San Juan Formation, Argentina

San Juan Formation
Stratigraphic range: Ordovician
Type Formation
Overlies La Silla Formation
Thickness 300–400 m
Lithology
Primary Limestone, marl
Location
Region San Juan Province
Country 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.[1]

References

  1. Sánchez, Teresa M.; Carrera, Marcelo G.; Benedetto, Juan Luis (1996). "Variaciones faunísticas en el techo de la formación San Juan (Ordovícico Temprano, Precordillera Argentina): Significado paleoambiental". Ameghiniana (in Spanish) 33 (2): 185–200.
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