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Indio Formation

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Indio Formation
Stratigraphic range: Ypresian (Wasatchian-Bridgerian)
~55–48 Ma
TypeFormation
Unit ofWilcox Group
Lithology
PrimarySandstone, shale
OtherConglomerate, claystone
Location
RegionNuevo León and Tamaulipas
Country Mexico

The Indio Formation is a geologic formation of the Wilcox Group in Mexico. The sandstones, shales, conglomerates and claystones preserve fossils dating back to the Ypresian age (Wasatchian to Bridgerian in the NALMA classification) of the Eocene epoch of the Paleogene period.[1]

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