河控三角洲
- 网络River-dominated delta
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通过平面微相可以看出,P1段为河控三角洲沉积,发育大量三角洲分流河道。
From the plane depositional facies , P1 layer is the deposition of fluvial dominate delta , which develop many distributary channels .
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与HST有关的扇三角洲-冲积扇岩性圈闭、河控三角洲岩性圈闭、丘礁白云岩岩性圈闭、钙屑重力流沉积岩性圈闭;
Lithologic trap of fan delta-turbidite fan , lithologic trap of delta , lithologic trap of bioherm-reef dolostone and calcareous clastic gravity flow sediments ;
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晚期三角洲体为伸长状三角洲,为典型的河控三角洲。
The late period delta body is elongate shape , which is typical delta controlled by river .
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渤中34北区浅层主要为河控三角洲沉积,储层横向连续性差,断裂发育,构造复杂。
In the northern BZ34 block , the shallow sediments are mainly formed in a fluvial delta , with reservoir poor continuous laterally , faults well developed and structures complicated .
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上部主要为河控浅水三角洲沉积体系。
While the upper part is mainly the fluvial controlled shallow water deltaic depositional system .
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大型河控浅水三角洲沉积体系发育于鲁西石炭二叠纪含煤地层的上部,是晚古生代大规模海退时期陆源碎屑物质快速推进的产物。
He large-scale fluvial-controlled shallow-water deltaic depositional system is developed in the upper part of the Permo-Carboniferous coal measure .
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河控浅水三角洲沉积体系发育于太原组上段和山西组的中下段的高水位体系域。为海陆交替型含煤岩系的最上部地层。
Fluvial-dominated shallow water deltaic depositional system is developed in high stand system tract of upper Taiyuan formation and mid-bottom Shangxi formation , and is the top of land-sea interaction coal-bearing strata .
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研究区的石炭二叠系可以划分为四种沉积体系:潮坪沉积体系、障壁泻湖沉积体系、河控浅水三角洲沉积体系和河流湖泊复合沉积体系。
Firstly , there are four main depositional systems in the Carboniferous-Permian of the study area . They are tidal flat depositional system , barrier-lagoon depositional system , fluvial-dominated shallow water deltaic depositional system and fluvial-lacustrine depositional system .
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分析结果表明,浅水三角洲的粒度累计曲线形态和粒度C-M图特征有别于曲流河和普通河控三角洲,体现了浅水三角洲独特的水动力特征。
These grain size analyses show that the grain size probability cumulative curves and C-M patterns for the ( shallow - ) water deltas quite differ from those for the meandering streams and ( river ) - ( dominated )( deltas ), suggesting the unique hydrodynamics of the shallow-water deltas .