决口扇 meaning in English
crevasse splay
Examples
- The depositional sequences of meandering river are typical of the development of point bars , crevasse - splays , natural levees and flood plains
曲流河沈积以发育点砂? 、决口扇、天然堤和泛滥平原等微相单元?特徵。 - And the fluvial genetic unit includes point bar , the bottom of channel , bursted fan , bursted channel , natural bank , over - bank deposits , small lake of flooding plain and swamp and so on
成因相包括点坝、河道底部沉积、决口扇及决口河道、天然堤及越岸沉积、泛滥平原小型湖及沼泽等。 - The main sedimentary microfacies are submerged distributary channel , debouch bar , submerged natural levee and flood - plain splay . the research shows that the physical property of subermerged distributary channel sandbodies are the best and debouch bar comes second
长4 + 52长62油层砂体的沉积微相类型主要有水下分流河道、河口坝、水下天然堤和水下决口扇等，其中水下分流河道砂体的物性相对最好，其次为河口坝砂体。 - And the delta genetic unit includes distributary channel , distributary bay , small lake of delta plain , swamp , distributary estuary bar , frontal delta mud and sandy density flow and so on . the fluvial system is composed of channel , channel side and flooding basin
其成因相包括分流河道、决口扇及决口河道、分流间湾、三角洲平原小型湖、沼泽、分流河口坝、前三角洲泥及砂质重力流等；该区河流体系由河道、河道边部及泛滥盆地等沉积组合构成。 - According to observing the core and well logging facies analysis , yanchang 4 + 5 sector to yangchang 3 mainly developed underwater distributary channel , river mouth bars , underwater natural levee , underwater crevasse splay , interdistributary bay , far bars , etc . and some shallow lake subfacies
根据岩芯观察以及测井相分析，认为长4 + 5 ?长3期以水下分流河道、河口砂坝、水下天然堤、水下决口扇、分流间湾和远砂坝等沉积微相以及部分浅湖亚相沉积为主。