Type Formation Thickness 300–400 m Primary Limestone, Marl | Overlies La Silla Formation Country Argentina | |
Province San Juan Province, Argentina Region San Juan Province, Argentina | ||
The San Juan Formation (Spanish: Formación San Juan) is a geologic formation in Argentina. It preserves fossils dating back to the Ordovician period. The formation crops out in the Precordillera of San Juan Province.
References
San Juan Formation, Argentina Wikipedia(Text) CC BY-SA