Preliminary Notes on Plant Fossils from Late Paleozoic and Early Mesozoic Rocks in the Cordillera Oriental of Colombia
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Universidad Industrial de Santander
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Paleozoic and Early Mesozoic rocks form the core of many of the ranges of the Cordillera Oriental as well as in other positions of the Andes in Colombia, Venezuela and Ecuador. In general these rocks have not been studied in detail because they have been considered of little economic importance: Recently, however, with the rise of interest in possible oil of Cretaceous age in Colombia, attention has been directed to the older rocks.