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Ysidro Formation | |
---|---|
Stratigraphic range: Miocene | |
Type | Geologic formation |
Overlies | Bermejo Formation |
Thickness | 500–1,500 feet (150–460 m) |
Location | |
Region | Baja California |
Country | Mexico |
The Ysidro Formation is a geologic formation in Baja California state, northwestern Mexico.
It preserves fossils dating back to the Miocene epoch of the Neogene period.