Riochican
The Riochican age is a period of geologic time within the Paleocene and Eocene epochs of the Paleogene, used more specifically within the South American land mammal ages. It follows the Peligran and precedes the Itaboraian age.
Etymology
This age is named after the Río Chico Group of the Golfo San Jorge Basin.Formations
Formation bold is type | Country | Basin | Notes |
Río Chico Group | Golfo San Jorge Basin | ||
Bogotá Formation | Altiplano Cundiboyacense | ||
Bororó Formation | Golfo San Jorge Basin | ||
Chota Formation | Bagua Basin | ||
Koluel Kaike Formation | Golfo San Jorge Basin | ||
Las Flores Formation | Austral Basin | ||
Maíz Gordo Formation | Salta Basin | ||
Mealla Formation | Salta Basin | ||
Mogollón Formation | Talara & Tumbes Basins | ||
Muñani Formation | Altiplano Basin | ||
Peñas Coloradas Formation | Golfo San Jorge Basin | ||
Río Loro Formation | Sierras Pampeanas | ||
Salamanca Formation | Golfo San Jorge Basin |