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

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Eduardo A. Rossello
Eduardo G. Ottone
Claudio E. Haring
Vicente A. Nevistic

Abstract

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.

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Rossello, E. A., Ottone, E. G., Haring, C. E., & Nevistic, V. A. (2004). Tectonic and paleoenvironmental significance of the Paleogene coal seams of Estancia La Correntina, Fuegian Andes. Revista De La Asociación Geológica Argentina, 59(4), 778-784. Retrieved from https://revista.geologica.org.ar/raga/article/view/1451
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