Cardiel Formation

Cardiel Formation Stratigraphic range: Maastrichtian
Type	Geological formation
Underlies	Slogget & San Julián Formations
Overlies	Divisadero & Kachaike Formations
Lithology
Primary	Sandstone, conglomerate
Other	Tuff
Location
Coordinates	[ ⚑ ] : 49°00′S 71°24′W / 49.0°S 71.4°W / -49.0; -71.4
Paleocoordinates	[ ⚑ ] 50°54′S 60°54′W / 50.9°S 60.9°W / -50.9; -60.9
Region	Santa Cruz Province
Country	Argentina
Extent	Austral Basin
Type section
Named for	Lake Cardiel
Named by	Russo & Flores
Year defined	1971
Cardiel Formation (Argentina)

The Cardiel Formation is a Maastrichtian geologic formation of the Austral Basin in Santa Cruz Province, Argentina . The formation comprises sandstones and conglomerates with abundant tuff beds.^[1] The formation is overlain by the Slogget and San Julián Formations and overlies the Divisadero and Kachaike Formations.^[2] Dinosaur remains diagnostic to the genus level are among the fossils that have been recovered from the formation.^[3]

• Clasmodosaurus spatula - Teeth^[4] - (sauropod indet)
• "Loncosaurus argentinus" (ornithopod indet.) - Femur.^[5] This genus may have also been found in the Matasiete Formation.

• List of dinosaur-bearing rock formations
  • List of stratigraphic units with few dinosaur genera
• Allen Formation

• Pérez Panera, Juan Pablo. 2010. Sistemática y bioestratigrafía de los nanofósiles calcáreos del Cretácico del sudeste de la Cuenca Austral, Santa Cruz, Argentina (PhD thesis), 1–450. Universidad Nacional de La Plata.
• Weishampel, David B.; Peter Dodson, and Halszka Osmólska (eds.). 2004. The Dinosauria, 2nd edition, 1–880. Berkeley: University of California Press. Accessed 2019-02-21. ISBN 0-520-24209-2

• J. E. Powell. 2003. Revision of South American titanosaurid dinosaurs: palaeobiological, palaeobiogeographical and phylogenetic aspects. Records of the Queen Victoria Museum Launceston 111:1-173

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