Río Colorado Subgroup
The Río Colorado Subgroup, formerly named as Río Colorado Formation, is a Late Cretaceous (Santonian to Early Campanian) geologic subgroup of the Neuquén Basin in northern Patagonia, Argentina. It belongs to the Neuquén Group and contains the Anacleto and Bajo de la Carpa Formations. The subgroup overlies the Río Neuquén Subgroup and is overlain by the Allen Formation of the Malargüe Group, separated by an unconformity dated to 79 Ma. Dinosaur remains diagnostic to the genus level are among the fossils that have been recovered from the formation.
Anacleto Formation
Bajo de la Carpa Formation
Malargüe Group
Neuquén Basin
Neuquén Group
Plottier Formation
Río Neuquén Subgroup
1992 in paleontology1994 in paleontology2009 in archosaur paleontologyAucasaurusColorado FormationList of fossil sitesList of stratigraphic units with dinosaur body fossilsList of stratigraphic units with dinosaur trace fossilsRio Colorado FormationRio Colorodo FormationRío Colorado FormationRío Colorado Group
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Río Colorado Subgroup
The Río Colorado Subgroup, formerly named as Río Colorado Formation, is a Late Cretaceous (Santonian to Early Campanian) geologic subgroup of the Neuquén Basin in northern Patagonia, Argentina. It belongs to the Neuquén Group and contains the Anacleto and Bajo de la Carpa Formations. The subgroup overlies the Río Neuquén Subgroup and is overlain by the Allen Formation of the Malargüe Group, separated by an unconformity dated to 79 Ma. Dinosaur remains diagnostic to the genus level are among the fossils that have been recovered from the formation.
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The Río Colorado Subgroup, for ...... recovered from the formation.
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extent
name
Río Colorado Subgroup
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overlies
Plottier Formation
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period
Campanian
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region
Neuquén & Río Negro Provinces
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subunits
Anacleto & Bajo de la Carpa Formations
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Thickness
Up to
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underlies
Allen Formation
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unitof
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-37.9 -68.5
comment
The Río Colorado Subgroup, for ...... recovered from the formation.
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label
Río Colorado Subgroup
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