| Deposit ID | 10048993 |
|---|---|
| MRDS ID | MX00197 |
| Record type | Site |
| Current site name | El Tiro |
| Related records | 10230011 |
| Geographic coordinates: | -111.74236, 30.29184 (WGS84) |
|---|---|
| Relative position | 50 KM E OF CABORCA AND 40 KM W OF SANTA ANA, NEARBY MINES INCLUDE LA CIENEGA (AU), EL ALAMO (AU), LA CAROLINA (AU-CU), EL BOLUDO---EL PUERTO---LA SIERRITA (AU). |
Political divisions (FIPS codes)
Pima(county)
Arizona(state)
United States(country)
North America(continent)
Land(continent)
| Country | State |
|---|---|
| Mexico | Sonora |
| Commodity | Importance |
|---|---|
| Gold | Primary |
| Copper | Primary |
| Host or associated | Associated | ||||
|---|---|---|---|---|---|
| Rock type | Metamorphic Rock > Gneiss | ||||
| |||||
| Host or associated | Associated |
|---|---|
| Rock type | Metamorphic Rock > Gneiss > Migmatite |
| Host or associated | Associated |
|---|---|
| Rock type | Metamorphic Rock > Amphibolite |
| Host or associated | Associated |
|---|---|
| Rock type | Plutonic Rock > Granitoid > Granite |
| (1) | -111.74236, 30.29184 |
|---|
| Development status | Past Producer |
|---|---|
| Commodity type | Metallic |
| Deposit size | Small |
| Significant | No |
| District name | Cananea |
|---|
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | MX00197 |
PEREZ SEGURA, EFREN, 1985, CARTA METALOGENETICA DE SONORA 1:250000 UNA INTERPRETACION DE LA METALOGENIA DE SONORA: UNIV. OF SONORA, DEPT. OF GEOL., HERMOSILLO, MEXICO, 66 P.
GILES, D.A., SILBERMAN, M.L., AND WENRICH, K.J., 1986, GNEISS HOSTED GOLD DEPOSITS IN NORTHERN SONORA, MEXICO: UNPUB. USGS FIELD REPORT.
| Subject category | Comment text |
|---|---|
| Deposit | THE ALTAR DESERT REGION OF NW SONORA IS ONE OF THE PRINCIPAL OLD GOLD DISTRICTS OF MEXICO, AND EXTENDS THROUGH THE TOWNS OF STA. ANA, CABORCA AND SONOYTA FOR 30,000 SQ KM. NUMEROUS SMALL MINES OPERATED AT THE TURN OF THE CENTURY, WITH SEV. THOUSAND GAMBUSINOS WORKING AT THE EL BOLUDO, LA CIENEGA, SAN PERFECTO AND VERACRUZ DRY PLACERS. PRESENTLY MINING IS INACTIVE; IN RECENT YEARS LEACH OPERATIONS HAVE WORKED DUMPS AT SIERRA PINTA, CERRO COLORADO AND EL TIRO MINES, AND AU-AG BEARING FLUX ORE SENT TO THE DOUGLAS SMELTER FROM THE SAN PEDRO, BASURA AND TAJITOS VEINS. (GILES, ET AL, 1986). ; INFO.SRC : 1 PUB |
| Deposit | MINERALIZATION OCCURS IN QUARTZ VEINS WITHIN AN AUGEN GNEISS. VEIN DEPOSIT IN PRECAMBRIAN METAMORPHIC ROCKS, THE MINERALIZATION IS BELIEVED TO BE PRECAMBRIAN ALSO. |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-JUL-1987 | Staude, John-Mark G. (Page, Norman J.) | U.S. Geological Survey | |
| Updater | 01-NOV-1987 | Leonard, Kenneth R. (Page, Norman J.) | U.S. Geological Survey |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.