| Deposit ID | 10094119 |
|---|---|
| MRDS ID | AR00345 |
| Record type | Site |
| Current site name | Lago Fontana |
| Alternate or previous names | La Ilusion, La Ferrocarrilera |
| Geographic coordinates: | -70.99943, -44.99771 (WGS84) |
|---|---|
| Elevation | 1100 |
| Relative position | ALTO RIO SENGUERR A 63 KM EN DIRECCION SE |
Political divisions (FIPS codes)
Chubut(province)
Argentina(country)
South America(continent)
Land(continent)
| Country | State |
|---|---|
| Argentina | Chubut |
| Commodity | Importance |
|---|---|
| Zinc Critical | Primary |
| Lead | Primary |
| Copper | Secondary |
| Gold | Secondary |
| Silver | Secondary |
| Materials | Type of material |
|---|---|
| Electrum | Ore |
| Galena | Ore |
| Malachite | Ore |
| Result | ESQUIRLA DE ROCA (VALORES MAXIMOS) ZN: 9600 PPM |
|---|---|
| Result | PB: 5100 PPM |
| Result | CU: 9400 PPM |
| Result | AG: 20 PPM. |
| Host or associated | Associated | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Rock type | Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Dacite | ||||||||
| |||||||||
| Host or associated | Associated |
|---|---|
| Rock type | Volcanic Rock (Aphanitic) > Intermediate Volcanic Rock > Andesite |
| Rock unit name | Formation Lago La Plata |
| Rock description | Formation Lago La Plata |
| Host or associated | Associated |
|---|---|
| Rock type | Volcanic Rock (Aphanitic) > Mafic Volcanic Rock > Basalt |
| Host or associated | Associated |
|---|---|
| Rock type | Plutonic Rock > Granitoid > Granite |
| Host or associated | Host |
|---|---|
| Rock type | Volcanic Rock (Aphanitic) > Intermediate Volcanic Rock > Andesite |
| Rock unit name | Formation Katterfeld |
| Rock description | Formation Katterfeld |
| (1) | -70.99943, -44.99771 |
|---|
| Type of structure | Regional |
|---|---|
| Structure description | Fracturas Tensionales-Rumbo N20-40e, Buz. 40-70 Nw |
| Type of structure | Local |
| Structure description | Fracturas Menores (Desplazamiento De Rumbo ?) De Rumbo 70/80 Nw, Juegos Menores De N60e Y Ns. |
| General form | VETIFORME |
|---|---|
| Strike | N20/40E |
| Dip | SUBVERTICAL |
| Thickness | 9M |
| Length | 1000M |
| Width | 4.75M |
| Development status | Occurrence |
|---|---|
| Commodity type | Metallic |
| Deposit size | Small |
| Significant | No |
| Discovery year | 1938 |
| District name | Lago Fontana, La Ilusion |
|---|
| Ownership category | Private |
|---|
| Type | Owner |
|---|---|
| Owner | Sociedad Minera La Ilusion |
| Type | In-situ | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Estimate year | 1986 | ||||||||||||||
| |||||||||||||||
| Type | In-situ | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Estimate year | 1986 | ||||||||||||||
| |||||||||||||||
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | AR00345 |
AGENCIA DE COOPERACION INTERNACIONAL DEL JAPON, 1982. INFORME DE ESTUDIOS BASICOS SOBRE LA EXPLORACION DE RECURSOS MINERALES EN LA ZONA PATAGONICA DE LA REPUBLICA ARGENTINA. (PRIMERA ETAPA).
DE FERRAN, 1984. SELECCION DE MODELOS GEOLOGICOS Y AREAS FAVORABLES PARA LA PROSPECCION Y EXPLORACION DE YACIMIENTOS POLIMETALICOS EN LA PATAGONIA. CONVENIO O.E.A.- DIRECCION DE MINERIA DEL CHUBUT.
DOMINGUEZ, E. 1981. GENESIS Y GEOQUIMICA DE LA MINERALIZACION DE LOS YACIMIENTOS "LOS MANANTIALES Y LAGO FONTANA", PCIA. DEL CHUBUT. REV. ASOC. GEOL. ARG. T.XXXVI, NO. 2. BUENOS AIRES.
IRIGOYEN V. Y RAMOS V. 1985. MARCO GEOLOGICO REGIONAL Y EVOLUCION TECTONICA DEL DISTRITO MINERO LA ILUSION-LAGO FONTANA. DIRECCION NACIONAL DE MINERIA (INEDITO)
NACIONES UNIDAS, 1982. FONDO ROTATORIO PARA LA EXPLORACION DE LOS RECURSOS NATURALES. EXPLORACION MINERA DE LA PCIA. DEL CHUBUT.
RAMOS V. 1981. DESCRIPCION GEOLOGICA DE LA HOJA 47AB, LAGO FONTANA. PCIA. DEL CHUBUT. DIRECCION NACIONAL DE MINERIA Y GEOLOGIA.
ZUBIA, M. 1986. FICHA MINA NO. 2. PROYECTO LAGO FONTANA. DIRECCION NACIONAL DEMINERIA Y GEOLOGIA. CENTRO DE EXPLORACION PATAGONIA SUR. (INEDITO)
| Subject category | Comment text |
|---|---|
| Deposit | MAPAS: MAPA GEOLOGICO DE LA MINA LA ILUSION ESC. 1:2000; GEOLOGIA DEL AREA III-LAGO FONTANA ESC. 1:8000; MAPA DE VETA ESC. 1:2500; MAPAS DE SOCAVONES F, E, C, B ESC. 1:1200 (EN ZUBIA 1986) ; INFO.SRC : 1 PUB LIT; 2 UNPUB REPT |
| Deposit | LOS MINERALES ESENCIALES SON BLENDA Y GALENA, HETEROGENEAMENTE DISEMINADOS. LOS MINERALES ACCESORIOS CALCOPIRITA Y PIRITA. LA GALENA Y LA BLENDA LLEVAN ADEMAS METALES NOBLES (AU-AG). LA MINERALIZACION ES BOSONERA Y ERRATICA, SE DESCONOCEN LOS PARAMETROS QUE DETERMINAN LA APARICION DE BOLSONES. |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-SEP-1993 | Fernandez, Maria Isabel | Direccion Nacional de Servicio Geologico, Argentina | |
| Updater | 01-SEP-1993 | Diego Silva Nieto | Direccion Nacional de Mineria, Argentina |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.