite |
| (1) | -111.60376, 32.03012 |
|---|
| Type of structure | Local |
|---|---|
| Structure description | Northwest Trending Fracture Zone. |
| General form | IRREGULAR VEINLETS IN FRACTURE ZONE |
|---|---|
| Strike | N50 TO 60 W |
| Dip | VERTICAL TO STEEP NE. |
| Length | 137.16M |
| Width | 91.44M |
| Development status | Past Producer |
|---|---|
| Commodity type | Metallic |
| Deposit size | Small |
| Significant | No |
| Discovery year | 1940 |
| Discoverer | Geo. M. Evans And Assoc. |
| Year of first production | 1955 |
| Production years | 1955 |
| Year | 1955 | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Material | MN | ||||||||||||||
| Accuracy | Accurate | ||||||||||||||
| Description | Ap_Grade: ^20% Mn | ||||||||||||||
| |||||||||||||||
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | M050654 | |
| U.S. Bureau of Mines | Minerals Availability System | MAS | 0040190012 |
FARNHAM, STEWART AND DE LONG, 1961, MANGANESE DEPOSITS OF EASTERN ARIZONA: USBM IC 7990.
NOWLAN, G.A., HAXEL, G.B., HANNA, W.F., PITKIN, J.A., DIVELEY-WHITE, D.V., MCDONNELL, J.R., JR., AND LUNDBY, WILLIAM, 1989, MINERAL RESOURCES OF THE BABOQUIVARI PEAK AND COYOTE MOUNTAINS WILDERNESS STUDY AREAS, PIMA COUNTY, ARIZONA: U.S. GEOLOGICAL SURVEY BULLETIN 1702, 30 P.
1955 DIREXPL DRAKE MINING CO; MINED ORE
FARNHAM, STEWART AND DELONG, 1961, MANGANESE DEPOSITS OF EASTERN ARIZONA; USBM IC 7990
1956 RECON U.S.B.M. IC 7990
CIMRI
| Subject category | Comment text |
|---|---|
| Deposit | TWO PARALLEL FRACTURE ZONES 300 FT. APART, CONTAINING DISCONTINUOUS, NARROW STRINGERS OF HARD MANGANESE OXIDES IN MOST FRACTURE PLANES, WHICH SHOW GRADUAL REPLACEMENT OUTWARD FROM THE WALLS AND INCOMPLETE REPLACEMENT OF SOFTER WAD MANGANESE IN SHATTERED AREAS BETWEEN FRACTURES. |
| Deposit | FRACTURE ZONE PROBABLY EXTENDS TO EAST WHERE IT IS COVERED BY ALLUVIUM; SIMILIARITY OF MINERALS AND THE TREND OF FRACTURES SUGGEST THAT BLACK HAWK AND JEAN E ARE ON SAME FRACTURE ZONE. ; INFO.SRC : 1 PUB LIT; 2 UNPUB REPT |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-AUG-1972 | Johnson, Maureen G. | U.S. Geological Survey | |
| Updater | 01-DEC-1992 | Orris, Greta J. | U.S. Geological Survey |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.
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