Black shales have been considered as a sign of anoxic depositional environments and anoxic events for a long time.
富有机质黑色页岩的形成长期以来被认为是缺氧沉积环境的证据，并被作为全球缺氧事件的标志。
We deem that the depositional sequences, though often influenced variably by local tectonics and other factors, are primarily global and periodic in nature.
沉积层序虽不同程度地受区域性构造运动和其他因素的影响，但具有明显的全球性和周期性。
The depositional environment of Pinghu Formation was stable, broad and it is a coastal-lowland wetland which was densely covered by shallow lakes and ponds.
平湖组沉积环境为稳定、宽阔平坦的滨海低地湿地，浅湖水塘星罗棋布。
Analysis of original elemental concentrations and their changes in the formation can provide important guide to the investigation of depositional environment.
通过分析地层中原始沉积的元素含量与变化规律，建立与环境变化的相互关系，可以为研究沉积环境提供重要线索。
Continental faulted basins formed in specific depositional environment.
陆相断陷盆地具有特定的沉积环境。
Faunal assemblage are directly related to the depositional environment.
动物群落与沉积环境有直接关系。
There were obvious depositional response in the extensional faulted basin.
在伸展断陷盆地内均有明显的沉积响应。
Zhalaite; Shenshan formation; depositional environment; Carbonate microfacies.
扎莱特；神山组；沉积环境；碳酸盐微相。
Braided delta and lacustrine facies are two major depositional systems developed in Liushagang Fm.
流沙港组主要发育辫状河三角洲相和湖泊相两种沉积体系。
The subaqueous Changjiang River delta has its own distinctive depositional processes and products.
长江水下三角洲是一个以径、潮流相互作用为主的沉积体。
Diagram of deposition facies in studied area is an important achievement of depositional facies study.
研究区域的沉积相图，是沉积相研究的重要成果。
By analyses, the main reason of poor reservoir heterogeneity is the change of depositional environment.
综合分析认为，引起储层非均质性的主要原因是沉积环境的变化。
Changes in depositional base-level cycle control the development and evolution of sequence stratigraphy.
沉积基准面旋回变化控制着陆相层序地层的形成与演化。
The hydrocarbon generation, migration and accumulation are strongly controlled by depositional features.
油气的生成、运移与聚集都受沉积特征的强烈控制。
These beds are the direct evidence for the occurrence of the Neogene lacustrine depositional environment.
这是渤海新近纪湖相沉积地层存在的直接证据。
The crystalline temperature and the hardness of the amorphous electro-depositional coating were determined.
对非晶合金电沉积镀层的晶化温度和硬度进行了测定。
Different types of depositional basin held different structure styles and underwent different tectonic acting.
不同盆地类型具有不同的构造格局和构造活动特征。
The depositional slope-break belt controls the development of sediment system of eroded valley-low stand delta.
低水位时期坡折带控制了下切谷-低位三角洲沉积体系的发育。
Highstand System Tract mainly develops depositional system of offshore-meare, fluvial facies and prograded delta.
高位体系域主要发育滨浅湖相、河流相及进积型三角洲沉积体系。
For lithologic reservoirs, the width of sandstone distribution is different in different depositional environments.
对于岩性油藏，不同沉积环境所形成砂体的展布宽度是有差异的。
The maturity of sedimentary organic matter is not high and the depositional environment has strong reducing action.
该海域沉积有机质的成熟度不高，沉积环境具有强的还原性。
Authors draw and analyze depositional trend and strike sections and sandstone isopach maps by collecting a lot of bores.
通过收集大量钻孔资料，编制并分析了倾向沉积断面图、走向沉积断面图以及砂体等厚图。
This paper has studied the evolutionary tendency of depositional environment, sediment resource and its geomorphic forms.
对莱州湾的沉积环境演变趋势、泥沙资源及其沉积地貌形态进行了研究。
Dongpu depression, in which the halites were deposited in two depositional cycles, is a typical salty lacus in Bohaiwan basin.
东濮凹陷是渤海湾地区一个典型的盐湖盆地，其下第三系的两个沉积旋回沉积了两套盐岩。
The eastern part region of Qidam basin is a Quaternary depositional and subsidence center being large and extensively distributed.
柴达木盆地东部地区是第四纪的沉积与沉降中心，内陆湖泊相的沉积厚度大、分布广泛。
There are complex and regular changes in depositional facies from the early to the middle Triassic strata in the Nanpanjiang Basin.
南盘江盆地的早—中三叠世地层中，沉积相形成复杂而有序的空间变化和时间变化。
The correlation between these sequences and the depositional sequences of the plat were given on the basis of biostratigraphic data.
依据生物地层学资料和层序顺序，将这些层序与台地相区沉积层序逐一进行了对比。
The correlation between these sequences and the depositional sequences of the plat were given on the basis of biostratigraphic data.
依据生物地层学资料和层序顺序，将这些层序与台地相区沉积层序逐一进行了对比。
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