Falcon Paleogenic Formation. Review and redescription proposal
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Abstract
The lithostratigraphic unit called the Falcon formation was described for the first time by the American geologist Paul Truitt, in an unpublished geological report from 1954, resulting from research led by Brönnimann and Pardo. It was redefined by Popov, during the survey of Central Cuba at a scale of 1: 250,000, carried out in 1978. It was validated and incorporated into the Stratigraphic Lexicon of Cuba from the first versions. The review of this Paleogene unit, to update the lexicon, revealed several insufficiencies in its description, fundamentally, the incomplete state of some of the fields described, deficiencies noted in all the published versions and carried over to the one currently in force. The consultation of archival geological materials was carried out, especially the report of the conditional geological survey at a scale of 1: 50,000, Las Villas II or Jíbaro-Báez carried out in 1989 by a Cuban-Bulgarian Brigade, led by Vasiliev, with the objective of completing and improve the quality of information. Despite not constituting a new stratigraphic work per se, the review of archival materials provided data that allows a more complete description, which led to a proposal to redefine the Falcon formation to be submitted to the criteria of the Paleogene Commission. of the Stratigraphic Lexicon of Cuba for approval.
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References
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