| Deposit ID | 10099551 |
|---|---|
| MRDS ID | TC40868 |
| Record type | Site |
| Current site name | Mina Janelao |
| Geographic coordinates: | -44.24205, -15.07544 (WGS84) |
|---|---|
| Elevation | 600 |
| Location accuracy | 5000(meters) |
Political divisions (FIPS codes)
Minas Gerais(province)
Brazil(country)
South America(continent)
Land(continent)
| Country | State |
|---|---|
| Brazil | Minas Gerais |
| Commodity | Importance |
|---|---|
| Lead | Primary |
| Zinc Critical | Primary |
| Silver | Secondary |
| Materials | Type of material |
|---|---|
| Anglesite | Ore |
| Bornite | Ore |
| Chalcocite | Ore |
| Chalcopyrite | Ore |
| Descloizite | Ore |
| Galena | Ore |
| Smithsonite | Ore |
| Sphalerite | Ore |
| Willemite | Ore |
| Barite | Gangue |
| Calcite | Gangue |
| Dolomite | Gangue |
| Fluorite | Gangue |
| Limonite | Gangue |
| Quartz | Gangue |
| Result | ESTACA QUATRO (4 SAMPLES): 20% ZN, 15% PB, 60-156 G/T AG. |
|---|
| Host or associated | Host | ||||
|---|---|---|---|---|---|
| Rock type | Sedimentary Rock > Carbonate > Dolomite | ||||
| Rock unit name | Bambui Group | ||||
| Rock description | Bambui Group | ||||
| |||||
| (1) | -44.24205, -15.07544 |
|---|
| Type of structure | Local |
|---|---|
| Structure description | West Side Of Anticline |
| Name | ESTACA QUATRO |
|---|---|
| Strike | }N35E}N20-35W |
| Dip | }VERTICAL}STEEP |
| Thickness | 5M |
| Length | 120M |
| Name | ESTACA ONZE |
|---|---|
| Strike | }N35E}N20-35W |
| Dip | }VERTICAL}STEEP |
| Thickness | 70M |
| Length | 20M |
| Dip | }VERTICAL}STEEP |
|---|---|
| Length | 200M |
| Development status | Past Producer |
|---|---|
| Commodity type | Metallic |
| Significant | No |
| Discovery year | 1956 |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | TC40868 |
ROBERTSON, J.F., 1963, GEOLOGY OF THE LEAD-ZINC DEPOSITS IN THE MUNICIPIO DE JANUARIA, STATE OF MINAS GERAIS, BRAZIL: U.S. GEOLOGICAL SURVEY BULLETIN 1110-B, 110 P
CIMRI
ROBERTSON (1963).
| Subject category | Comment text |
|---|---|
| Deposit | ORE BODY 0: ON S. END OF PROPERTY; MOST ORE EXTRACTED FROM HERE; CONSISTS OF RESIDUAL BLOCKS; FLOAT COVERS 2700 METERS SQUARE AREA. ORE RUBBLE OF OXIDIZED ZINC AND LEAD. ORE BODY 1: ON E. END OF PROPERTY. ORE BODY 2: 0.5 KM NW OF ESTACA QUATRO; ZONE COMPOSED OF MANY CLOSELY SPACED TENSION FRACTURES. MINERALIZED AREA 20 X 100 M. |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-AUG-94 | Page, Norman J. | U.S. Geological Survey |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.