The Geology of Danco Coast at Cierva Cove. Antarctica.

PARICA, C.A.; REMESAL, M.B.

Kiel

Otro; th 20 Colloquium Latin American Earth Sciences; 2007

LAK

The geological analysis of Danco Coast at the area of Cierva Cove, nearby the Argentine Antarctic Station Primavera was carried out (64 09 S and 60 57 W). The first step for this job was the repositioning of the area with GPS technology (Geodesic Datum WGS 84). The stratigraphy of the area is represented in the lower levels by the Antarctic Peninsula Volcanic Group, which is assigned to upper Jurassic to lower Cretaceous by Pankhurst (1982), Rinaldi et al. (1999) between other authors. The outcrops of these rocks in the area are dark green andesitic lavas strongly vitreous with crystals of plagioclase. The highest level is represented by green andesitic breccia lavas. Analyzed by major elements geochemical data these rocks classified as calcalkaline. Gerlache Formation (proposed name by these authors).