The presence of gas hydrate changes the acoustic properties of sedimentary strata, which makes the multi-channel seismic exploration a major method for identifying gas hydrate.
天然气水合物的存在改变沉积地层的声学特征，使得多道地震勘探成为发现天然气水合物的主要手段。
Middle Juassic marine sedimentary strata are widespread in the basin.
中侏罗统是其盆地发育最全、分布最广泛的海相沉积层系。
Some geological hazards caused by human activities are closely related to the nature of sedimentary strata in the coastal zones of China.
沿岸某些人为地质灾害与沉积层的性质有关。
The Tertiary in Qaixinan of Qaidam basin is a set of depressed lake basin sedimentary strata that have geologic condition forming lithologic traps.
柴达木盆地柴西南第三系为一套拗陷湖盆沉积地层，具备形成岩性圈闭的地质条件。
A geological surface that separates younger overlying sedimentary strata from eroded igneous or metamorphic rocks and represents a large gap in the geologic record.
分隔较年轻的上覆沉积地层与火成岩或变质岩的侵蚀面的地质界面，在地质记录上代表一个大的间断。
The ore deposit is formed by multiple geological activities of multistages and multiphases. And the major controlling factors are structure, sedimentary strata and magmatic activities.
矿床由多种地质作用经过多期多阶段形成，主要受构造、沉积地层和岩浆活动控制。
The Shixi Formation which rests unconformably on the Ehulin Formation and is unconformably overlain by the Zhoujiadian Formation is the upper part of the Mesozoic volcanic-sedimentary strata.
石溪组以不整合覆盖在鹅湖岭组之上，其上为周家店组所覆盖的中生代火山岩地层上部。
Sedimentary strata in this area mainly consist of Neogene continental strata and Marine strata.
区内沉积盖层主要为新近系的陆相和海相地层。
Sedimentary strata in this area mainly consist of Neogene continental strata and Marine strata.
区内沉积盖层主要为新近系的陆相和海相地层。
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