| 词条 | El Cajón Formation |
| 释义 |
| name = El Cajón Formation | image = | caption = | type = Formation | period = Cretaceous | age = Cretaceous | prilithology = | otherlithology = | namedfor = | namedby = | region = | country = Mexico | coordinates = | unitof = | subunits = | underlies = | overlies = | thickness = | extent = | area = | map = | map_caption = }} The El Cajón Formation is a geologic formation in Mexico. It preserves fossils dating back to the Cretaceous period. See also{{Portal|Earth sciences|Mexico|Paleontology|Cretaceous}}
External links
2 : Geologic formations of Mexico|Cretaceous Mexico |
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