The Langhian was a time of clastic/carbonate deposition over many fault blocks in the Gulf of Suez due to rising eustatic sea level coupled with a warming trend. These deposits are of great interest as they are important hydrocarbon reservoirs. A detailed study on facies organization, depositional geometries and internal architecture of surface analogues helps to realize the reservoir heterogeneity. A good example is preserved in the Mellaha block that represents 80–100 m thick clastic/carbonate deposits. It comprises three facies associations indicating simultaneous accumulation in subaqueous fan-delta, nearshore lagoon and carbonate platform depending on whether they occur in footwall or hangingwall sites. The associations and environments are depicted in two depositional models that display clear insights into their characteristics. The Abu Gerfan facies association, dominated by conglomerate, denotes deposition in a footwall-derived coarse-grained fan-delta built into a shallow hangingwall basin closely adjacent to the eastern Mellaha faults (Depositional model I). The architecture of the fan-delta deposits is strictly linked to the relative movement across the fault system and the sea-level rise in the hangingwall basin. The fan-delta conglomerate grades distally and upward to limestone of the Gharamul facies association that implies deposition in a coastal lagoon. The Abu Shaar facies association is characterized by carbonates dominated by corals, microbialites and rhodoliths. It marks a reef-rimmed carbonate platform developed on a submerged footwall high at the southern end of the block due to its double asymmetry (Depositional model II). This platform is characterized by sigmoidal-bedded fringing reefs initiated on the block crest that pass westward into horizontally-bedded lagoon facies with scattered patch reefs, and eastward into inclined-bedded reef talus. Synsedimentary block tilting, eustatic sea-level rise and global warming have imposed major controls on the growth of the Abu Shaar platform. The facies associations are attributed to three rift tectonic events that record two sequences with a dominance of transgressive and highstand stratal units. These sequences are consistent with globally defined Langhian sequences, which indicate that sediment accumulation was largely controlled by eustasy with a strong overprint of rift tectonics. This result allows better regional correlations, particularly with the Miocene Mediterranean carbonate platforms.

Langhian是苏伊士湾许多断层块上碎屑/碳酸盐沉积的时期，这是由于欣喜的海平面上升以及变暖的趋势所致。这些沉积物非常重要，因为它们是重要的油气藏。对相类似物，沉积几何形状和地表类似物内部结构的详细研究有助于实现储层非均质性。一个很好的例子保存在Mellaha地块中，该地块代表了80–100 m厚的碎屑/碳酸盐矿床。它包括三个相的关联，表明它们是否同时在水下扇形三角洲，近岸泻湖和碳酸盐岩台地中聚集，这取决于它们是在下盘墙还是上盘墙现场发生。在两个沉积模型中描绘了关联和环境，这些沉积模型显示了对其特征的清晰见解。由团聚体主导的阿布格凡相相，表示沉积在深部扇状三角洲的底盘衍生的扇形三角洲中，该扇三角洲建在与东部梅拉哈断层紧邻的浅层上盘盆地中（沉积模型I）。扇三角洲沉积物的结构与整个断层系统的相对运动和上盘盆地的海平面上升密切相关。扇三角洲砾岩向远端向上倾斜，达到Gharamul相相的石灰岩，这暗示了在沿海泻湖中的沉积。阿布萨尔岩相协会的特征是碳酸盐岩以珊瑚，微辉石和菱锰矿为主。它标志着一个礁石边缘的碳酸盐台地，由于其双重不对称性（沉积模型II），在该区块南端的水下淹没的下盘壁上发育。该平台的特征是，在块状顶峰上形成了乙状河床礁石，向西进入具有分散斑块礁的水平河床泻湖相，然后向东进入倾斜河床的距骨。同沉积块倾斜，欣喜的海平面上升和全球变暖对阿布沙尔平台的生长施加了重要控制。相的关联归因于三个裂谷构造事件，它们记录了以海侵和高架层层单元为主的两个序列。这些序列与总体上定义的朗吉亚序列一致，这表明沉积物的积累在很大程度上受摇摇欲坠控制，并具有强烈​​的裂谷构造叠印。该结果允许更好的区域相关性，特别是与中新世地中海碳酸盐岩台地。