An outmoded idea that islands in the Caribbean and elsewhere were formed on top of foundered continents. Related Articles: Glossary: Diapiric melangeGlossary: DiapirismGlossary: Mud diapirsRival theories by English amateurs: Matley, Trechmann and the geological origin of JamaicaA field guide to Barbados (Part 1): Introduction« Back to Glossary Index