| Deposit ID | 10048860 |
|---|---|
| MRDS ID | MX00030 |
| Record type | Site |
| Current site name | El Creston |
| Related records | 10279590 |
| Geographic coordinates: | -110.6576, 29.93074 (WGS84) |
|---|---|
| Relative position | 70 KM NE OF HERMOSILLO. |
Political divisions (FIPS codes)
Pima(county)
Arizona(state)
United States(country)
North America(continent)
Land(continent)
| Country | State |
|---|---|
| Mexico | Sonora |
| Commodity | Importance |
|---|---|
| Molybdenum | Primary |
| Copper | Secondary |
| Lead | Tertiary |
| Zinc Critical | Tertiary |
| Materials | Type of material |
|---|---|
| Chalcocite | Ore |
| Chalcopyrite | Ore |
| Molybdenite | Ore |
| Sphalerite | Ore |
| Chlorite | Gangue |
| Epidote | Gangue |
| Kaolin | Gangue |
| Pyrite | Gangue |
| Quartz | Gangue |
| Sericite | Gangue |
| Tourmaline | Gangue |
| Result | MO CONTENT NOT REPORTED |
|---|---|
| Result | 0.001% TO >0.15% CU |
| Result | VERY LOW W, AG, AU. |
| Model code | 80 |
|---|---|
| USGS model code | 21b |
| Deposit model name | Porphyry Mo, low-F |
| Host or associated | Associated | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Rock type | Plutonic Rock > Granitoid > Quartz Monzonite | ||||||||
| |||||||||
| Host or associated | Associated |
|---|---|
| Rock type | Plutonic Rock > Mafic Intrusive Rock > Diorite |
| Rock unit name | Sonoran Batholith |
| Rock description | Sonoran Batholith |
| Host or associated | Host |
|---|---|
| Rock type | Plutonic Rock > Mafic Intrusive Rock > Diorite |
| Host or associated | Host |
|---|---|
| Rock type | Metamorphic Rock > Gneiss |
| Rock unit name | Creston Granite;Meztli Diorite |
| Rock description | Creston Granite;Meztli Diorite |
| (1) | -110.6576, 29.93074 |
|---|
| Type of structure | Regional |
|---|---|
| Structure description | Within Large Roof Pendant Of Metamorphic Rocks Overlying Sonoran Batholith. |
| Type of structure | Local |
| Structure description | Two Major Low-Angle Faults, Subparallel; Gemini Fault: N 60 W, 30 Ne Dip, 200 M Dip-Slip. Creston Fault: 30-35 Ne Dip, 450 M Dip-Slip. |
| General form | STOCKWORK, BRECCIA, DISSEMINATED |
|---|
| Development status | Occurrence |
|---|---|
| Commodity type | Metallic |
| Deposit size | Medium |
| Significant | No |
| District name | Hermosillo/Opodepe |
|---|
| Type | Operator |
|---|---|
| Owner | Compania Minera Fresnillo, S. A. |
| First year | 1981 |
| Type | Owner |
|---|---|
| Owner | Minera Opodepe, S. De R. L. De C. V. |
| First year | 1981 |
| Type | In-situ | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Estimate year | 1983 | ||||||||||||||
| Total resources | 2000000mt ore | ||||||||||||||
| |||||||||||||||
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | MX00030 |
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.
THEODORE, T.G. AND MENZIE, W.D., 1983, FLOURINE-DEFICIENT PORPHYRY MOLYBDENUM DEPOSITS IN THE WESTERN NORTH AMERICA CORDILLERA: PROCEEDINGS OF I AGOD SYMPOSIUM, TBIKIS, USSR, SEPT. 1982.
LEON, F.L., AND MILLER, C.P., 1981, GEOLOGY OF THE CRESTON MOLYBDENUM-COPPER DEPOSIT IN ORTLIEB, L. AND ROLDAN Q., J., (EDS.), 1981, GEOLOGY OF NORTHWESTERN MEXICO AND SOUTHERN ARIZONA; FIELD GUIDES AND PAPERS: HERMOSILLO, MEXICO, U.N.A.M., P. 223-238.
LEON, F.L., AND MILLER, C.P., 1981, GEOLOGY OF THE CRESTON MOLYBDENUM-COPPER DEPOSIT, OPODEPE, SONORA, MEXICO: GSA ABSTRACTS WITH PROGRAMS, V. 13, NO. 2, P. 66.
SUTULOV, A., 1983, INTERMET MOLYBDENUM YEARBOOK 1983: SANTIAGO, CHILE, INTERMET PUBLICATIONS, 297 P.
COX, D.P., AND SINGER, D.A., 1986, MINERAL DEPOSIT MODELS: USGS BULLETIN 1693, 379 P.
| Subject category | Comment text |
|---|---|
| Deposit | MOLYBDENITE MINERALIZATION CONSISTS OF 1> QUARTZ VEINS 0.5 TO 5.0 CM WIDE (MAX 30 CM) CONTAINING MOLYBDENITE-PYRITE-RARE CHALCOPYRITE ASSEMBLAGE IN CRESTON "GRANITE"(70%); 2> FINELY DISSEMINATED MOLYBDENITE IN QUARTZ MATRIX OF COLLAPSE-TYPE BRECCIA (20%); AND 3> COARSELY DISSEMINATED MOLYBDENITE IN SHORT, ERRATIC ZONES OF MASSIVE SERICITE LESS THAN 30 CM WIDE IN CRESTON "GRANITE" (5-10%). ECONOMIC CU MINERALIZATION CONSISTS OF THIN FILMS OF CHALCOCITE COATING FINELY DISSEMINATED PYRITE AND PYRITE IN QUARTZ VEINS OCCUPYING ZONES IN MEZTLI DIORITE UP TO 50 M THICK WITH SHORT INTERCEPTS GRADING > 0.15% CU. HYPOGENE CU MINERALIZATION: VERY LOW GRADE (0.001-0.1% CU), CHALCOPYRITE IN QUARTZ VEINLETS WITH PYRITE, RARE SPHALERITE AND MOLYBDENITE. OXIDE ZONE MINERALS: ILSEMANITE, FERRIMOLYBDENITE, CHALCANTHITE, BROCHANTITE, TURQUOISE. DEPTH TO BOTTOM OF OXIDIZED ZONE: 73 M (AVE 60 M). |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-JUL-1987 | Staude, John-Mark G. (Page, Norman J.) | U.S. Geological Survey | |
| Updater | 01-APR-1988 | Leonard, Kenneth R. | U.S. Geological Survey |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.