Facies development and paleoenvironment of the Hajajah Limestone Member, Aruma Formation, central Saudi Arabia

El‐Sorogy, Abdelbaset S.; Ismail, Abdelmoneim; Youssef, Mohamed Ben; Nour, Hamdy E.

doi:10.1016/j.jafrearsci.2016.09.037

Cited by 5 publications

(1 citation statement)

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“…A high‐energy shallow subtidal environment is inferred. Based on the occurrence of corals, a clear warm water in a well‐oxygenated, open lagoon back‐reef environment is proposed (El‐Sorogy, Ismail, Youssef, & Nour, 2016).…”

Section: Resultsmentioning

confidence: 99%

Isotope stratigraphy (⁸⁷Sr/⁸⁶Sr,¹³C) and depositional sequences of the Aruma Formation, Saudi Arabia: Implications to eustatic sea‐level changes

et al. 2020

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Lithofacies characteristics, depositional architecture (facies tracts and depositional sequences), stable isotopes (δ 18 O and δ 13 C), and 87 Sr/ 86 Sr ratios were analysed from the Aruma Formation at the Khashm Buwaibiyat section (north-east Riyadh, Saudi Arabia). The Aruma Formation consists of three formal members (base to top), Khanasir, Hajajah, and Lina members. Based on 87 Sr/ 86 Sr and δ 13 C data, the lower age of the regionally distributed Aruma Formation (Khanasir Member) is now proposed as Late Campanian. This age assignment is supported by the identification of a distinct δ 13 C negative excursion (=Epsilon Event; Upper Campanian), and a globally conformable range of 87 Sr/ 86 Sr values (0.707604-0.707703). Additionally, a review of previous fauna (ammonites and nannofossils) also favours this age assignment. The 87 Sr/ 86 Sr values (0.707817-0.707848) from the upper part of the Hajajah Member reflects a Late Maastrichtian signature as also noted by the presence of a longterm δ 13 C decrease. Additionally, based on lithofacies and depositional architecture for the Aruma Formation, nine facies types are identified. These are grouped into four facies associations (restricted peritidal, lagoon inner ramp, shoal transgressive lag, and coral reefs), reflecting four third-order depositional sequences (transgression-regression cycles). These reflect strong influence of both eustatic sea-level rise and regional tectonics (resulting in widespread unconformities and long-time gaps). The shallowing and deepening of the sea level is inferred using sequence stratigraphy (system tracts) and lithofacies variations. This data suggests a gradual rise in sea level from the Upper Campanian to the Maastrichtian with an intervening fall around the Campanian-Maastrichtian boundary.

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Section: Resultsmentioning

confidence: 99%

Isotope stratigraphy (⁸⁷Sr/⁸⁶Sr,¹³C) and depositional sequences of the Aruma Formation, Saudi Arabia: Implications to eustatic sea‐level changes

et al. 2020

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Campanian–Maastrichtian unconformities and rudist diagenesis, Aruma Formation, central Saudi Arabia

et al. 2019

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Geochemistry and regional stratigraphy of the Upper Cretaceous succession of central Saudi Arabia: A record of foreland basin inception on the Arabian Plate

Fallatah,

Alnazghah,

Kerans

et al. 2025

Cretaceous Research

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Facies development and paleoenvironment of the Hajajah Limestone Member, Aruma Formation, central Saudi Arabia

Cited by 5 publications

References 9 publications

Isotope stratigraphy (⁸⁷Sr/⁸⁶Sr,¹³C) and depositional sequences of the Aruma Formation, Saudi Arabia: Implications to eustatic sea‐level changes

Isotope stratigraphy (⁸⁷Sr/⁸⁶Sr,¹³C) and depositional sequences of the Aruma Formation, Saudi Arabia: Implications to eustatic sea‐level changes

Campanian–Maastrichtian unconformities and rudist diagenesis, Aruma Formation, central Saudi Arabia

Geochemistry and regional stratigraphy of the Upper Cretaceous succession of central Saudi Arabia: A record of foreland basin inception on the Arabian Plate

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Facies development and paleoenvironment of the Hajajah Limestone Member, Aruma Formation, central Saudi Arabia

Cited by 5 publications

References 9 publications

Isotope stratigraphy (87Sr/86Sr,13C) and depositional sequences of the Aruma Formation, Saudi Arabia: Implications to eustatic sea‐level changes

Isotope stratigraphy (87Sr/86Sr,13C) and depositional sequences of the Aruma Formation, Saudi Arabia: Implications to eustatic sea‐level changes

Campanian–Maastrichtian unconformities and rudist diagenesis, Aruma Formation, central Saudi Arabia

Geochemistry and regional stratigraphy of the Upper Cretaceous succession of central Saudi Arabia: A record of foreland basin inception on the Arabian Plate

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Isotope stratigraphy (⁸⁷Sr/⁸⁶Sr,¹³C) and depositional sequences of the Aruma Formation, Saudi Arabia: Implications to eustatic sea‐level changes

Isotope stratigraphy (⁸⁷Sr/⁸⁶Sr,¹³C) and depositional sequences of the Aruma Formation, Saudi Arabia: Implications to eustatic sea‐level changes