| Deposit ID | 10068784 |
|---|---|
| MRDS ID | W002034 |
| Record type | Site |
| Current site name | San Juan De Lucanas Gold and Silver - 18 |
| Related records | 10304291 |
| Geographic coordinates: | -74.16634, -14.6561 (WGS84) |
|---|---|
| Elevation | 2700 |
| Relative position | 10 KM NW. OF PUQUIO; 590 KM S OF LIMA |
Political divisions (FIPS codes)
Ayacucho(province)
Peru(country)
South America(continent)
Land(continent)
| Country | State |
|---|---|
| Peru | Ayacucho |
| Commodity | Importance |
|---|---|
| Silver | Primary |
| Gold | Primary |
| Lead | Secondary |
| Copper | Secondary |
| Materials | Type of material |
|---|---|
| Argentite | Ore |
| Chalcopyrite | Ore |
| Polybasite | Ore |
| Proustite | Ore |
| Pyrargyrite | Ore |
| Pyrite | Ore |
| Silver | Ore |
| Sphalerite | Ore |
| Calcite | Gangue |
| Quartz | Gangue |
| Rhodonite | Gangue |
| Galena | Unknown |
| Result | 57.9 % SI02, 1.8 % ALZ03, 7.85 % CAO, 0.76 % MGO, 13.62 % MNO, 2.59 % S, 8.55 % C02, 0.14 % CU, 0.44 % PB, 1.1 % ZN, 1.8 % FE, 588.4 G/TON AG, 19.4 G/TON AU |
|---|
| Host or associated | Host | ||||
|---|---|---|---|---|---|
| Rock type | Volcanic Rock (Aphanitic) | ||||
| Rock unit name | Tocasa Formation | ||||
| Rock description | Tocasa Formation | ||||
| |||||
| (1) | -74.16634, -14.6561 |
|---|
| Type of structure | Local |
|---|---|
| Structure description | Two Fracture Systems, One Strikes North And Other 45-70 Deg. East. |
| General form | IRREGULAR |
|---|
| Development status | Past Producer |
|---|---|
| Commodity type | Metallic |
| Deposit size | Medium |
| Significant | No |
| Discovery year | 1677 |
| Discoverer | Not Known |
| Year of first production | 1945 |
| Type | Operator |
|---|---|
| Owner | San Juan De Lucanas Unidad Minera |
| Type | Owner |
|---|---|
| Owner | Compania Minera San Juan De Lucanas |
| Year | 1954 | |||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Period | 1951 - 1954 | |||||||||||||||||||||
| Material | ORE | |||||||||||||||||||||
| Accuracy | Accurate | |||||||||||||||||||||
| Description | Cp_Grade: ^330 G Ag/Ton & 5 G Au/Ton | |||||||||||||||||||||
| ||||||||||||||||||||||
| Year | 1955 | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Material | AG | ||||||||||||||
| Accuracy | Accurate | ||||||||||||||
| Description | Ap_Grade: ^6 To 10 Oz Ag Per Ton(Formari And Vilca, 1979) | ||||||||||||||
| |||||||||||||||
| Type | In-situ | ||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Estimate year | 1990 | ||||||||||||||||||||||||||||
| Total resources | 292530000mt ore | ||||||||||||||||||||||||||||
| |||||||||||||||||||||||||||||
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | W002034 |
PERU-MAPA METALOGENETICO, 1969, AND, GUIA PARA EL MAPA METALOGENETICO DEL PERU, SOCIEDAD NACIONAL DE MINERIA Y PETROLEO, LIMA, PERU, NOV. 1969
SIMONS, F. S., 1960, THE MINERAL DEPOSITS OF PERU, U.S. GEOLOGICAL SURVEY UNPUB. REPORT P. 548-542
FORMARI, MICHEL, AND VILCA NEYNA, CESAR, 1979, MINERALIZATION ARGENTIFERA ASOCIADA AL VOLCANISMO CENOZOICO EN LA FAJA PUQUIO-CAILLOMA: SOCIEDAD GEOLOGICA DEL PERU BOL., V.60, P. 101-128.
CAVANAGH, J. AND GLOVER, M., 1991, THE PERU REPORT'S GUIDE TO MINES AND MINERS IN PERU: LIMA, PERU, PERU REPORTING SERVICIOS S.R.L., P. 263-265.
NOBLE, D.C. AND VIDAL, C.E., 1994, GOLD IN PERU: SEG NEWSLETTER, APRIL 1994, NO. 17, P. 1, 6-13.
1960 COMPILE SIMONS F. S. UNPUB. REPOR
SIMONS (REF.) P. 549; CAVANAGH AND GLOVER (1991); NOBLE AND VIDAL (1994).
NO DATA AVAILABLE TO ESTIMATE 5/73
| Subject category | Comment text |
|---|---|
| Deposit | SEVERAL VEINS ARE PRESENT, BUT TWO SYSTEMS ARE RECOGNIZED. VEINS OF ONE SYSTEM STRIKE N. AND DIP WEST (SANTA ROSA AND VENTANILLA) AND OTHERS (SARAMARCA, CONCEPCION, AND SEVERAL OTHERS) STRIKE N-45-70-E AND ARE VERTICAL. THE VEINS ATTAIN LENGTHS OF MORE THAN 1 KM, VERTICAL EXTENTS OF 350 M OR MORE AND WIDTHS OF AS MUCH AS 13 M. SANTA ROSA HAS BEEN THE PRINCIPAL PRODUCER AND HAS BEEN TRACED FOR 2 KM. |
| Deposit | First Production Year: 1945 MODERN MINING |
| Deposit | Discovery Year: COLONIAL PERIOD |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-MAY-1973 | Goudarzi, Gus H. (Theune, C. T.) | U.S. Geological Survey | |
| Updater | 01-MAY-1981 | Ericksen, George E. | U.S. Geological Survey | |
| Updater | 01-JUL-1993 | Page, Norman J. | U.S. Geological Survey | |
| Updater | 01-MAY-1994 | Page, Norman J. | U.S. Geological Survey |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.