Title: Mapa Geologico de la isla Marambio (Seymour Island)
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Abstract:
The Cretaceous-Paleogene sequence on Seymour Island has been mapped
in terms of four previously named units: the Lopez de Bertodano
Formation (Cretaceous-Paleocene), the Sobral Formation (Paleocene),
the Cross Valley Formation (Late Paleocene), the La Meseta
Formation (Eocene), the glacimarine post Pliocene deposits of the
Weddell Formation, and the intrusive rocks of the Pliocene. The
stratigraphy, structural characteristics, and facies architecture of
the La Meseta and Cross Valley Formations were mapped last year. The
Lopez de Bertodano and Sobral Formations will be mapped this year. The
data is reproduced on a topographic map, scale 1:10000, produced by
the US Geological Survey in cooperation with the Instituto Antartico
Argentino and the Byrd Polar Research Center of Ohio State University
under the National Science Foundation Agreement No.: opp-911487.
