The Ischigualasto formation (a Late Triassic fossiliferous formation) is concealed in the Ischigualasto Provincial Park of La Rioja and San Juan Provinces, while in the neighboring Talampaya National Park, the formation is thin and covered by recent sediments.
The Ischigualasto formation (a Late Triassic fossiliferous formation) is concealed in the Ischigualasto Provincial Park of La Rioja and San Juan Provinces, while in the neighboring Talampaya National Park, the formation is thin and covered by recent sediments.