2017
DOI: 10.5027/andgeov44n1-a03
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Abstract: ABSTRACT. The Neuquén Basin in northwestern Patagonia, Argentina, holds the most important record of Cretaceous dinosaurs in South America.The Neuquén Group (Upper Cretaceous) is the richest dinosaur-bearing unit of the basin. It comprises the Río Limay, the Río Neuquén and the Río Colorado subgroups. In this study, dinosaur remains from the Río Neuquén and the Río Colorado subgroups outcropping in Mendoza are examined. In this group, isolated, disarticulated or partially articulated sauropods and theropods ar… Show more

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Cited by 12 publications
(7 citation statements)
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“…According to this study, after the burial, the main diagenetic processes that affected the dinosaur bones were compaction, plastic deformation, permineralization and substitution. The ionic substitution of the hydroxyapatite by francolite -in the bone microstructure-was confirmed, in the first moment through the XRD analysis (see Previtera, 2017), and also by the SEM-EDS method performed here. This is a typical mineral replacement of fossilized bone (Lucas and Prévôt, 1991;Kolodny et al, 1996;Elorza et al, 1999) and it is common in many other dinosaur sites (e.g., Hubert et al, 1996;Pereda-Suberbiola et al, 2000;Paik et al, 2001;Luque et al, 2009;Rogers et al, 2010;Piga et al, 2011;among others).…”
Section: Taphonomic Pathwayssupporting
confidence: 58%
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“…According to this study, after the burial, the main diagenetic processes that affected the dinosaur bones were compaction, plastic deformation, permineralization and substitution. The ionic substitution of the hydroxyapatite by francolite -in the bone microstructure-was confirmed, in the first moment through the XRD analysis (see Previtera, 2017), and also by the SEM-EDS method performed here. This is a typical mineral replacement of fossilized bone (Lucas and Prévôt, 1991;Kolodny et al, 1996;Elorza et al, 1999) and it is common in many other dinosaur sites (e.g., Hubert et al, 1996;Pereda-Suberbiola et al, 2000;Paik et al, 2001;Luque et al, 2009;Rogers et al, 2010;Piga et al, 2011;among others).…”
Section: Taphonomic Pathwayssupporting
confidence: 58%
“…Furthermore, diage netic processes, mineralization and compaction, which occurred in the burial environments (floodplain and fluvial channel) has been recognized in a previous study (Previtera, 2017). According to this study, after the burial, the main diagenetic processes that affected the dinosaur bones were compaction, plastic deformation, permineralization and substitution.…”
Section: Taphonomic Pathwayssupporting
confidence: 56%
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