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Geology of Península Valdés
(Springer, 2017)
The surface of Península Valdés is gently cut, characterized by plateaus, sea cliffs, and spits as well as depressions caused by a complex process of tectonic, deflation, fluvial erosion, and mass wasting. Subsurface geology ...
Gondwanan perspectives: cretaceous-paleogene biota of west Antarctica
(Asociacion Paleontologica Argentina, 2016-06)
Antarctica has played a key role connecting all major land-masses of Gondwana, even during periods of their break up through the Cretaceous and Paleogene. The largely ice-covered rocks of Antarctica undoubtedly contain ...
Long-term landscape evolution and post-rift reactivation in the southeastern Brazilian passive continental margin: Taubat, basin
(Springer, 2014-03-01)
Zircon (ZFT) and apatite (AFT) fission-track low-temperature thermochronology was applied at the Brazilian passive continental margin in order to understand and reconstruct the post-rift evolution since the breakup of ...
Angiosperm pollen grains from the Cuayuca Formation (Late Eocene to Early Oligocene), Puebla, Mexico
(Coquina Press, 2015-01)
Systematic descriptions and illustrations of the best preserved angiosperm pollen
grains (Monocotyledonae or Liliopsida: n= 7 and Dicotyledonae or Magnoliopsida: n=
41) recovered from Cuayuca Formation (late Eocene-early ...
Correlation of marine beds based on Sr- and Ar-date determinations and faunal affinities across the Paleogene/Neogene boundary in southern Patagonia, Argentina
(Pergamon-Elsevier Science Ltd, 2008-09-04)
The San Julián and Monte León formations ("Patagonian") are exposed along the Atlantic coast of Patagonia, whereas in the west equivalent rocks are known as Centinela Formation. Sixteen 87Sr/86Sr measurements on the oyster ...
Paleogene flora of the Sloggett Formation, Tierra del Fuego, ArgentinaFlora Paleógena de la formación Sloggett, Tierra del Fuego, Argentina
(Asociación Paleontológica Argentina, 2013-12-27)
In the southeastern corner of the Isla Grande of Tierra del Fuego, southernmost Argentina, small outcrops representing Late Eocene-Early Oligocene sedimentation in fluvial environments, are referred to the Sloggett Formation. ...
Large ferruginized palaeorhizospheres from a Paleogene lateritic profile of Uruguay
(Elsevier Science, 2011-10)
It is proposed herein that columns included in the unconformity between Mercedes (Upper Cretaceous) and Asencio (Lower Eocene) formations of Uruguay, forming "caves" known since the XIX century, are large ferruginized ...