湖相沉积
- 网络Lacustrine sedimentation;lacustrine deposit;lake sediments;lake deposit
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济阳坳陷下第三系湖相沉积的层序地层学分析
Sequence stratigraphic analysis of Eogene system lacustrine deposit in Jiyang Depression
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廊固凹陷沙三下段为深水湖相沉积,局部发育洪水成因的浊积砂体。
Sha3 lower member in Langgu Sag is deep-water lacustrine deposit , and turbidite sand body reservoir of flood genesis is found in An421 well in Zhongchakou area .
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下白垩统剥蚀厚度一般为1000~2000m,原始沉积厚度约2000~4500m,厚度变化较大,发育面积较大的湖泊,有较深湖相沉积,为一断陷型盆地;
The Lower Cretaceous formation is fault basin with erosion thickness of 1000-2000m and original sedimentary thickness of 2000-4500m .
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结合AMS测年和地球化学分析,可以推断出洪湖在1200a来经历了沼泽沉积和湖相沉积。
By combination AMS dating and geochemistry analyses , it can be deduced that Honghu Lake experiences swampy and lacustrine sediment from last 1200a .
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西太平洋含油带的湖相沉积与烃类聚集
Lacustrine sedimentation and hydrocarbon accumulation in the Western Pacific oil-bearing belt
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湖相沉积岩中的同生变形构造及其地质意义
Contemporaneous deformed structures in lacustrine sedimentary rocks and their geological significance
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我国西部内陆型晚冰期环境特征的湖相沉积记录
Inland Lacustrine Record of Environmental Change during Late Glaciation in West China
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额济纳盆地晚更新世以来湖相沉积记录与环境演变
Environmental Changes from Lacustrine Record Since Late Pleistocene in Ejina Basin , NW China
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用地层倾角测井资料划分湖相沉积的微相
Subdividing lacustrine facies with the dipmeter data
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这是渤海新近纪湖相沉积地层存在的直接证据。
These beds are the direct evidence for the occurrence of the Neogene lacustrine depositional environment .
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三水盆地古近系下部湖相沉积的稀土元素地球化学特征及其古气候意义
Rare Earth Element Records of the Lower Paleogene Sediments in the Sanshui Basin and Their Paleoclimate Implications
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世界上很大一部分油气资源赋存于湖相沉积盆地中,特别是我国具有陆相湖盆成油的显著特点。
Much of the oil and gas resources reside in lake basins in the world including China .
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东亚南北气候区现代土壤及湖相沉积中生物标志物特征与气候意义谢迪亚克-东二氏症候羣
Characteristics and Climatic Implications of Biomarkers in Modern Soils along North-south Transection of East Asia and Lacustrine Sediments
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宝一段沉积时期,断陷进入断坳转化阶段,半深湖相沉积为主。
Rifting enters fault hollow transforming period in Bao Ι phrase sedimentary period , characterized by half-deep lake facies sediments .
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本区深湖相沉积十分发育,并在此背景上沉积了近岸浊积扇和典型的浊积岩。
Near shore turbidite fan and typical turbidite rock are deposited on well developed deep lake facies sediments in this area .
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长6油层组为三角洲相沉积,研究区西南部发育浅湖相沉积。
By contrast , the Chang-6 is featured by delta facies with shallow lacustrine facies in the southwestern part of the study area .
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湖相沉积有机质中羧酸类化合物特征及其地球化学意义碳酸盐岩烃源岩有机质丰度测井评价方法
Characteristics of carboxylic acid in lacustrine depositional organic matter ane its geochemical significances evaluation of organic matter content in carbonate source rock by using log data
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渤中坳陷上第三系明化镇组与馆陶组发育浅湖相沉积,是华北含油气盆地上第三系储盖组合最佳的地区;
A shallow lake facies is developed in Neogene Minghuazhen and Guantao Formation , making Bozhong Sag the best area of Neogene reservoir seal combination in North China Basin ;
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在凝缩体的概念、陆相盆地中湖相沉积层序形成的主控因素、体系域的划分以及陆相层序地层学的研究方法等方面,提出了探讨性的意见。
The concept of condensed body , main controlling factors of lacustrine sedimentary sequence , classification of system tracts , and research methods of continental sequence stratigraphy are discussed .
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柴达木盆地中南部处于盆地西部第三系含油气系统和盆地东部第四系含油气系统之间,第三纪接受了巨厚的湖相沉积。
The central south Qaidam basin lies between the western Tertiary petroleum systerm and the eastern Quaternary petroleum system , and accepted very thick lake facies deposits in the Tertiary .
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通过生物标志化合物及沉积环境探讨,揭示该盆地具有还原&弱还原的湖相沉积水体沉积环境特征。
The characterization that this basin has rich palaeophyte and restore – weak restore lacustrine sedimentation water body and depositional environment is revealed by probing into the biomarker and depositional environment .
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指出了沙四段主要为低位体系域和水进体系域,其中低位体系域发育冲积扇-扇三角洲-湖相沉积体系,水进体系域发育扇三角洲-湖相沉积体系。
The lowstand system tract had developed alluvial fan - fan delta - lake facies sedimentary system , and transgressive system tract had developed fan delta - lake facies sedimentary system .
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先锋硅藻土矿床发育在一小型山间地盆内,时代为晚第三纪中新世,属水体平静,适温内陆湖相沉积。
Xianfeng diatomaceous deposit developed in a small intermountain basin in Miocene Period of Upper Tertiary belongs to the sediment of in land lake facies with calm water and well temperature .
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陆相沉积以河流湖泊相为主,其基本特征有:长期快速沉降的湖相沉积盆地是陆相生油的发育区;
Terrestrial sediments consist mainly of fluvial and lacustrine facies have the following characteristics : Lacustrine basins have undergone a long continuous and fast subsidence and contain many terrestrial source rock sequences ;
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而北部内流湖盆地区多为湖相沉积、且受气象因素制约,水资源多以固体形式存在,因而地下水资源总体贫乏。
But most of flows-in lake basin area is lacustrine facies sediment , and for the weather , water resource exist mainly as solid form , and the groundwater resource is indigence .
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湖相沉积节律的研究对于了解天文周期-气候-湖相沉积之间的关系,对于湖相地层的精确对比都具有重要意义。
The research on the lacustrine sedimentary rhythm of high frequency is important for understanding the relationships among astronomical period , climate , lacustrine sediments , and for the precise correlation of lacustrine strata .
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断裂对沉积体系控制作用的分析表明,在海相和湖相沉积体系中,单一断裂以及断裂组合的坡折带位置都是油气富集的主要区域;
With the analysis of faults and sedimentary systems , the slope break zones of lonely fault or fault combination are mainly locations of oil-gas accumulation in the sedimentary system of marine and lacustrine facies .
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本文结合工程实际,通过对湖相沉积软土上分级加载的堆石坝进行稳定性分析,指导了工程安全施工,收到了一定的效果。
This paper discusses the engineering construct which achieves some effect through combining engineering practical situation with the study on stability analysis of the dam that is under multi-stage preloading in some sedimentation areas of lake facies .
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西岸陡坡带以冲积扇和扇三角洲沉积为主,东岸缓坡带以河流三角洲、辫状三角洲占优势,盆地中心为湖相沉积。
The major sedimentary facies were alluvial fan facies and fan delta facies in the west , and stream delta and braided delta in the east , with a lacustrine facies in the centre of the fault basin .
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松辽盆地虽是陆相盆地,但在白垩纪中期的两次全球性板块活动控制下,造成大面积富营养深水湖相沉积,为良好的生油岩。
Although Song Liao Basin is a continental basin , it has a large area of deep-lacustrine deposits with abundant nutrition to form good source rocks , due to action by twice global plate activities during the Middle Cretaceous .