| Deposit ID | 10027120 |
|---|---|
| MRDS ID | M002154 |
| Record type | Site |
| Current site name | Black Rock Group |
| Alternate or previous names | Davis |
| Related records | 10282711 |
| Geographic coordinates: | -110.43762, 33.08287 (WGS84) |
|---|---|
| Elevation | 1219 |
| Relative position | 11 MILES N-NW OF ARAVAIPA. |
Political divisions (FIPS codes)
Graham(county)
Arizona(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Rawhide Mountain(quadrangle 1:24,000 scale)
Globe(quadrangle 1:100,000 scale)
Mesa(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Upper Gila-San Carlos Reservoir(hydrologic unit)
Upper Gila(hydrologic accounting unit)
Upper Gila(hydrologic subregion)
Lower Colorado(hydrologic region)
Federal lands
BIA(Federal land areas administered by BIA)
| Country | State | County |
|---|---|---|
| United States | Arizona | Graham |
| Meridian | Township | Range | Section | Fraction | State |
|---|---|---|---|---|---|
| Gila and Salt River | 004S | 019E | 18 | Arizona |
| Commodity | Importance |
|---|---|
| Manganese Critical | Primary |
| Iron | Secondary |
| Copper | Tertiary |
| Lead | Tertiary |
| Barium-Barite Critical | Tertiary |
| Silver | Tertiary |
| Materials | Type of material |
|---|---|
| Barite | Ore |
| Galena | Ore |
| Hematite | Ore |
| Malachite | Ore |
| Pyrolusite | Ore |
| Siderite | Ore |
| Result | 9.2 % MN, 22.3 % FE, 18 % CAO, 4 % SIO2, 1.8 % AL2O3, 0.8 % ZN |
|---|
| Host or associated | Associated | ||||
|---|---|---|---|---|---|
| Rock type | Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Rhyolite | ||||
| |||||
| Host or associated | Host |
|---|---|
| Rock type | Sedimentary Rock > Carbonate > Limestone |
| (1) | -110.43762, 33.08287 |
|---|
| General form | LENTICULAR, IRREGULAR |
|---|---|
| Strike | N 10 W |
| Dip | 22 SW |
| Length | 76.2M |
| Width | 2.44M |
| Depth to top | 0M |
| Depth to bottom | 42.67M |
| Development status | Occurrence |
|---|---|
| Commodity type | Both |
| Deposit size | Small |
| Significant | No |
| Discovery year | 1939 |
| Discoverer | L.K. Davis |
| Year of first production | 1951 |
| Year of last production | 1951 |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | M002154 | |
| U.S. Bureau of Mines | Minerals Availability System | MAS | 0040090007 |
USBM IC 7990, P. 90-91.
USBM RI 3842, P. 9-10.
USBM-ABGMT FILE DATA.
| Subject category | Comment text |
|---|---|
| Deposit | MANGANIFEROUS FLOAT PRESENT FOR ABOUT 150 FEET NORTH OF THE NORTHERNMOST OPEN CUT. |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-JUL-1979 | Johnson, Kris H. (Creasey, S.C.) | U.S. Geological Survey | |
| Updater | 01-FEB-1982 | Laraba, Peter (Gest, Don E.) | Arizona Bureau of Geology and Mineral Technology |
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.