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Microfacies of Deep-water Deposits and Forming Models of the Chinese Continental Scientific Drilling-SKII

机译:中国大陆科学钻探SKII的深水沉积微相与形成模型

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摘要

湖水的广泛的违反在 Songliao 盆发生在白垩纪 Qingshankou 阶段和 Nengjiang 阶段期间,形成普遍深海的存款。深海的存款的微外形的十一种类型从 SKII 在连续核心岩石中被认出了,包括静止的水,泥灰岩, dolostone ,油页岩,暴烈的灰, turbidite ,商业萧条沉积, tempestite , seismite , ostracoda 石灰石和晶石的碳酸盐的泥石头,它被划分成二种类型:由于逐渐地改变环境产生的微外形(Ⅰ) 和微外形由于地质的事件产生了(Ⅱ) 。打字我由象泥灰岩,白云石石头和油那样的一些特殊好谷物沉积组成页岩以及泥石头和类型 II 由与地质的事件有关的一些沉积组成,例如暴烈的灰, turbiditie,商业萧条沉积, tempestite, seismite, ostracoda 石灰石。晶石的碳酸盐的形成可以被与环境和事件有关的因素控制。通常,静止的水的泥石头沉积能被认为是背景沉积,并且剩余的沉积都是事件沉积,它有独特形成的模型,它可以思考控制 climatics 和 tectonics 的效果。
机译:Extensive transgression of lake water occurred during the Cretaceous Qingshankou Stage and the Nengjiang Stage in the Songliao basin, forming widespread deep-water deposits. Eleven types of microfacies of deep-water deposits have been recognized in the continuous core rocks from the SKII,including mudstone of still water, marlite, dolostone, oil shale, volcanic ashes, turbidite, slump sediment, tempestite, seismite, ostracoda limestone and sparry carbonate, which are divided into two types: microfacies generated due to gradually changing environments (Ⅰ) and microfacies generated due to geological events (Ⅱ). Type Ⅰ is composed of some special fine grain sediments such as marlite,dolomite stone and oil shale as well as mudstone and Type Ⅱ is composed of some sediments related to geological events, such as volcanic ashes, turbiditie, slump sediment, tempestite, seismite, ostracoda limestone. The formation of sparry carbonate may be controlled by factors related to both environments and events. Generally, mudstone sediments of still water can be regarded as background sediments, and the rest sediments are all event sediments, which have unique forming models, which may reflect controlling effects of climatics and tectonics.

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