Golfo San Jorge Basin

An oil well near the port city of Comodoro Rivadavia. In the background a wind mill of the Antonio Morán Wind Farm.

Photograph of the first oil well in Comodoro Rivadavia.

The Golfo San Jorge Basin is a hydrocarbon-rich sedimentary basin located in eastern Patagonia, Argentina. The basin covers the entire San Jorge Gulf and an inland area west of it, having one half located in Santa Cruz Province and the other in Chubut Province. The basin has largely developed under condition of extensional tectonics, including rifting.^[1]

At the center of the basin accumulated sediments reach more than 8,000 meters of thickness. Oil was first discovered in 1907 and over the years it has been the second most productive hydrocarbon basin in Argentina after Neuquén Basin.^[1]

References

1 2 Sylwan, Caudio A. (2001). "Geology of the Golfo San Jorge Basin, Argentina". Journal of Iberian Geology. 27: 123–157. Retrieved 4 December 2015.

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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