| Deposit ID | 10049537 |
|---|---|
| MRDS ID | MX02277 |
| Record type | Site |
| Current site name | Placer De Guadalupe |
| Alternate or previous names | La Virgen, Bolanos, San Blas |
| Related records | 10182668 |
| Geographic coordinates: | -105.43385, 29.14606 (WGS84) |
|---|
Political divisions (FIPS codes)
Pima(county)
Arizona(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Presidio(quadrangle 1:250,000 scale)
| Country | State |
|---|---|
| Mexico | Chihuahua |
| Commodity | Importance |
|---|---|
| Gold | Primary |
| Uranium | Primary |
| Copper | Tertiary |
| Materials | Type of material |
|---|---|
| Chalcopyrite | Ore |
| Gold | Ore |
| Magnetite | Ore |
| Pyrite | Ore |
| Uraninite | Ore |
| Calcite | Gangue |
| Limonite | Gangue |
| Malachite | Gangue |
| Pyrolusite | Gangue |
| Quartz | Gangue |
| Uranophane | Gangue |
| Result | AVG. GRADE: 30 G/TON AU |
|---|
| Host or associated | Associated | ||
|---|---|---|---|
| Rock type | Plutonic Rock > Mafic Intrusive Rock > Diorite | ||
| |||
| Host or associated | Host |
|---|---|
| Rock type | Sedimentary Rock > Carbonate > Limestone |
| (1) | -105.43385, 29.14606 |
|---|
| Development status | Past Producer |
|---|---|
| Commodity type | Metallic |
| Deposit size | Small |
| Significant | No |
| Discovery year | 1868 |
| District name | /Aldama |
|---|
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | MX02277 |
GONZALEZ REYNA, J., 1956, MEMORIA GEOLOGICO-MINERA DEL ESTADO DE CHIHUAHUA: CONGRESO GEOLOGICO INTERNACIONAL, 20TH, DURANGO, MEXICO, 1956, P. 185-192.
GONZALEZ REYNA, J., 1946, LOS CRIADEROS DE URANIO Y ORO EN PLACER DE GUADALUPE Y PUERTO DEL AIRE, ESTADO DE CHIHUAHUA: COMITE DIRECTIVO PARA LA INVESTIGACION DE LOS RECURSOS MINERALES DE MEXICO (CRNNR BOLETIN 5).
CLARK, K.F, AND PONCE, S., B.F., 1983
BRIDGES, L.W., 1964A,
BRIDGES, L.W., 1964B,
BRIDGES, L.W., 1970,
| Subject category | Comment text |
|---|---|
| Deposit | MID. JURASSIC SEDIMENTS OVERLAY APPROXIMATELY 7,000 M OF PALEOZOIC SEDIMENTS (ORDOVICIAN TO PERMIAN). ACCORDING TO CLARK AND PONCE, 1983, NO WHERE IN CHIHUAHUA IS THERE EVIDENCE OF LATE PERMIAN- E JURASSIC SEDIMENTS. ; INFO.SRC : 1 PUB |
| Deposit | AU AND URANINITE IN QUARTZ-CALCITE VEINS AND STRINGERS, NW-TRENDING, UP TO 4 M WIDE. PORPHYRY HANGING WALL AND SHALEY LIMESTONE FOOTWALL. AU AND U VALUES FLUCTUATED WITH COMPOSITION OF GANGUE. CALCITE > QUARTZ: GOOD VALUES OF AU AND U. CALCITE = QUARTZ: LOWER GRADE AU-U. QUARTZ > CALCITE: AU WITH LITTLE OR NO U. QUARTZ ONLY: BARREN. |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-MAY-1988 | Leonard, Kenneth R. (Page, Norman J.) | U.S. Geological Survey | |
| Updater | 01-AUG-1991 | Kibbe, R.D. (Staude, J-M.G.) | U.S. Geological Survey |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.