The Upper Cretaceous Abtalkh Formation of the Kopet-Dagh Basin (northeastern Iran) was studied in four stratigraphic sections (Bahadorkhan, Hammam Galeh, Type section and Shorab). All sections display ...
The Umm er Radhuma Formation of Saudi Arabia has customarily been assigned to the Paleocene, with uninterrupted, continuous sedimentation above its basal contact with the Maastrichtian Aruma Formation ...
The Upper Cretaceous marks a pivotal stage in Earth’s history, wherein radiolarians—microscopic, siliceous-shelled protozoans—became invaluable biostratigraphic markers for correlating sedimentary ...
The Jurassic-Cretaceous boundary remains one of the most enigmatic intervals in Earth’s history. Research over recent decades has focused on refining the biostratigraphic frameworks and understanding ...
Jaramillo, Carlos A., Rueda, M., Bayona, G., Santos, C., Florez, P., and Parra, F. 2009. "Biostratigraphy breaking paradigms: dating the mirador formation in the ...
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