Seven planktic foraminiferal zones are distinguished in the Maastrichtian-Paleocene succession at the north Farafra Oasis. These are the Rugoglobigerina hexacamerata (CF8b), Gansserina gansseri, and Contusotruncana contusa zones in the Maastrichtian topped by a well-known unconformity across the Cretaceous/Paleogene (K/Pg) boundary. The Danian is subdivided into two biozones: Globanomalina compressa/Praemurica inconstans-Praemurica uncinata Subzone (P1c) and Praemurica uncinata–Morozovella angulata (P2) Zone. The Late Paleocene is divided into two zones: Morozovella angulata-Globanomalina pseudomenardii (P3) and Globanomalina pseudomenardii (P4). A minor hiatus between the Danian/Selandian and Selandian/Thanetian boundaries are also recorded. These time gaps across the stage boundaries may be related to the tectonic events that affected the sedimentation regime throughout the Upper Cretaceous–Lower Paleogene interval in the Farafra Oasis.
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Egyptian Petr Res Inst, Nasr City, EgyptEgyptian Petr Res Inst, Nasr City, Egypt
Farouk, Sherif
Khalifa, Mohamed A.
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Menoufia Univ, Fac Sci, Geol Dept, Shibin Al Kawm, Menofia Governo, EgyptEgyptian Petr Res Inst, Nasr City, Egypt
Khalifa, Mohamed A.
Abu El-Hassan, Mohamed Mahmoud
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Menoufia Univ, Fac Sci, Geol Dept, Shibin Al Kawm, Menofia Governo, EgyptEgyptian Petr Res Inst, Nasr City, Egypt
Abu El-Hassan, Mohamed Mahmoud
Papazzoni, Cesare Andrea
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Modena & Reggio Emilia Univ, Dept Chem & Geol Sci, Modena, MO, ItalyEgyptian Petr Res Inst, Nasr City, Egypt
Papazzoni, Cesare Andrea
Frontalini, Fabrizio
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Urbino Univ, Dept Pure & Appl Sci DiSPeA, Urbino, ItalyEgyptian Petr Res Inst, Nasr City, Egypt
Frontalini, Fabrizio
Coccioni, Rodolfo
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Urbino Univ, Dept Pure & Appl Sci DiSPeA, Urbino, ItalyEgyptian Petr Res Inst, Nasr City, Egypt
Coccioni, Rodolfo
Zaky, Amr S.
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Menoufia Univ, Fac Sci, Geol Dept, Shibin Al Kawm, Menofia Governo, Egypt
Urbino Univ, Dept Pure & Appl Sci DiSPeA, Urbino, ItalyEgyptian Petr Res Inst, Nasr City, Egypt
机构:
King Abdulaziz Univ, Fac Earth Sci, Dept Petr Geol & Sedimentol, Jeddah, Saudi Arabia
Menoufiya Univ, Fac Sci, Geol Dept, Shibin Al Kawm, EgyptKing Abdulaziz Univ, Fac Earth Sci, Dept Petr Geol & Sedimentol, Jeddah, Saudi Arabia
Wanas, H. A.
Abu Shama, A. M.
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Kafrelsheikh Univ, Fac Sci, Geol Dept, Kafr Al Sheikh, EgyptKing Abdulaziz Univ, Fac Earth Sci, Dept Petr Geol & Sedimentol, Jeddah, Saudi Arabia
Abu Shama, A. M.
El-Nahrawy, S. A.
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Kafrelsheikh Univ, Fac Sci, Geol Dept, Kafr Al Sheikh, EgyptKing Abdulaziz Univ, Fac Earth Sci, Dept Petr Geol & Sedimentol, Jeddah, Saudi Arabia