| Deposit ID | 10057456 |
|---|---|
| MRDS ID | TC03004 |
| Record type | Site |
| Current site name | La Grande |
| Alternate or previous names | Collahuasi, Rosario, Huinquita Oxide, Ujina, La Grande Deposits |
| Geographic coordinates: | -68.69618, -20.97257 (WGS84) |
|---|---|
| Elevation | 4700 |
| Relative position | 180 KM SE OF IQUIQUE, 3 KM S OF ROSARIO. 10 KM NE OF QUEBRADA BLANCA PORPHYRY COPPER DEPOSIT. |
Political divisions (FIPS codes)
Chile(country)
South America(continent)
Land(continent)
| Country |
|---|
| Chile |
| Commodity | Importance |
|---|---|
| Copper | Primary |
| Gold | Secondary |
| Materials | Type of material |
|---|---|
| Bornite | Ore |
| Chalcocite | Ore |
| Chalcopyrite | Ore |
| Enargite | Ore |
| Pyrite | Ore |
| Quartz | Gangue |
| Sericite | Gangue |
| Model code | 53 |
|---|---|
| USGS model code | 17 |
| Deposit model name | Porphyry Cu |
| Mark3 model number | 4 |
| Host or associated | Host |
|---|---|
| Rock type | Volcanic Rock (Aphanitic) |
| Host or associated | Host |
|---|---|
| Rock type | Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Rhyolite |
| Rock unit name | Collahuasi Porphyry; |
| Rock description | Collahuasi Porphyry; |
| Host or associated | Host |
|---|---|
| Rock type | Volcanic Rock (Aphanitic) > Intermediate Volcanic Rock > Andesite |
| (1) | -68.69618, -20.97257 |
|---|
| Type of structure | Regional |
|---|---|
| Structure description | Upthrown Block Of Permo-Triassic Rocks In Fault Contact On The West (West Fissure Fault, Nw Trending) Jurassic Marine Sediments And On The East In Fault Contact With Tertiary Volcanics (Loa Fault, Nw-Trending). Hydrothermal Systems In District Are Aligned E-W. |
| Development status | Prospect |
|---|---|
| Commodity type | Metallic |
| Deposit size | Large |
| Significant | No |
| Discoverer | Incas |
| Year of first production | 1896 |
| District name | Collahuasi, Quebrada Blanca |
|---|
| Type | Owner-Operator |
|---|---|
| Owner | Anglo American-Minorco |
| Interest | 33 |
| Type | Owner |
|---|---|
| Owner | Falconbridge Ltd. |
| Interest | 33 |
| Type | Owner |
|---|---|
| Owner | Shehl Chile Billiton |
| Interest | 33 |
| Type | Operator |
|---|---|
| Owner | English And French Mining Co. |
| First year | 1890 |
| Last year | 1930 |
| Year | 1930 | |||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Period | 1900-1930 | |||||||||||||||||||||
| Material | ORE (1) | |||||||||||||||||||||
| Accuracy | Estimate | |||||||||||||||||||||
| Description | Cp_Grade: ^30% Cu, 200 G/M Ag | |||||||||||||||||||||
| ||||||||||||||||||||||
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | TC03004 |
FRUTOS, J. AND PINCHEIRA, M., 1986, FICHAS METALOGENICAS DE YACIMIENTOS MINERALES METALICOS CHILENOS, IN FRUTOS, J., OYARZUN, J., AND PINCHEIRA, M., EDS., GEOLOGIA Y RECURSOS MINERALES CHILENOS: UNIVERSIDAD DE CONCEPCION, CONCEPCION, P. 841-888.
RUIZ, C. AND PEEBLES, F., 1988, YACIMIENTOS METALIFEROS DE CHILE: SANTIAGO, 334 P.
PACCI, D. Y CACERES, R., 1980, INVENTARIO DE YACIMIENTOS METALICOS Y NO-METALICOS, PRIMERA REGION, TARAPACA: IIG, SANTIAGO.
LITTLE, M.L., 1993, EXPLORATION REVIEW: SOUTH AMERICA: SEG NEWSLETTER, NO. 15, OCTOBER '93, P. 14.
CIMRI
DICK ET AL (1994).
| Subject category | Comment text |
|---|---|
| Deposit | COVERS AREA OF 70 SQ KM. >200,000T. VEIN SYSTEM THAT IS AU-BEARING IN ITS UPPER PART, LOWER PART IS BORNITE-RICH AND AU-POOR AND OCCURS ADJACENT TO DISSEMINATED PORPHYRY-STYE MINERALIZATION. DRAINAGE TO THE SOUTH CONTAINS PLACER AU DEPOSITS. ACCESSIBLE UPPER LEVELS EXPOSE LARGE PODS OF BORNITE-RICH ORES SURROUNDED BY OXIDIZED ZONES WITH COPPER ARSENATE. |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-JAN-1990 | Williams, William C. | University of Arizona | |
| Updater | 01-NOV-1994 | Page, Norman J. | U.S. Geological Survey |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.
MRDS records operators as of each record's last update (≤ 2019). Some of the operators listed here have since changed hands or dissolved:
Curated by qvyshift.com from publicly-reported M&A activity (SEC filings, press releases, USGS Mineral Yearbooks). Not authoritative — verify against primary sources before relying on it. The MSHA panel above is the current authoritative source for actively-permitted mines.