Artículos de revistas
Tithonian age of dinosaur fossils in central Patagonian, Chile: U–Pb SHRIMP geochronology
Fecha
2016-11Registro en:
Suárez, Manuel; De la Cruz, Rita; Fanning, Mark; Novas, Fernando Emilio; Salgado, Leonardo; Tithonian age of dinosaur fossils in central Patagonian, Chile: U–Pb SHRIMP geochronology; Springer; International Journal of Earth Sciences; 105; 8; 11-2016; 2273-2284
1437-3254
1437-3262
CONICET Digital
CONICET
Autor
Suárez, Manuel
De la Cruz, Rita
Fanning, Mark
Novas, Fernando Emilio
Salgado, Leonardo
Resumen
Three Tithonian concordant U–Pb SHRIMP zircon ages of 148.7 ± 1.4, 147.9 ± 1.5 and 147.0 ± 1.0 from tuffs intercalated in a clastic sedimentary succession with exceptional dinosaur bones including the new taxon Chilesaurus diegosuarezi gen. et sp. nov. exposed in central Chilean Patagonia (ca. 46°30′S) are reported herein. The fossiliferous beds accumulated in a synvolcanic fan delta reaching a shallow marine basin as indicated by glauconite present in some of the beds, and coeval with the beginning of the transgression of the Aysén Basin.