INVESTIGADORES
NAVARRETE GRANZOTTO CÉsar Rodrigo
artículos
Título:
CENOMANIAN-? EARLY TURONIAN MINIMUM AGE OF THE CHUBUT GROUP, ARGENTINA: SHRIMP U-Pb GEOCHRONOLOGY
Autor/es:
MANUEL SUAREZ; MARCELO MÁRQUEZ; RITA DE LA CRUZ; CÉSAR NAVARRETE; MARK FANNING
Revista:
JOURNAL OF SOUTH AMERICAN EARTH SCIENCES
Editorial:
PERGAMON-ELSEVIER SCIENCE LTD
Referencias:
Año: 2014 vol. 50 p. 67 - 74
ISSN:
0895-9811
Resumen:
Four new SHRIMP UePb zircon ages older than 93 Ma from samples of the two uppermost formations accumulated in two different depocenters (Golfo de San Jorge and Cañadón Asfalto basins) of the Chubut Group in central Argentinean Patagonia, establish a pre-late Cenomanian-? early Turonian age for the group. It also confirms a coeval and comparable evolution of the two depocenters, where distal pyroclastic material was deposited together with fluvial and lacustrine facies.
