PALEOGEOGRAPHIC DOMAIN OF THE NEOAUTOCHTONOUS IN THE REPUBLIC OF CUBA
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Abstract
The objetive of this paper is argue the rejuvenation of the Neo-autochtonous Paleogeographic Domain (DP) from the west to the east of the Cuban archipelago. Using the Terranoestratigraphy methodology. 77 Neo-autochtonous lithostratigraphy formations are characterized: 27 from the Western Neo-autochtonous; 31 from the Central Neo-autochtonous; 19 from the Eastern Neo-autochtonous and the unnamed deposits distributed in Cuba. The Neo-autochtonous Domain corresponds to a stage of greater tectonic stability after the climax of the main Cuban Orogenic. The Neo-autochtonous litostratigraphic units usually occupy one or more structural levels. Several formations constitute a continuation of the Upper Oligocen deposits while others reach the Pleistocene. The final consolidation of the folded substratum has been previosly proposed in the Upper Eocene; however, recently it has been formulated that the peak of the movements that caused folding and overthrust ended in unequal periods according to the regions of the national territory. The Neo- autochtonous DP moves in time from the West to the East, rejuvenating itself. The oldest formation of the Western Neo-autochtonous Petrotectonic Complex (CPT) is the Toledo Formation of the Universidad Group and is dated as Late Ypresian, while the oldest of the Eastern CPT is the Lower Oligocen Yateras Formation. The Neo-autochtonous is an important source for construction materials and aquifer reservoirs. There are quarries that provide materials for the cement factory; the clayey materials can be used for produce bricks and ceramics. Excelents agriculture soil are derived from some of these Neoautoctonous units.
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