Asunción Rift

The Asunción Rift is a composite graben and rift in eastern Paraguay. The rift is at some localities filled with up to 2500 m of sediments.^[1] The rift has a width of 40 to 25 km and can be divided in three segments. The western segment has a NW-SE strike and runs a length of over 90 km between the localities of Benjamin Aceval and Paraguarí. The central section runs from Paraguarí to Villarrica in a E-W direction and has a length of 70 km. The eastern section has a NW-SE orientation and a length of 40 km and runs from Villarrica to the Ybytyruzú Mountains.^[2]

References

↑ Druecker, M.D.; Gay, Jr., S.P., Mafic Dyke Swarms Associated with Mesozoic Rifting in Eastern Paraguay, South America
↑ Riccomini, C.; Fernandez Velásquez, V.; de Barros Gomes, C. (2001), "Cenozoic lithospheric faulting in the Asunción Rift, eastern Paraguay.", Journal of South American Earth Sciences, 14: 625–630

Major South American geological features

Tectonic plates	Antarctic Plate Caribbean Plate Cocos Plate Nazca Plate Scotia Plate South American Plate

Cratons and shields	Amazonian Craton Arequipa-Antofalla Craton Atlantic Shield Central Brazilian Shield Guiana Shield Paranapanema Block Río Apa Craton Río de la Plata Craton São Francisco Craton Uruguayan Shield

Faults and shear zones	Atacama Fault Boconó Fault Cochabamba Fault Zone Cordillera Blanca Fault Zone Dolores-Guayaquil Megashear Domeyko Fault El Pilar Fault System El Tigre Fault Gastre Fault Liquiñe-Ofqui Fault Zone Magallanes-Fagnano Fault Morón Fault System Oca-Ancón Fault System Pernambuco Fault San Ramón Fault Sarandí del Yí Shear Zone Sierra Ballena Shear Zone Sobral Fault Trans Brazilian Lineament

Rifts and grabens	Aguapeí Aulacogen Amazon Rift Asunción Rift Cuyo Rift Espino Graben Neuquén Rifts Paramirim Aulacogen Salta Rifts

Sedimentary basins	Altiplano Basin Amazon Basin Andean foreland basins Central Brazil Basin Colorado Basin Cuyo Basin Eastern Venezuela Basin Golfo San Jorge Basin Magallanes Basin Malvinas Basin Neuquén Basin Pantanal Basin Paraíba Basin Paraná Basin Salta Basin Solimões Basin

Orogens	Andean Orogen Brasiliano Orogens Cariri Velhos Belt Famatinian Orogen Gondwanide Orogen Juruá Orogen Pampean Orogen San Rafael Orogen Sunsás Orogen Terra Australis Orogen Tilcarian Orogen

Volcanoes and hotspots	Andean Volcanic Belt Ascension hotspot Caribbean large igneous province Central Atlantic magmatic province Fernando hotspot Galápagos hotspot Juan Fernández hotspot Paraná and Etendeka traps San Felix hotspot Trindade hotspot

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