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Estructuras Geológicas de Argentina

Evolución
by

Vanesa Wielesiuk

on 6 October 2011

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Transcript of Estructuras Geológicas de Argentina

ERA PRECAMBRICA
4600 millones de años ERA PALEOZOICA
550 millones de años
ERA MESOZOICA
250 millones de años
ERA CENOZOICA
65 millones de años Sierras de Tandil Sierras de Tandil Sierra de la Ventana Cerro Champaqui intensa sedimentación
intrusiones magmáticas
formación de basamento
ingresiones marinas
formación de geosinclinal
Meseta Misionera Plegamiento del Geocinclinal
Intensa sedimentación Intensa erosión de relieves ya formados
Relativa calma geológica
Sedimentación en cuencas marinas (hidrocarburos)
Vulcanismo en relieves ya formados
(Patagonia y Misiones) Predominio del plegamiento Andino
Sobreelevación de estructuras preexistentes
Plegamiento de geosinclinales
Fracturas, hundimientos de cratones
Sedimentaciòn y origen de llanuras
Glaciaciones Gracias!
Full transcript