Anton Chico Formation

Anton Chico Formation
Stratigraphic range:
Anton Chico Formation along I-25 in Glorieta Pass. The Anton Chico is the red beds at lower right. Overlying this is tan beds of the Santa Rosa Formation.
TypeFormation
UnderliesSanta Rosa Formation
OverliesArtesia Group
Thickness102 feet (31 m)
Lithology
PrimarySandstone
OtherMudstone, Conglomerate
Location
Coordinates35°12′28″N 105°08′35″W / 35.2078°N 105.1431°W / 35.2078; -105.1431
RegionNew Mexico
CountryUnited States
Type section
Named forAnton Chico, New Mexico
Named byLucas and Hunt
Year defined1987
Anton Chico Formation (the United States)
Anton Chico Formation (New Mexico)

The Anton Chico Formation is a geologic formation exposed in New Mexico that was deposited in the Anisian Age of the middle Triassic Period.

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