| Deposit ID | 10303852 |
|---|---|
| MAS/MILS ID | 3350200078 |
| Record type | Site |
| Current site name | Matilde |
| Alternate or previous names | Mina Matilde, Mina Maravillas |
| Point of reference | Ore Body |
|---|---|
| Geographic coordinates: | -68.89953, -15.70772 (WGS84) |
| Elevation | 4250 |
| Location accuracy | 500(meters) |
Political divisions (FIPS codes)
La Paz(province)
Bolivia(country)
South America(continent)
Land(continent)
| Country | State |
|---|---|
| Bolivia | La Paz |
| Commodity | Importance |
|---|---|
| Copper | Tertiary |
| Lead | Tertiary |
| Silver | Tertiary |
| Zinc Critical | Tertiary |
| Materials | Type of material |
|---|---|
| Chalcopyrite | Unknown |
| Galena | Unknown |
| Pyrite | Unknown |
| Siderite | Unknown |
| Sphalerite | Unknown |
| Ore Body (1) | -68.89953, -15.70772 |
|---|
| Strike | N23E | ||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dip | 90N | ||||||||||||||||||||||||||||
| Thickness | 2.5M | ||||||||||||||||||||||||||||
| Length | 500M | ||||||||||||||||||||||||||||
| Width | 465M | ||||||||||||||||||||||||||||
| Area | 10HA | ||||||||||||||||||||||||||||
| Depth to top | 0M | ||||||||||||||||||||||||||||
| |||||||||||||||||||||||||||||
| Operation type | Underground |
|---|---|
| Development status | Past Producer |
| Commodity type | Metallic |
| Significant | No |
| Mining method | Filled Stopes - Horiz Cut and Fill W/Tailings |
| Year of first production | 1926 |
| Milling method | Flotation |
| District name | Ancoraimes |
|---|
| Type of mineral rights | State Lease |
|---|---|
| Type of mineral rights | Minerals Only |
| Ownership category | State |
|---|
| Type | Owner-Operator |
|---|---|
| Owner | Corporacion Minera Bolivia (Comibol) |
| Interest | 100 |
| Home office | Bolivia |
| Year | 1982 |
| Type | In-situ | ||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Estimate year | 0 | ||||||||||||||||||||||||||||
| Demonstrated | 342000mt ore | ||||||||||||||||||||||||||||
| Total resources | 342000mt ore | ||||||||||||||||||||||||||||
| |||||||||||||||||||||||||||||
| Type | In-situ | |||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Estimate year | 1954 | |||||||||||||||||||||||||||||||||||
| Measured | 3000000mt ore | |||||||||||||||||||||||||||||||||||
| Demonstrated | 3000000mt ore | |||||||||||||||||||||||||||||||||||
| Total resources | 3000000mt ore | |||||||||||||||||||||||||||||||||||
| ||||||||||||||||||||||||||||||||||||
| Type of workings | Underground | ||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Overall depth | 250M | ||||||||||||||||||||||||||||
| |||||||||||||||||||||||||||||
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| U.S. Bureau of Mines | Minerals Availability System | MAS | 3350200078 |
AHLFELD, F., 1954, LOS YACIMIENTOS MINERALES DE BOLIVIA: BAN
MINERO DE BOLIVIA, LA PAZ, PG. 169-170, PRINTED IN BILBAO, S
IMPRENTA INDUSTRIAL S. A., IN SPANISH.
ENGINEERING AND MINING JR., 1975, INTERN. DIRECTORY OF MININ
MCGRAW HILL, N. Y., P. 214.
| Subject category | Comment text |
|---|---|
| Deposit | THE PROPERTY CONSISTS OF TWO MINES, THE MATILDE WITH 600 MT PER DAY PRODUCTION AND MARAVILLAS WITH 150 MT/DAY. |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 03-JAN-1995 | Gazdik | U.S. Bureau of Mines |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.