Tectonic and paleoenvironmental significance of the Paleogene coal seams of Estancia La Correntina, Fuegian Andes

The continental sedimentary coaly outcrop of Estancia La Correntina, San Pablo River (54° 33' 01″ S, 64° 00' 20″ W), is described. The palynological assemblage compare closely with the similar one described from the Sloggett Formation, and is referred to the late Eocene-early Oligocene. Po...

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Detalles Bibliográficos
Autores principales: Rossello, E.A., Ottone, E.G., Haring, C.E., Nevistic, V.A.
Formato: JOUR
Materias:
Argentina
Estancia La Correntina
Late Eocene/early Oligocene
Palynology
Tectonics
Tierra del Fuego
coal seam
depositional environment
Paleogene
palynology
tectonic setting
vegetation history
South America
Tierra del Fuego [(PRV) Argentina]
Western Hemisphere
World
Acceso en línea:http://hdl.handle.net/20.500.12110/paper_00044822_v59_n4_p778_Rossello
Aporte de:
Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) de Universidad de Buenos Aires
Descripción
Sumario:The continental sedimentary coaly outcrop of Estancia La Correntina, San Pablo River (54° 33' 01″ S, 64° 00' 20″ W), is described. The palynological assemblage compare closely with the similar one described from the Sloggett Formation, and is referred to the late Eocene-early Oligocene. Podocarpaceae and Fagaceae are the most abundant forms. Pteridophyta are subordinate. The palynological assemblage would probably reflect a lacustrine or swampy environment, with regular levels of moisture and a temperate climate. Correlations between Estancia La Correntina and Bahía Sloggett outcrops support a NNW trending tectonic corridor, developed on pre-Paleogene units that controlled the deposition of continental sequences during the Eocene/ Oligocene in the Fueguian Cordillera. © 2004 Asociación Geológica Argentina.

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