delta plain
[地理] 三角洲平原
2025-09-06 22:51 浏览次数 10
[地理] 三角洲平原
1. the level or nearly level surface of a delta
channelized delta plain渠化三角洲平原
lower delta plain下三角洲平原
delta a plain三角洲平原
delta distributary plain三角洲分流平原
delta-plain distributary channel三角洲平原分流河道
braided delta plain辫状河三角洲平原
delta plain branch三角洲平原分支
Delta-plain facies三角洲平原相
the delta plain facies is characterized by distributary channel sands and rooted and bioturbated flood plain sediments.
浪控三角洲的平原部分以分流河道和含植物根系和生物扰动构造的泛滥平原沉积为特征。
the source rocks are mainly formed in interdeltaic bay and lower delta plain environments where intermediate subsidence is kept and there is little input of the sediments from land.
烃源巖主要形成于三角洲间湾和下三角洲平原,这里沉降幅度中等且陆源供给受到限制。
delta plain facies and delta front facies chiefly exist from this area.
研究认为该区主要发育三角洲前缘亚相和三角洲平原亚相。
the b seismic facies are located in the northwestern edge of the depression is inferred as delta plain sand and gravel.
相带b位于沉积区的西北边缘为平坦三角洲的沙砾。
it suggests that the reservoirs with the branch channel sand in the delta plain and front and coarse to medium sandstones are the important exploration targets in the future.
建议今后勘探应注重三角洲平原亚相和前缘亚相的分支河道砂、河口砂坝中的块状粗—中砂巖储层。
the lake「s delta developed and lake」s surface decreased. from then to the han dynasty, the delta plain developed and small lakes and swamps formed.
商周至秦汉时期,洞庭湖三角洲平原发育,河间洼地湖泊、沼泽形成。
the chang-61, with the ne-sw extension of the distributary channels alternated with the inter-distributary bays, consists of delta plain facies.
长6~1为三角洲平原亚相,分流河道和分流河道间沉积也呈北东—南西向条带状相间分布。
delta plain and estuary of the jiulongjiang river.
九龙江三角洲平原;
the widely developed sandstones of the shore sand platform, the delta plain and delta front are a basic condition for the development of excellent reservoirs.
该区广泛发育的三角洲平原和前缘的分流河道及滨湖砂坪微相砂巖是优质储层发育的基本条件。
this pa per is the second part of the theses, which mainly discusses the geomorphological characteristics and evolution of the underwater delta plain in minjian estuary.
本文为其第二部分,主要探讨闽江口水下三角洲平原的地貌特征及演变。
in china today, 94.97 million ha of land are cultivated, mainly in the northeast plain, the north china plain, the middle-lower yangtze plain, the pearl river delta plain and the sichuan basin.
中国现有耕地9497万公顷。东北平原、华北平原、长江中下游平原、珠江三角洲和四川盆地是耕地分布最为集中的地区。
the distributary channel subfacies in delta plain are the combination of uphill arched pattern and typical bi-segment pattern.
该区三角洲平原水上分流河道微相为典型两段式和宽缓上拱式组合;
there are three deltaic types developed in lacustrine strata i. e. normal braid and fan deltas which consist of delta plain delta front and front delta.
摘要在湖泊中存在三种三角洲类型,即正常三角洲,辫状三角洲和扇三角洲。
braid delta systems mainly consist of braid river deposits in delta plain facies, rapid accumulation deposits, slump deposits and turbidites in delta front and prodelta facies.
辫状三角洲体系的平原相基本上由辫状河道沉积组成,三角洲前缘及前三角洲相带则以快速堆积、滑塌及浊流沉积为主。
the most favourable depositional environment for coal accumulation is the seashore plain formed by regression and the delta plain formed by the entering of rivers into the shallow bay.
聚煤最有利的沉积环境是海退形成的滨海平原和河流注入浅水海湾形成的三角洲平原。
the carboniferous-permian systems consist of strand plain, delta plain and alluvial plain deposits developed in gulf environment in shouyang-yangquan area of shanxi province.
本区石炭—二叠系是在海湾背景下发育的一套由滨海平原—三角洲平原—沖积平原沉积组成的海退层系。