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- submarine fan valley 海底扇谷
- Submarine fan is the main sedimentary features of Shuangyang Formation.The transgressive and regressive cycles are co-existed on the vertical section. 湖泊水下扇沈积为该区地层的主要沈积特徵，在垂向上具有进积型和退积型两种类型。
- The sedimentation of deep submarine fan is mainly controlled by geological structure, terrain, sea-level change and provenance climate. 深海扇的沉积作用主要受地质构造、地形地貌、海平面变化、物源区的气候等因素的控制。
- According to the minerals, textures, structures and occurrence of sedimentary rocks, the submarine fan can be divided into six subfacies. 根据沉积岩的矿物成分、结构、构造和产状特徵，可将这些海底扇分为6个亚相。
- The submarine fan with completely inner, middle and outer fan can be divided into progressive and regressive sequence, which were composed of sandstone bodies formed by turbidity flow. 海底扇具有完整的内扇、中扇与外扇组合，可划分出进积型和退积型两种序列类型，它们多半是由浊流形成的各种砂体组成的。
- Compared with onshore and shallower water areas, deep submarine fan is quite different in hydrocarbon exploration due to its uniqueness in sedimentary process and hydrocarbon accumulation. 由于沉积成因机理和油气成藏规律的特殊性，深海扇油气勘探与陆地及浅海区的油气勘探有着显著差异。
- Many large rivers in the world have great submarine fans in their estuarine area, with the Bengal Fan the biggest. 世界许多大河口外都发育有大型深海扇，其中最大的为孟加拉深海扇。
- The sandy conglomerate bodies of nearshore submarine fans are better in hydrocarbon accumulation conditions and their oil and gas reservoirs are higher in production. 近岸水下扇砂砾岩体成藏条件较好，油气藏产量较高；
- Due to the regression, the submarine fans evolved into waning stage in the Late Cretaceous and the sedimentary rocks changed from shales to coarse sandstones even conglomerates. 晚白垩世总体上属于海退过程，海底扇处于消亡阶段，其岩石由泥岩类向砂岩类直至砾岩类演化。
- Keywords mapping method;flysch;submarine fan;sequence stratigraphy; 填图方法;复理石;海底扇;层序地层;
- The slide cut off the valley from the rest of the world. 山崩切断了这个山谷与外界的联系。
- They are building a submarine cable tunnel. 他们正在建设一条海底电缆隧道。
- The infatuated fan stalked the celebrity. 那位着了迷的崇拜者追踪这位名人。
- This destroyer can overrun any submarine. 这艘驱逐舰的速度比任何潜水艇都快。
- She glanced shyly at him from behind her fan. 她羞怯地从她的扇子后面看了他一眼。
- He has a large farm in the Mississippi Valley. 他在密西西比河流域拥有一个大农场。
- The glider was soaring above the valley. 那架滑翔机在山谷上空滑翔。
- The vessel was ruined by a submarine. 那艘船是被潜水艇毁坏的。
- I'm a secret fan of soap operas on TV. 我从不声张我是电视连续剧迷。
- My home town lies low in a hidden valley. 我的家乡位于一个隐蔽的山谷里。
