San Juan Formation | |
---|---|
Stratigraphic range: Lutetian | |
Type | Formation |
Unit of | La Esperanza Group |
Lithology | |
Primary | Limestone |
Location | |
Coordinates | 16°42′N 93°06′W / 16.7°N 93.1°W |
Approximate paleocoordinates | 18°30′N 83°48′W / 18.5°N 83.8°W |
Region | Chiapas |
Country | Mexico |
The San Juan Formation is a geologic formation in Mexico. It preserves fossil corals dating back to the Lutetian stage of the Paleogene period.[1]