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The AAPG/Datapages Combined Publications Database

AAPG Bulletin

Abstract


Volume: 31 (1947)

Issue: 1. (January)

First Page: 71

Last Page: 91

Title: Stratigraphic Paleontology of Camaguey District, Cuba

Author(s): Jesus F. de Albear (2)

Abstract:

Late Jurassic to Eocene rocks associated with the serpentine of the Camaguey chromite district, Cuba, comprise a southern shallow-water facies, made up chiefly of pyroclastic material, and a northern deeper-water, calcareous facies. Extensive thrusting has superposed the northern facies over the southern sediments and igneous rocks.

The oldest fossiliferous rocks in the district are thin-bedded Upper Jurassic (Portlandian) and Lower Cretaceous (Neocomian) limestones of the northern facies in the Sierra de Camajan, an outlier of the main thrust sheet.

Upper Cretaceous rocks of three epochs are recognized: the La Fe limestones (late Santonian or Campanian) and the Yucatan limestones (late Campanian) belong to the southern facies; the Habana formation (Maestrichtian) represents both the southern facies (shales and gravels, and limestones with Barrettia) and the northern facies (limestones of the Sierra de Cubitas and Sierra de Camajan).

A tentative age of latest Cretaceous passing into Paleocene is assigned to thick-bedded, porcellaneous white limestones which contain Borelis, Miliolidae, and small Foraminifera.

Fossiliferous marls, limestones, and calcareous shales overlying the Cretaceous beds are correlated with lower Eocene rocks in western Cuba; and limestones, limestone conglomerates, marls, and shales are assigned to the middle Eocene.

Faunal lists are given for each formation and lithologic unit described.

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