delta-front的意思|示意

Physical properties of the sandy conglomerate reservoirs differ greatly in different depositional environments, and the best occurs in underwater distributary channel on fan delta front.

砂砾岩储层的物性随着沉积环境的不同表现出较大的差异，且以扇三角洲前缘亚相水下分流河道微相最好。

The river for building the delta was characterised by low velocity, high discharge, high concentration of fine clay and sand, and associated with reef (shoal) in delta front.

该三角洲沉积的特征是入海河流流速低而流量大，泥沙含量高而粒级细小，在三角洲前缘伴生有生物礁(滩)。

The results show that the mineral comparative maturity of sandstones increases with the distance from the fan-delta plain to the fan-delta front;

分析表明：从扇三角洲平原到扇三角洲前缘，矿物成分成熟度呈现递增的趋势，河口坝微相的长石砂岩最为发育；

Its reservoir with secondary porosity zone is also a key for petroleum pool formation, which is of distributary channel of fan delta front.

该构造储层属三角洲前缘亚相的水下分流河道微相沉积，并存在由成岩作用形成的次生孔隙发育带。

The coastline of Shanghai is in front of the delta of Yangtze River.

上海海岸带位于长江三角洲的前缘。

The sediments of delta front around wave base plane are eroded by wave action and took along to redeposit below wave base plane, during which turbidite is formed.

波浪作用可以侵蚀浪基面附近的三角洲前缘砂体，并在回流作用下携带至最大浪基面之下再沉积，沉积过程中形成小型浊积体。