| Deposit ID | 10158581 |
|---|---|
| MAS/MILS ID | 2010130027 |
| Record type | Site |
| Current site name | La Encantada/Contreras |
| Alternate or previous names | La Encantada, Contreras Mine, David Contreras |
| Point of reference | Ore Body |
|---|---|
| Geographic coordinates: | -102.00041, 27.3336 (WGS84) |
| Elevation | 1800 |
| Location accuracy | 1000(meters) |
Political divisions (FIPS codes)
Pima(county)
Arizona(state)
United States(country)
North America(continent)
Land(continent)
| Country | State |
|---|---|
| Mexico | Michoacan De Ocampo |
| Commodity | Importance |
|---|---|
| Lead | Primary |
| Silver | Secondary |
| Materials | Type of material |
|---|---|
| Anglesite | Unknown |
| Cerargyrite | Unknown |
| Cerussite | Unknown |
| Galena | Unknown |
| Goethite | Unknown |
| Hematite | Unknown |
| Limonite | Unknown |
| Sphalerite | Unknown |
| Willemite | Unknown |
| Ore Body (1) | -102.00041, 27.3336 |
|---|
| |||||||||||||||||||||||||||||
| Operation type | Underground |
|---|---|
| Development status | Past Producer |
| Commodity type | Metallic |
| Significant | No |
| Discovery year | 1956 |
| Mining method | Combined Methods |
| Year of first production | 1963 |
| District name | La Encantada District |
|---|
| Type of mineral rights | Unknown |
|---|
| Ownership category | Unknown |
|---|
| Type | Owner-Operator |
|---|---|
| Owner | La Encantada, S. A. |
| Home office | Mexico |
| Year | 1982 |
| Year | 1975 |
|---|---|
| Description | 127248 Mtpy |
| Year | 1976 |
|---|---|
| Description | 135505 Mtpy |
| Year | 1977 |
|---|---|
| Description | 248000 Mtpy |
| Year | 1978 |
|---|---|
| Description | 287383 Mtpy |
| Year | 1979 |
|---|---|
| Description | 256837 Mtpy |
| Type | In-situ | |||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Estimate year | 1975 | |||||||||||||||||||||
| Measured | 1600000mt ore | |||||||||||||||||||||
| Demonstrated | 1600000mt ore | |||||||||||||||||||||
| Total resources | 1600000mt ore | |||||||||||||||||||||
| ||||||||||||||||||||||
| Type | In-situ | |||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Estimate year | 1981 | |||||||||||||||||||||
| Demonstrated | 1793000mt ore | |||||||||||||||||||||
| Total resources | 1793000mt ore | |||||||||||||||||||||
| ||||||||||||||||||||||
| Type of workings | Underground | ||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| |||||||||||||||||||||||||||||||||
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| U.S. Bureau of Mines | Minerals Availability System | MAS | 2010130027 |
MINING ANALYSIS SYSTEM ECON. PLANNING, RTZ 1975, P. 160.
1978 ENGINEERING AND MINING JOURNAL INTERNATIONAL DIRECTORY
OF MINING AND MINERAL PROCESSING OPERATIONS, NEW YORK, MC-
GRAW-HILL, 1978, 315 P.
ANNUAL REPORTS, LACANA MINING CORP., 1975-1979.
CUNNING, KESLER, AND KRYSTIC, LEAD IN MEXICAN MINERAL
DEPOSITS, ECONOMIC GEOLOGY, VOL. 74, NO. 6, P.1407.
ENGINEERING AND MINING JOURNAL, 1978 INTERNATIONAL DIRECTORY
OF MINING AND MINERAL PROCESSING OPERATIONS, NEW YORK,
MCGRAW-HILL, 315 P.
ENGINEERING AND MINING JOURNAL, 1980 INTERNATIONAL DIRECTORY
OF MINING, P.319.
ENGINEERING AND MINING JOURNAL, LA ENCANTADA COPES WITH
COMPLEX PROBLEMS, NOV. 1980, PP.141-143.
LOZEJ, GIAN PAOLO, AND FRANK BEALES, STRATIGRAPHY AND
STRUCTURE OF LA ENCANTADA MINE AREA, COAHUILA, MEXICO,
DEC. 1977, PP.1793-1807.
MINING ANNUAL REVIEW-1980, MEXICO, P.390.
MINING MAGAZINE, LA ENCANTADA, JAN.1980,PP.12-23.
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 03-JAN-1995 | Eastern Field Operations Center (EFOC) | U.S. Bureau of Mines |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.