1) deep-water slope
深水陆坡
2) deep-water continental slope area in the northern South China Sea
南海北部陆坡深水区
3) deep shelf
深水陆棚
4) deep water slope
深水斜坡
1.
High content clay mineral shale, oil shale and marlite are the main source rocks for large oil or gas fields in the world, which formed in deep water slopes between platform and open sea.
国内外海相大油气田的烃源岩均为粘土矿物含量较高的笔石页岩、油页岩和泥灰岩,形成于由台地向海槽过渡的深水斜坡环境。
5) Slope
[英][sləʊp] [美][slop]
陆坡
1.
Geomorphology and its control of deep-water slope of the margin of the South China Sea;
南海北部陆坡的地貌形态及其控制因素
2.
Characteristics of seismic facies in the deepwater turbidite channel system on the slope of the Qiongdongnan Basin
琼东南盆地陆坡区深水浊积水道的地震相特征
3.
In the eastern part of the northern margin of the South China Sea(from the slope to the south of Taiwan Shoal),the water depth of the sea is varying from 1 000 m to 3 000 m,and the gradient of the sea floor is 8 6×10 -3 on an average.
在南海北部陆缘东部、台湾浅滩以南的陆坡上 ,海底水深 10 0 0～ 30 0 0 m ,海底坡度较小 ,平均8。
6) continental slope
陆坡
1.
Analysing and studying on development of deposition and continental slope forming from outside to inside, the paper point out its forming principle and name it as L27-1 turbidite channel sand complex,which is more satisfactorg interpretation in geology turbidite.
本文首先通过追踪对比大量的地震反射资料,在T_20-T_40层序中确认了L27-1砂体的剖面特征和平面的总体形态,进而从沉积演化与陆坡形成的由表及里分析研究中,最终揭示出它的形成机理,并命名为L27-1水道浊积砂复合体,得出了比较满意的地质解释。
2.
According to the characteristics of the sediment color,grain size and mineral compositions,as well as the records of paleomicrofossils in 86GC core,the change of the depositional environment of the southern South China Sea(SCS) continental slope since the last glacial period are analyzed.
主要依据沉积柱状样的颜色、粒度、矿物分布及其地球化学等特征,结合微体古生物记录等对南海南部陆坡末次冰期以来的沉积环境进行分析。
补充资料：大陆坡
| 大陆坡 continental slope 大陆架向海一侧，从陆架外缘较陡地下降到深海底的斜坡。它展布于所有大陆周缘，为全球性地形单元 。大陆坡上界水深多在100～200米之间；下界往往是渐变1500～3500米水深，但在邻近海沟地带，陆坡下延至更深处。大陆坡宽度约为20～100千米以上，总面积计 2870万平方千米，占全球面积5.6％。大陆坡坡度多为3°～6°，1800 米深度以上的平均坡度为 4°17′。大陆坡底质以泥为主，还有少量砂砾和生物碎屑。大陆坡基底为变薄的大陆型地壳。陆坡上还有褶皱、断裂构造，一些陆上构造线可延伸至陆坡。由于河流径流和海洋上升流作用，陆坡沉积物中可含有丰富的有机质，陆坡上有巨厚沉积层的地方具有良好的油气远景。还可有锰结核、磷灰石、海绿石等矿产。在陆坡一些上升流区可形成渔场。 |
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参考词条