| Deposit ID | 10048317 |
|---|---|
| MRDS ID | M899887 |
| Record type | Site |
| Current site name | Grand Pacific Mine |
| Alternate or previous names | Pacific Mine, Pacific Group |
| Related records | 10283301 |
| Geographic coordinates: | -111.07098, 33.26981 (WGS84) |
|---|---|
| Elevation | 1158 |
| Relative position | ABOUT 0.4 MILES BELOW APACHE LEAP IN PACIFIC CANYON |
Political divisions (FIPS codes)
Pinal(county)
Arizona(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Superior(quadrangle 1:24,000 scale)
Mesa(quadrangle 1:100,000 scale)
Mesa(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Middle Gila(hydrologic unit)
Middle Gila(hydrologic accounting unit)
Middle Gila(hydrologic subregion)
Lower Colorado(hydrologic region)
Federal lands
Tonto National Forest(National Forest)
National Forest FS(Type of land area)
FS(Federal land areas administered by FS)
| Country | State | County |
|---|---|---|
| United States | Arizona | Pinal |
| Meridian | Township | Range | Section | Fraction | State |
|---|---|---|---|---|---|
| Gila and Salt River | 002S | 012E | 12 | CENTER OF N2 OF S2 | Arizona |
| Commodity | Importance |
|---|---|
| Copper | Primary |
| Silver | Secondary |
| Gold | Secondary |
| Manganese Critical | Secondary |
| Materials | Type of material |
|---|---|
| Cuprite | Ore |
| Calcite | Gangue |
| Pyrite | Gangue |
| Quartz | Gangue |
| Host or associated | Associated | ||||
|---|---|---|---|---|---|
| Rock type | Plutonic Rock > Mafic Intrusive Rock > Diorite > Diabase | ||||
| |||||
| Host or associated | Host |
|---|---|
| Rock type | Sedimentary Rock > Carbonate > Limestone |
| Rock unit name | Escabosa Limestone;Martin Limestone |
| Rock description | Escabosa Limestone;Martin Limestone |
| (1) | -111.07098, 33.26981 |
|---|
| Type of structure | Regional |
|---|---|
| Structure description | Nw Trending Fault Systems, Ne Trending Fault Systems |
| Type of structure | Local |
| Structure description | Nw Trending Iron Cap Fault, Ne Trending Sandal Fault |
| General form | LENTICULAR |
|---|---|
| Strike | N50E |
| Dip | 70SW |
| Thickness | 3.05M |
| Length | 30.48M |
| Development status | Producer |
|---|---|
| Commodity type | Metallic |
| Deposit size | Small |
| Significant | No |
| Discovery year | 1900 |
| Discoverer | John Sandal |
| Year of first production | 1916 |
| Year of last production | 1955 |
| District name | Pioneer District |
|---|
| Ownership category | Private |
|---|
| Type | Operator |
|---|---|
| Owner | Juan Ortega |
| First year | 1955 |
| Type | Owner |
|---|---|
| Owner | Fredricks Smith |
| First year | 1951 |
| Type of workings | Underground |
|---|---|
| Length | 1645.92M |
| Overall depth | 76.2M |
| Overall length | 579.12M |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | M899887 | |
| U.S. Bureau of Mines | Minerals Availability System | MAS | 0040210485 |
ABGMT CLIPPINGS FILES
ABGMT-USBM FILE DATA
USBM FILES
SHORT, M.N., GEOLOGY AND ORE DEPOSITS OF THE SUPERIOR MINING AREA, ARIZONA, 1943, ABM BULLETIN 151, P. 158
FARNHAM, L.L., MANGANESE DEPOSITS OF EASTESRN ARIZONA, 1961, USBM IC 7990, P. 124, 126, 141
RANSOME, F.L., DEPOSITS OF MANGANESE ORE IN ARIZONA, 1919, USGS 710 P 165
| Subject category | Comment text |
|---|---|
| Deposit | ORE DEPOSITS IN E-W FAULT ZONES |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-MAR-1982 | Roth, Frances A. (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.