The Carapita Formation at eastern Venezuela

DR. R, M. Stainforth
IV Venezuelan Geological Congress, 1969

You can download complete PDF version at / Puedes bajar la versión completa en PDF en:

https://https://mariantoc.github.io/stratigraphy.html



At this pioneer paper, Dr. Stainforth discussed all the attempts to apply the benthic foraminifera to the biostratigraphic zonation of the Carapita Formation. All studies made up to that moment had been unsuccessful.

At this bioestratigraphical investigation, that started in 1953, Dr. Stainforth demonstrated that the distribution of benthic faunules was controlled mainly by factors ecological, but that the planktonic zonation, then in use in Trinidad Island, was applicable to the Carapita Formation at eastern Venezuela.

In the following years, more detailed studies on planktonic foraminifera were made by G. M. Sowers, J. A. Sulek, and J. L. Lamb, and it was shown that the refined zones introduced in the island of Trinidad by Bolli (1957) can be recognized in eastern Venezuela. 

The Carapita Formation is important for the quality of the organic matter and because the lower section is sufficiently mature to generate oil

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