The Rocks and Formations of Trinidad THE NORTHERN RANGE Grand Rivere Formation – Balandra Bay Folds on Monos Saddle Road Galera Formation – Marianne River Chancellor Beds – Lady Young Road Galera Formation at Chupara Bay Grand Rivere FM at 34.4 km mark Guayamara Formation – Tompire Bay Maraval Formation – Maracas Bay Rio Seco Formation – Rampanalgas Rio Seco Waterfall Rio Seco Formation – Saline Bay Grand Rivere Formation- GUYAMARA BAY Lady Chancellor Road The Maracas Formation at Las Cuevas Bay Sans Souci Volcanics Toco Formation – Galera Point Andre Point – Toco Grand Rivere Formation – Chacachacare Toco Formation – Forest Point Toco Formation – Petite L’Anse Turure Falls THE CARONI BASIN Brasso Formation Manzanilla Formation Springvale Formation Talparo Formation THE CENTRAL RANGE Cuche Formation The Cunapo Conglomerate at Four Roads, Tamana Chaudiere Formation – San Fernando Chaudiere Formation – Cunapo Southern Road Charuma Silt – Cunapo Southern Road Tamana Limestones Lower Cretaceous Limestone Blocks THE SOUTHERN BASIN The Los Bajos fault Cipero Formation Cone in Cone structures in the Cruse Formation of Trinidad The Cruse Formation Erin Formation Forest Formation Gros Morne Formation Lignites and the origin of Porcellanites Lizard Springs Formation Marac Quarry Mayaro Formation Navet Formation Point-a-Pierre Formation Pitch Lake Oils Seeps in San Fernando The Naparima Hill Formation TOBAGO