Biostratigraphy of Bajocian–Oxfordian strata based on dinoflagellate cysts and ammonites from the Dalichai Formation, northeastern Iran
E Ghasemi-Nejad, P Esmaili, MR Majidifard, M Sharifi - Palaeoworld, 2024 - Elsevier
Abstract The Bajocian–Oxfordian Dalichai Formation of the Binalud Mountains (northeastern
Iran) consists of marls, marly limestones and limestones that were sampled and studied in
detail for their palynomorph and ammonite contents. Palynological studies enabled
differentiation of three marine biozones (Cribroperidinium crispum, Dichadogonyaulax
sellwoodii, and Ctenidodinium continuum) within the lower interval of the formation. The
palynofacies analysis shows a gradual sea-level rise during the depositional period of the …
Iran) consists of marls, marly limestones and limestones that were sampled and studied in
detail for their palynomorph and ammonite contents. Palynological studies enabled
differentiation of three marine biozones (Cribroperidinium crispum, Dichadogonyaulax
sellwoodii, and Ctenidodinium continuum) within the lower interval of the formation. The
palynofacies analysis shows a gradual sea-level rise during the depositional period of the …
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