| Deposit ID | 10068859 |
|---|---|
| MRDS ID | W002128 |
| Record type | Site |
| Current site name | Brejui |
| Alternate or previous names | Mina Brejui, Barra Verde, Boca De Laje |
| Geographic coordinates: | -36.58221, -6.31472 (WGS84) |
|---|
Political divisions (FIPS codes)
Rio Grande Do Norte(province)
Brazil(country)
South America(continent)
Land(continent)
| Country | State |
|---|---|
| Brazil | Rio Grande Do Norte |
| Commodity | Importance |
|---|---|
| Tungsten Critical | Primary |
| Molybdenum | Secondary |
| Materials | Type of material |
|---|---|
| Molybdenite | Ore |
| Scheelite | Ore |
| Bismuth | Gangue |
| Calcite | Gangue |
| Feldspar | Gangue |
| Fluorite | Gangue |
| Pyrite | Gangue |
| Wollastonite | Gangue |
| Zoisite | Gangue |
| Model code | 42 |
|---|---|
| USGS model code | 14a |
| Deposit model name | W skarn |
| Host or associated | Associated | ||||||
|---|---|---|---|---|---|---|---|
| Rock type | Plutonic Rock > Granitoid > Granite | ||||||
| |||||||
| Host or associated | Host |
|---|---|
| Rock type | Metamorphic Rock > Schist |
| Host or associated | Host |
|---|---|
| Rock type | Metamorphic Rock > Gneiss |
| Host or associated | Host |
|---|---|
| Rock type | Metamorphic Rock > Skarn (Tactite) |
| (1) | -36.58221, -6.31472 |
|---|
| Type of structure | Regional |
|---|---|
| Structure description | Open Syncline Plunging South 5 Degrees |
| Type of structure | Local |
| Structure description | North-Trending Fault |
| General form | IRREGULAR AND LINEAR |
|---|---|
| Plunge | 5 DEG |
| Plunge direction | SOUTH |
| Thickness | 15M |
| Length | 9000M |
| Width | 1300M |
| Development status | Producer |
|---|---|
| Commodity type | Metallic |
| Significant | No |
| Discovery year | 1942 |
| Discoverer | Johnston, W.D, And Vasconcellos, F.M. |
| Year of first production | 1943 |
| Type | Owner-Operator |
|---|---|
| Owner | Mineracao Tomas Salustino |
| Year | 1971 | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Material | W | ||||||||||||||
| Accuracy | Accurate | ||||||||||||||
| Description | Ap_Grade: ^70. % Wo3 | ||||||||||||||
| |||||||||||||||
| Type of workings | Underground |
|---|---|
| Area | 19.5HA |
| Overall length | 1188.72M |
| Overall width | 150M |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | W002128 |
WHITE, M.G., 1973, TIN AND TUNGSTEN RESOURCES OF BRAZIL.
CESAR, P. DE A.B., 1984, PRINCIPAIS DEPOSITOS MINERAIS: CONCEITOS, METODOLOGIA, E LISTAGEM, CAPITULO IX, IN GEOLOGIA DO BRASIL, EDS., C. SCHOBBENHAUS, D. DE A. CAMPOS, G.R. DERZE, AND H.E. ASMUS: DEPARTAMENTO NACIONAL DA PRODUCAO MINERAL, PP. 359-419.
1945 GEOLMAP W.D. JOHNSTON
1969 COMPILE R.H. NAGELL
1972 DIREXPL BARBOSA (DNPM)
1973 DIREXPL PORTO (DNPM)
CIMRI
WHITE, M.G., 1973, TIN AND TUNG. RESOUR. OF BRAZ, CESAR (1984).
WHITE, M.G., 1973, TIN AND TUNGSTEN RESOURCES OF BRAZIL, CESAR (1984).
| Subject category | Comment text |
|---|---|
| Deposit | IN ADDITION TO SCHEELITE DEPOSITES DESCRIBED ABOVE, ANOTHER TUNGSTEN ORE, FERBERITE, OCCURS NEAR MUNICIPIO DE PEDRO AVELINO IN NORTHERN RIO GRANDE DO NORTE (LAT: 5 DEG. 31 MIN, LONG: 36 DEG. 31 MIN) THE FERBERITE OCCURS IN QUARTZ VEINS (UP TO 70 CM) AND IN A GREISEN |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-MAR-1974 | Warfle, Thomas M. | U.S. Geological Survey | |
| Updater | 01-AUG-1992 | Page, Norman J. | U.S. Geological Survey |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.