Cretaceous to Miocene, Transgressive Regressive Sequences of Northern Zelten Platform, Sirt-Basin, Libya
| المصدر: | مجلة الأستاذ |
|---|---|
| الناشر: | جامعة طرابلس - نقابة أعضاء هيئة التدريس |
| المؤلف الرئيسي: | Harsha, Senusi M. (Author) |
| المجلد/العدد: | ع10 |
| محكمة: | نعم |
| الدولة: |
ليبيا |
| التاريخ الميلادي: |
2016
|
| الشهر: | ربيع |
| الصفحات: | 41 - 52 |
| رقم MD: | 851136 |
| نوع المحتوى: | بحوث ومقالات |
| اللغة: | الإنجليزية |
| قواعد المعلومات: | EduSearch |
| مواضيع: | |
| كلمات المؤلف المفتاحية: |
Sirt Basin | Transgression | Regression | Carbonates | Evaporates | Cretaceous | Miocene
|
| رابط المحتوى: |
| المستخلص: |
Four marine transgressive and regressive cycles, were recognized from Cretaceous to Miocene time, one is represented when the origin of the Sirt Basin is attributed to the collapse of the Sirt arch, during Latest Jurassic to early Cretaceous time. In this cycle, the sedimentation had only taken place on the line base of the arch. The Jurassic sediments partially transgressed the arch but are only represented in the flanks due to erosion and uplift. The second cycle of the Transgression was represented after the northern Tibesti-Sirt uplift collapsed in the beginning of the Cretaceous and during the Upper Cretaceous (Maastrichtian) time. Big Paleocene Transgression is the third cycle recorded; the deposition was represented by shale sequence (Hagfa shale) in the study area. The carbonate regressive sequence during the Upper Paleocene (Landanian), the Lower Eocene (Ypresian), and the Middle Eocene (Lutetian) are overlain by the fourth Upper Eocene Transgressive shale cycle. This cycle is represented by Augila shale. The sequence was followed by deposition of shallowing-upward regressive carbonates and evaporates sequence during the Oligocene and Miocene time. |
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Cyclic Transgressive And Regressive Sequences During Cretaceous Time Northern Zelten Platform Sirt Basin Libya
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