| Deposit ID | 10133544 |
|---|---|
| MAS/MILS ID | 3330270027 |
| Record type | Site |
| Current site name | Unidad San Juan/Millotingo |
| Alternate or previous names | San Juan, Millotingo Mine |
| Point of reference | Main Entrance |
|---|---|
| Geographic coordinates: | -76.29972, -12.13116 (WGS84) |
| Elevation | 4000 |
| Location accuracy | 10000(meters) |
Political divisions (FIPS codes)
Lima(province)
Peru(country)
South America(continent)
Land(continent)
| Country | State |
|---|---|
| Peru | Lima |
| Commodity | Importance |
|---|---|
| Silver | Primary |
| Main Entrance (1) | -76.29972, -12.13116 |
|---|
| Operation type | Underground |
|---|---|
| Development status | Plant |
| Commodity type | Metallic |
| Significant | Yes |
| Discovery year | 1950 |
| Mining method | Shrinkage Methods |
| Year of first production | 1958 |
| Plant type | Beneficiation (Mill) |
| Plant subcategory | Flotation |
| Milling method | Unspecified |
| District name | San Mateo |
|---|
| Type of mineral rights | Private Lease |
|---|---|
| Type of mineral rights | Minerals Only |
| Ownership category | Private |
|---|
| Type | Owner-Operator |
|---|---|
| Owner | Cia. Minera Millotingo S. A. |
| Interest | 100 |
| Home office | Peru |
| Year | 1991 |
| Year | 1977 | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Description | Commodity Production 3530 Oz Gold | ||||||||||||||
| |||||||||||||||
| Year | 1977 | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Description | Commodity Production 1149317 Oz Silver | ||||||||||||||
| |||||||||||||||
| Year | 1988 | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Description | Commodity Production 637066 Oz Silver | ||||||||||||||
| |||||||||||||||
| Year | 1989 | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Description | Total Silver Production 812191 Oz Per Year | ||||||||||||||
| |||||||||||||||
| Year | 1990 | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Description | Total Silver Production 798881 Oz Per Year | ||||||||||||||
| |||||||||||||||
| Year | 1990 |
|---|---|
| Description | Ore Production 144550 Mt Ore Per Year |
| Year | 1990 |
|---|---|
| Description | Ore Production 350 Mt Per Day |
| Year | 1991 |
|---|---|
| Description | Ore Production 320 Mt Ore Per Day |
| Type | In-situ | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Estimate year | 1991 | ||||||||||||||
| Measured | 587543mt ore | ||||||||||||||
| Indicated | 251564mt ore | ||||||||||||||
| Demonstrated | 839107mt ore | ||||||||||||||
| Total resources | 839107mt ore | ||||||||||||||
| |||||||||||||||
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| U.S. Bureau of Mines | Minerals Availability System | MAS | 3330270027 |
PURSER, W.F., METAL MINING IN PERU, PAST AND PRESENT,
PRAEGER PUB., NEW YORK, 1971, P. 130-131.
U.S. DEPT. OF STATE AIRGRAM FROM U.S. EMBASSY IN LIMA, DEC.
21, 1978.
PANORAMA PETROLERO, CARTA MINERA, APRIL 1991, PP 22, 42.
THE PERU REPORT'S - "LAS MINAS DEL PERU" - "MINES AND MINERS
IN PERU".
| Subject category | Comment text |
|---|---|
| Deposit | ALL 1990, 91 DATA IS BASED ON BIBLIO. REF 006, 007. THIS MINE BEGAN PRODUCTION IN 1958. PROPERTY WAS NEVER EVALUATED. 6/27/97--CONFIRMED WITH COUNTRY SPEC. THAT MINE IS PRODUCING. |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 20-JUN-97 | Peterson, Gary R. | U.S. Bureau of Mines |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.