The Ischigualasto Formation is a Late Triassic geological formation in the Ischigualasto-Villa Unión Basin of northwestern Argentina. According to radiometric dating of ash beds, the formation dates t
Valle Pintado, Ischigualasto Formation
A sandstone bluff in Ischigualasto Provincial Park
Badlands of multicolored mudstones and paleosols in Ischigualasto Provincial Park
Large calcareous nodules exposed at Cancha de Bochas ("bocce court") in Ischigualasto Provincial Park. This site is the namesake of the Cancha de Bochas Member
The Santa Maria Formation is a sedimentary rock formation found in Rio Grande do Sul, Brazil. It is primarily Carnian in age, and is notable for its fossils of cynodonts, "rauisuchian" pseudosuchians,