Navigation aid to H.G. Kugler's Stratigraphic collection of Trinidad

 

Trinidad Formations

Formations exposed in the Northern Range are tectonized and metamorphized and are highlighted in bold.

Formations exposed in Central and Southern Trinidad are non-metamorphic and fossiliferous.

For formations see also the homepage of the geological Society of Trinidad and Tobago under https://thegstt.org/geoattract/formations

 

Cross-correlations of T.L.L. zonal names for Trinidad and Overview of type-samples from Trinidad land sections used for development of T.L.L. zonal schemes and later schemes for tropical plankton foraminiferal zonations as compiled by Michael Knappertsbusch from collections held at NMB.

 

 

Jurassic/Cretaceous

• Maraval Formation (Pre-Tithonian of Northern Range)
• Maracas Formation (Tithonian to Neocomian of Northern Range)
• Maracas Formation (Tithonian-Neocomian, outside Northern Range)

 

 

Cretaceous

• Chancellor- and Laventille Formations (Barremian through Albian of Northern Range
• Rio Seco Formation (? Tithonian ?, Neocomian to Aptian, NE Trinidad), and from Dissertation Barr (1963)
• Rio Seco Formation (Neocomian to Aptian)
• Grande Rivière Formation, Dissertation Barr (1963)
• Tompire & Toco Formations
• Tompire Formation (Hauterivian, Barremian), NE Trinidad, and from Dissertation Barr (1963)
• Toco Formation (Barremian to Lower Albian), NE Trinidad, Zagaya Limestone Member of Toco Formation, and from Dissertation Barr (1963) (with Cherrycake conglomerate).
• Sans Souci Volcanic Formation
• Sans Souci Colcanic Formation, (Albian), NE Trinidad, and from Dissertation Barr (1963)
• Laventille Formation (Barremian to Aptian), Laventille Formation of Patos Island
• Galera Formation (Campanian to Maastrichtian)
• Galera Formation (Campanian-Maastrichtian), NE Trinidad, and from Dissertation Barr (1963)
• Cuche Formation (Barremian to Albian), Eastern Central Area
• Cuche Formation: Maridale Member, Bon Accord Marl, La Carrière silt Member, Herrera Rock, Remanié Bed)
• Cuche Formation, reef facies
• Cuche Formation, reef facies, Sabinia limestone
• Gautier Formation (Albian)
• Naparima Hill Formation (Turonian-Santonian-Campanian)
• Guayaguayare Formation (Maastrichtian)
• Roudairia Sandstone (Maastrichtian)
• Hamulus Sandstone (Maastrichtian) and Corax Glauconite, Bontour Formation

 

 

 

Tertiary and Quaternary

• Soldado Formation (Paleocene to Lower Eocene)
• Chaudière Formation (Paleocene)
• Lizard Springs Formation (Paleocene to lower Eocene)
• Pointe-à-Pierre Formation (Early Lower to Early Middle Eocene)
• Navet Formation, Hospital Hill Marl (Eocene)
• San Fernando Formation, Mount Moriah Silt (Late Eocene)
• San Fernando Formation, Plaisance Conglomerate, Morne Roche (Late Eocene)
• Cipero Formation (Oligocene to Middle Miocene)
• Cipero Formation: Herrera Sandstone Member (Middle Middle Miocene)
• Cipero Formation: Morne Diablo Limestone (Early Middle Miocene)
• Cipero Formation: Mejias Limestone (Early Early Miocene)
• Cipero Formation: Kapur limestone (Early Early Miocene)
• Quinam Quarry Limestone (=Freeman's Bay Limestone, Upper Lengua Formation)
• Nariva Formation (Early Miocene)
• Brasso Formation (Early to Middle Miocene)
• Karamat Formation (Middle to Late Miocene)
• Lengua Formation (Late Middle Miocene)
• Tamana Formation (Middle Miocene)
• Moruga Formation (Late Miocene to Pliocene)
• Mayaro Formation (Pliocene)
• Cruse Formation (Late Miocene)
• Forest Formation (Late Miocene)
• Manzanilla Formation (Late Miocene)
• Morne l'Enfer Formation (Late Miocene to Early Pliocene)
• Springvale Formation (Late Miocene)
• Mayaro Formation (Pliocene)
• Erin Formation (Pliocene to Pleistocene)
• Talparo Formation (Pliocene)
• Quaternary