| Deposit ID | 10107373 |
|---|---|
| MRDS ID | W031437 |
| Record type | Site |
| Current site name | Los Negros Mine |
| Alternate or previous names | Vein: San Carlos, Los Negros, Manto: Argolla |
| Geographic coordinates: | -78.60979, -6.75753 (WGS84) |
|---|---|
| Elevation | 3250 |
| Location accuracy | 1000(meters) |
| Relative position | 2000 M N41E OF HUALGAYOC, BETWEEN CERROS JESUS AND SANTO CRISTO. |
Political divisions (FIPS codes)
Cajamarca(province)
Peru(country)
South America(continent)
Land(continent)
| Country | State |
|---|---|
| Peru | Cajamarca |
| Commodity | Importance |
|---|---|
| Silver | Primary |
| Lead | Secondary |
| Zinc Critical | Secondary |
| Copper | Secondary |
| Materials | Type of material |
|---|---|
| Chalcopyrite | Ore |
| Pyrite | Ore |
| Sphalerite | Ore |
| Tetrahedrite | Ore |
| Barite | Gangue |
| Calcite | Gangue |
| Quartz | Gangue |
| Rhodonite | Gangue |
| Host or associated | Associated | ||||
|---|---|---|---|---|---|
| Rock type | Plutonic Rock > Mafic Intrusive Rock > Diorite | ||||
| |||||
| Host or associated | Host |
|---|---|
| Rock type | Sedimentary Rock > Clastic Sedimentary Rock > Shale |
| Host or associated | Host |
|---|---|
| Rock type | Sedimentary Rock > Clastic Sedimentary Rock > Siltstone |
| Host or associated | Host |
|---|---|
| Rock type | Sedimentary Rock > Clastic Sedimentary Rock > Sandstone |
| Host or associated | Host |
|---|---|
| Rock type | Sedimentary Rock > Carbonate > Limestone |
| (1) | -78.60979, -6.75753 |
|---|
| Name | GENERAL MODEL |
|---|---|
| General form | TABULAR |
| Strike | N85E}N85E |
| Dip | 45S TO VERTICAL}75NW |
| Thickness | 0.1M |
| Length | 500M |
| Depth to top | 0M |
| Depth to bottom | 100M |
| Name | LOS NEGROS VEIN |
|---|---|
| General form | TABULAR |
| Strike | N85E}N85E |
| Dip | 45S TO VERTICAL}75NW |
| Development status | Producer |
|---|---|
| Commodity type | Metallic |
| Deposit size | Medium |
| Significant | No |
| Discovery year | 1898 |
| Year of first production | 1898 |
| District name | Hualgayoc Mining District |
|---|
| Ownership category | Private |
|---|
| Type | Owner |
|---|---|
| Owner | Companhia Minera Cesar Alejandro Miranda S. A. |
| Type of workings | Underground |
|---|---|
| Overall length | 1828.8M |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | W031437 |
ERICKSEN, G. E., 1954, GEOLOGY OF THE HUALGAYOC MINING DISTRICT, DEPARTAMENTO DE CAJAMARCA, PERU: NEW YORK, COLUMBIA UNIVERSITY PHD THESIS, 239 P.
FLORES, P.G., VARGAS, V.V., AND MERE, J.Q., 1986, INFORME DERECHO MINERO LOS NEGROS: INGEMMET B3693.
MEDINA L., J., 1975, MINA LOS NEGROS: INGEMMET B4319.
ERICKSEN (1954).
| Subject category | Comment text |
|---|---|
| Deposit | SEE RECORD NUMBER CAJ0037. ; INFO.SRC : 1 PUB LIT |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-APR-81 | Ericksen, George E. | U.S. Geological Survey | |
| Updater | 01-JUL-94 | Page, Norman J. | U.S. Geological Survey |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.