James-Williamson, Sherene A.; Mitchell, Simon F.
Author Affiliation, Ana.
Revised lithostratigraphy of the Coastal Group of southeastern St Thomas, Jamaica
Caribbean Journal of Earth Science
Date of Publication
The lithostratigraphy of the Coastal Group (Neogene) in the south-eastern part of the parish of St.Thomas, Jamaica, is formally described based on detailed geological mapping. Four formations and twomembers are recognised: August Town Formation (including the Leith Hall Member [new member]); LaytonFormation (reintroduced name) (including the Bowden Member); Old Pera Formation (changed rank) and Port Morant Formation (formerly introduced). Type sections for each new and upgraded formation are described.The paper presents the revised lithostratigraphy of the formations, clarifies some previous misconceptions, andplaces the formations into a formal nomenclature as set out by the International Stratigraphic Commission.....