| Deposit ID | 10068768 |
|---|---|
| MRDS ID | W002016 |
| Record type | Site |
| Current site name | Machsan Lead-Zinc Deposit - 5 |
| Alternate or previous names | Mina Machcan |
| Related records | 10054906 |
| Geographic coordinates: | -76.22472, -10.42293 (WGS84) |
|---|---|
| Elevation | 4200 |
| Relative position | 15 KM N. OF CERRO DE PASCO, 4 KM NORTH OF ATACOCHA. |
Political divisions (FIPS codes)
Pasco(province)
Peru(country)
South America(continent)
Land(continent)
| Country | State |
|---|---|
| Peru | Pasco |
| Commodity | Importance |
|---|---|
| Lead | Primary |
| Zinc Critical | Primary |
| Silver | Primary |
| Materials | Type of material |
|---|---|
| Calamine | Ore |
| Chalcopyrite | Ore |
| Galena | Ore |
| Sphalerite | Ore |
| Calcite | Gangue |
| Host or associated | Associated |
|---|---|
| Rock type | Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Dacite |
| Host or associated | Associated |
|---|---|
| Rock type | Volcanic Rock (Aphanitic) > Intermediate Volcanic Rock > Andesite |
| Host or associated | Host |
|---|---|
| Rock type | Sedimentary Rock > Clastic Sedimentary Rock > Shale |
| Host or associated | Host |
|---|---|
| Rock type | Sedimentary Rock > Clastic Sedimentary Rock > Sandstone |
| Rock unit name | Mitu Group;Pucara Form Ation |
| Rock description | Mitu Group;Pucara Form Ation |
| Host or associated | Host |
|---|---|
| Rock type | Sedimentary Rock > Carbonate > Limestone |
| (1) | -76.22472, -10.42293 |
|---|
| Type of structure | Local |
|---|---|
| Structure description | Shallow Anticline And Syncline In Central Part And Block Faulting In Southeastern Part Of The Area |
| General form | IRREGULAR |
|---|
| Development status | Producer |
|---|---|
| Commodity type | Metallic |
| Significant | No |
| Discovery year | 1925 |
| Year of first production | 1950 |
| District name | Atacocha District |
|---|
| Type | Operator |
|---|---|
| Owner | Compania Minera Proano S. A. |
| Type | Owner |
|---|---|
| Owner | Cipriano Proano And Juan Antonio Proano Of Cerro De Pasco |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | W002016 |
JOHNSON R. F., LEWIS R. W., AND GUILLERNO A. C., 1955, GEOLOGY AND ORE DEPOSITS OF THE ATACOCHA DISTRICT, DEPARTMENTO DE PASCO, PERU, P. 347-377. IN GEOLOGIC INVESTIGATIONS IN THE AMERICAN REPUBLICS U.S. GEOL. SURV. BULL. 975.
PERU-MAPA METALOGENETICO, 1969, AND, GUIA PARA EL MAPA METALOGENETICO DEL PERU, SOCIEDAD NACIONAL DE MINERIA Y PETROLEO, LIMA, PERU, NOV. 1969
COOPERACION PERUANO-ALEMANA, 1977, ESTUDIO DE PRE-FACTIBILIDAD MINA "MAUCHAN": BANCO MINERO DEL PERU, COD B6772.
1955 GEOLMAP JOHNSON, ET AL. U.S.G.S. BULL. 975
1960 COMPILE F.S. SIMONS - UNPUB. REPORT
| Subject category | Comment text |
|---|---|
| Deposit | SEVERAL VEINS AND WORKINGS COMPRISE THE MACHAN DEPOSIT. CONSISTING OF MANY VEINS AND MANTOS HAVING VARYING SIZES, WIDTHS AND TRENDS |
| Deposit | GEOLOGY SIMILAR TO THAT OF ATACOCHA - OXIDATION IS KNOWN TO EXTEND TO OVER 150 M BELOW THE OUTCROPS IN SOME AREAS. ONLY ONE WORKING THE LIZANDRO SUR WAS IN SULFIDE ORE IN 1955. SEE RECORD NUMBER PAS0028. |
| Deposit | First Production Year: 1950 SIGNIFICANT PRODUCTION |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-MAR-1973 | Goudarzi, Gus H. | U.S. Geological Survey | |
| Updater | 01-JUL-1994 | Page, Norman J. | U.S. Geological Survey |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.