| Deposit ID | 10006313 |
|---|---|
| MRDS ID | BL20309 |
| Record type | Site |
| Current site name | Rosario De Araca Mine |
| Alternate or previous names | Union |
| Geographic coordinates: | -67.53283, -16.71436 (WGS84) |
|---|---|
| Elevation | 4000 |
| Relative position | 1 KM N55E OF EL ASIENTO (HACIENDA TANAPACA), 7 KM N60W OF VILOCO |
Political divisions (FIPS codes)
La Paz(province)
Bolivia(country)
South America(continent)
Land(continent)
| Country | State |
|---|---|
| Bolivia | La Paz |
| Bolivia | La Paz |
| Commodity | Importance |
|---|---|
| Gold | Primary |
| Tungsten Critical | Primary |
| Tin Critical | Secondary |
| Antimony Critical | Secondary |
| Copper | Secondary |
| Lead | Secondary |
| Materials | Type of material |
|---|---|
| Cassiterite | Ore |
| Chalcopyrite | Ore |
| Electrum | Ore |
| Jamesonite | Ore |
| Stibnite | Ore |
| Wolframite | Ore |
| Feldspar | Gangue |
| Limonite | Gangue |
| Muscovite | Gangue |
| Pyrite | Gangue |
| Pyrrhotite | Gangue |
| Quartz | Gangue |
| Tourmaline | Gangue |
| Model code | 77 |
|---|---|
| USGS model code | 20b |
| Deposit model name | Sn-polymetallic vein |
| Host or associated | Associated | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Rock type | Plutonic Rock > Mafic Intrusive Rock > Diorite | ||||||||
| Rock unit name | Quimsa Cruz | ||||||||
| Rock description | Quimsa Cruz | ||||||||
| |||||||||
| Host or associated | Host |
|---|---|
| Rock type | Metamorphic Rock > Metasedimentary Rock > Slate |
| Host or associated | Host |
|---|---|
| Rock type | Metamorphic Rock > Metasedimentary Rock > Quartzite |
| (1) | -67.53283, -16.71436 |
|---|
| General form | IRREGULAR |
|---|
| Development status | Past Producer |
|---|---|
| Commodity type | Metallic |
| Deposit size | Small |
| Significant | No |
| Type | Owner |
|---|---|
| Owner | Empresa Atoroma Ltda. |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | BL20309 |
RUEDA J., A.R., 1984, INFORME ETAPA "A" PROYECTO 59/78: CENTRO DE DOCUMENTACION FONDO NACIONAL DE EXPLORACION MINERA
GUSTAVSON ASSOC., 1992, COMPENDIUM OF THE ECONOMIC GEOLOGY OF BOLIVIA
AHLFELD, F., AND SCHNEIDER-SCHERBINA, A., 1964, LOS YACIMIENTOS MINERALES Y DE HIDROCARBUROS DE BOLIVIA: DEPARTAMENTO NACIONAL DE GEOLOGIA BOLETIN 5, P. 54-55, 139
KOEPPINGHOFF, A., AND SCHNEIDER, H.-J., 1985, DIE SCHEELIT-LAGERSTATTE MINA ROSARIO UND IHR GEOLOGISCHER RAHMEN, NORDLICHE CORDILLERA REAL, BOLIVIEN: ZENTRALBLATT GEOL. PALAONT., TEIL I, HEFT 9/10, P. 1591-1603.
CIMRI
(1-2) GUSTAVSON ASSOC. (1992)
| Subject category | Comment text |
|---|---|
| Deposit | VEIN MINERALIZATION ZONED AROUND QUIMSA CRUZ BATHOLITH. INNER ZONE OF QUARTZ-FELDSPAR-MUSCOVITE-WOLFRAMITE-PYRRHOTITE-CHALCOPYRITE VEINS IN FOLIATED QUARTZITE ALONG CONTACT WITH BATHOLITH. INTERMEDIATE ZONE OF IRREGULAR QUARTZ-TOURMALINE-ARSENOPYRITE-PYRITE-WOLFRAMITE-ELECTRUM VEINS UP TO 5 M WIDE EXTENDS 1.5 KM FROM CONTACT. OUTER ZONE OF CHLORITE-STIBNITE-CASSITERITE-ARSENOPYRITE-JAMESONITE VEINS IN SHALE AND SLATE, AND STOCKWORKS OF TOURMALINE-PYRITE-GOLD? IN QUARTZITE. SURFACE OXIDATION HAS ENRICHED GOLD VALUES IN THE INTERMEDIATE ZONE. OXIDIZED ORES CONSIST OF LIMONITE AND FREE GOLD. |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-NOV-1993 | Long, Keith R. | U.S. Geological Survey |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.