Paraná Basin
The Paraná Basin (Portuguese: Bacia do Paraná, Spanish: Cuenca del Paraná) is a large cratonic sedimentary basin situated in the central-eastern part of South America. About 75% of its areal distribution occurs in Brazil, from Mato Grosso to Rio Grande do Sul states. The remainder area is distributed in eastern Paraguay, northeastern Argentina and northern Uruguay. The shape of the depression is roughly elliptical and covers an area of about 1,500,000 km2 (580,000 sq mi).
| Paraná Basin | |
|---|---|
| Bacia do Paraná, Cuenca Paraná | |
Outline of the Paraná and Chaco-Paraná Basins | |
Simplified geological map of Paraná Basin | |
Paraná Basin – Simplified stratigraphic chart | |
| Coordinates | 25°00′S 54°00′W |
| Etymology | Paraná River |
| Location | South America |
| Region | Central-West, Southeast, South |
| Country | Brazil Paraguay Argentina Uruguay |
| State(s) | Mato Grosso, Mato Grosso do Sul, Goiás, Minas Gerais, São Paulo, Paraná, Santa Catarina, Rio Grande do Sul Amambay, Concepción, San Pedro, Canindeyú, Caaguazú, Alto Paraná, Guairá, Misiones, Paraguarí, Itapúa, Ñeembucú Misiones, Corrientes, Entre Ríos, Formosa, Chaco, Santiago del Estero, Santa Fe Artigas, Salto, Paysandú, Río Negro |
| Cities | Campo Grande, Asunción |
| Characteristics | |
| On/Offshore | Onshore |
| Boundaries | Paraguai/Araguaia Fold Belt, Goiánia/Alto Parnaíba Arch, Serra do Mar, Ponta Grossa Arch, Rio Grande Arch, Asunción Arch |
| Part of | Brazilian onshore basins |
| Area | ~1,500,000 km2 (580,000 sq mi) |
| Hydrology | |
| River(s) | Paraná, Paraguay, Uruguay |
| Geology | |
| Basin type | Interior (Type 1, Klemme 1980) Cratonic (Type 1211, Bally & Snelson 1980) Interior sag (IS, Kingston, Dishroon & Williams 1983) |
| Plate | South American |
| Age | Paleozoic-recent |
| Stratigraphy | Stratigraphy |
| Field(s) | Barra Bonita (gas) |
The Paraná River, from which the Paraná Basin derived its name, flows along the central axis of the Paraná Basin and drains it.
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