The Candeleros Formation (formerly known as the Candeleros Member of the "Rio Limay Formation") is a geologic formation that outcrops in Río Negro, Neuquén, and Mendoza provinces of Argentina. It is the oldest formation in the Neuquén Group and belongs to the Rio Limay Subgroup. Formerly that subgroup was treated as a formation, and the Candeleros Formation was known as the Candeleros Member.
The type locality of the Candeleros Formation is Candeleros Hill in Neuquén province. This formation unconformably overlies the Lohan Cura Formation, and it is in turn overlain by the Huincul Formation, also a unit of the Neuquén Group. The sediments of the latter are of lighter greenish and yellow colors and the boundary between the Candeleros and Huincul formations is easily recognizable.
The Candeleros Formation is almost 300 meters thick in some sections. Overall, the formation represents an ancient braided river system, made up mostly of sandstones and conglomerates. There are also isolated sections that represent eolian (wind-blown) deposition, as well as siltstones deposited under swamp conditions. Paleosols (soil deposits) are common in some sections as well.
Other articles related to "candeleros formation, formation, candeleros":
... Pterosaurs of the Rio Limay Formation Taxa Presence Description Images Ichnogenus Pteraichnus Present at Lake Ezequiel Ramos Mexia in the Candeleros Member ... There are also several trackway sites and eggshells known from the Candeleros Formation, including theropods, sauropods, ornithopods, and pterosaurs ... One of the most productive fossil localities in the Candeleros is known as La Buitrera and is now well known for producing many small tetrapod skeletons with three-dimensional ...
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