Sedimentary cycles, ammonite diversity and palaeoenvironmental changes in the Upper Cretaceous Marambio Group, Antarctica

• Published in: Cretaceous Research
• Main Author: Olivero, Eduardo Bernardo
• Format: Article in Journal/Newspaper
• Language: English
• Published: Elsevier
• Subjects: Antarctica; Upper Cretaceous; Sedimentary Cycles; Ammonites; Diversity Changes; Palaeoceanography; https://purl.org/becyt/ford/1.5; https://purl.org/becyt/ford/1; Antarctic; Weddell Sea; Austral; Weddell; Marambio; Antarc*; Tierra del Fuego
• Online Access: http://hdl.handle.net/11336/5434

Cretaceous sedimentary rocks of the James Ross Basin offer a unique Austral record of the transition from mild mid-Turonian–early Campanian to relatively cold Maastrichtian palaeoclimatic conditions. After deposition of deep-marine Lower to Upper Cretaceous sediments and tectonic inversion of the ba...