Publication: Utilidad sedimentológica y estratigráfica de los fósiles reelaborados.
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1990
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Dpto. de Paleontología de la Fac. de Ciencias Geológicas, Instituto de Geología Económica, Museo Nacional de Ciencias Naturales
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Abstract
In many cases the reelaborated fossils are the best preserved
of the assemblages. Even they can not be used to establish
and identify biostratigraphical or chronostratigraphical units,
the reelaborated fossils are useful for sequential and discontinuities
analysis, for location of source areas of sediments, as
indicators of paleocurrents, and for identification of sedimentary
environments and paleogeography. Some reelaborated fossils
are the only existing record of eroded sediments. They permit the
obtention of data on episodes of the Geological History of which
the stratigraphic record is not available anymore.