The Mount Peace Formation is a geologic formation in Jamaica. It preserves ammonite, bivalve and echinoid fossils dating back to the Late Santonian stage of the Cretaceous period.Mount Peace Formation at Fossilworks.org
See also List of fossiliferous stratigraphic units in Jamaica
References
Further reading S. K. Donovan, S. F. Mitchell, and D. N. Lewis. 2006. The irregular echinoid Nucleopygus from the Upper Cretaceous of western Jamaica. Cretaceous Research 27:577-583