Research-paper
The Age of the Formación Amoyá, Upper Magdalena Valley: Another piece in the Paleozoic stratigraphic puzzle of Colombia
Prössl, Klaus F.; Grösser, Joachim R.
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Abstract
Spores and remains of land plants are described from the Formación Amoyá, a hitherto undated unit on the eastern flank of the Central Cordillera of Colombia in the Upper Magdalena Valley. The identified spores indicate a Devonian, most probably Middle Devonian age. The Formación Amoyá is correlated with lithologically similar Devonian units of this area.