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The Jurassic/Cretaceous boundary in the Apulco area by means of calpionellids and calcareous dinoflagellates: An alternative to the classical Mazatepec section in eastern Mexico

Eastern MexicoEngineeringCretaceous PeriodGeologyCalcareous DinoflagellatesGeochronologyJurassic/cretaceous BoundaryCretaceous-paleogene BoundaryRegional GeologyIntegrated StratigraphyTectonics