El Cien Formation
Appearance
El Cien Formation | |
---|---|
Stratigraphic range: Oligocene-Miocene | |
Type | Geologic formation |
Sub-units | Cerro Colorado Mb. San Hilario Mb. Cerro Tierra Blanca Mb. |
Location | |
Region | Baja California Sur |
Country | Mexico |
The El Cien Formation is a geologic formation in eastern Baja California Sur state, Mexico.[1]
Subunits, from younger/higher to older/lower, include the Cerro Colorado Member, San Hilario Member, and Cerro Tierra Blanca Member.[1]
Fossil record
[edit]It preserves fossils dating back to the Oligocene epoch of the Paleogene period and Early Miocene epoch of the Neogene period, during the Cenozoic Era.[1][2]
See also
[edit]References
[edit]- ^ a b c UNAM.mx: "The El Cien Formation, Strata of Oligocene and Early Miocene Age in Baja California Sur"; Revista vol 6, no. 2, 1986; pg 145-162; National Autonomous University of Mexico, Institute of Geology.
- ^ Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Retrieved 17 December 2021.