AN EVALUATION OF POST-MIDDLE MIOCENE GEOLOGICAL SEQUENCES, OFFSHORE TRINIDAD
NEIL PAYNE
Trinidad & Tobago Oil Co. Ltd.,
Pointe-a-Pierre, Trinidad

A regional interpretation of good quality reflection seismic data in the offshore areas of Trinidad has provided vital clues towards understanding and correlating Post-Middle Miocene depositional sequences which have been restructured and, in part, displaced by subsequent tectonic activity. Genetically related sediment packages can be recognized and correlated across major fault boundaries using a combination of seismic character comparison, relative age dating and stratigraphic relationships. This picture, enhanced by the integration of litho- and biostratigraphic data, has formed a framework within which the traditional geology of the onshore Trinidad area can be interpreted with more confidence.
This paper will present reflection seismic evidence of some common stratigraphic and structural relationships which exist in and around Trinidad. Regional sections and small-scale maps will complete the display and form a basis for conclusions on the geological evolution of the Trinidad area during this period.

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