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الرئيسية > Paleoecology and Biostratigrap...>الوصف

Paleoecology and Biostratigraphy of the Paleocene and Lower Eocene units in BB1/80, K1/65, D1/82 and A1a/84 wells in the North-eastern Part of Sirte Basin

المصدر: المجلة الجامعة
الناشر: جامعة الزاوية - مركز البحوث والدراسات العليا
المؤلف الرئيسي: Abuharbah, Almagtof Ahmed (Author)
مؤلفين آخرين: Al-Fandy, Emhemmed Ali (Co-Author), Alrabib, Mohamed Ali (Co-Author)
المجلد/العدد: مج21, ع2
محكمة: نعم
الدولة: ليبيا
التاريخ الميلادي: 2019
الشهر: مارس
الصفحات: 57 - 70
رقم MD: 1264178
نوع المحتوى: بحوث ومقالات
اللغة: الإنجليزية
قواعد المعلومات: EduSearch, EcoLink, IslamicInfo, AraBase, HumanIndex
مواضيع:
علم البيئة القديمة | العصر الباليوسيني | حوض سرت | الدورة الرسوبية | ليبيا
كلمات المؤلف المفتاحية:
Stratigraphic Facies | Palynomorphs | Sirte Basin
رابط المحتوى:

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المستخلص: This study aims to investigate and evaluate the hydrocarbon potential of new prospects in the south eastern part of Concession 82 olso investigating the possibility of existence of a Paleocene reef growth in this area has been taken into consideration. In addition, to present and discuss the stratigraphic data obtained through paleontological and lithological analyses of the four wells samples that are located in the study area, and to correlate these data of these wells with the known surrounding units and to outline the pale environmental evolution of the area. The recovery of an abundant and diverse palynomorphs assemblage from the studied sections has allowed the determination of a high resolution palynomorphs bio zonation for the Upper Cretaceous, Eocene and Paleocene interval. This has been related to both the chrono- and lithostratigraphy. Fair electrical correlations between the wells D1/82 and A1a/84 allow us to extend the paleogeographic attributions of the first well to the second one. The lateral change of the stratigraphic facies, indicates the lateral variations of paleodepositional sedimentary environments which was dominated during the time of deposition of that units. The stratigraphic sequence, characterized by several sedimentary breaks and hiatuses are due to regression episodes and due to the location of the wells. A frequent presence of building skeletal organisms fragments especially in Paleocene and Eocene sediments is good evidence of existence possibility of reefs in or nearby the area of the study.

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