Tithonian age of dinosaur fossils in central Patagonian, Chile: U–Pb SHRIMP geochronology

Manuel Suárez*, Rita De La Cruz, Mark Fanning, Fernando Novas, Leonardo Salgado

*Corresponding author for this work

    Research output: Contribution to journalArticlepeer-review

    4 Citations (Scopus)

    Abstract

    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.

    Original languageEnglish
    Pages (from-to)2273-2284
    Number of pages12
    JournalInternational Journal of Earth Sciences
    Volume105
    Issue number8
    DOIs
    Publication statusPublished - 1 Nov 2016

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