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首页> 外文期刊>Facies >Late Jurassic facies architecture of the Zloczew Graben: implications for evolution of the tectonic-controlled northern peri-Tethyan shelf (Upper Oxfordian-Lower Kimmeridgian, Poland)
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Late Jurassic facies architecture of the Zloczew Graben: implications for evolution of the tectonic-controlled northern peri-Tethyan shelf (Upper Oxfordian-Lower Kimmeridgian, Poland)

机译：Zloczew Graben的侏罗纪晚期相构造：对构造控制的北部特提斯陆架的演化的影响（波兰上牛津盆地-下基米底甸）

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摘要

In recent years, numerous wells have been completed in the area of the Zloczew Graben. Drill cores and data collected from wells have led to the recognition of an Upper Oxfordian-Lowermost Kimmeridgian sequence and to the construction of a 3D model of the graben with distribution of facies. Six facies types were distinguished, composed of numerous microfacies representing outer-, middle-, and inner-ramp depositional systems. The boundary of the Planula/Platynota zones is indicated by the transition from mid-inner carbonate ramp facies to mixed, carbonate-siliciclastic outer-ramp facies, as well as by appearance of debrites and calciturbidites. The distribution of gravity-flow deposits reflects the pattern of fault zones of the Zloczew Graben and their Late Jurassic activity. Comparison of Oxfordian-Lowermost Kimmeridgian facies types from central and southern Poland enabled the reconstruction of the general facies architecture in the Polish part of the northern peri-Tethyan shelf belonging to the Malopolska Block. The distribution of Upper Oxfordian-Lowermost Kimmeridgian facies follows the block structure of the basement and was controlled by reactivation of Paleozoic tectonic blocks in the Late Jurassic. The results of studies in the Polish basin correspond well to Upper Oxfordian-Lower Kimmeridgian sequences known from the ramp systems of western Europe where the basic change in deposition, from a carbonate ramp towards mixed, carbonate-siliciclastic sedimentation, was related to both North Atlantic and western European tectonics.
机译：近年来，Zloczew Graben地区已经完成了许多井。从井中收集的钻芯和数据已导致对牛津上-最基米底纪序列的认识，并构造了具有相分布的grab的3D模型。区分出六种相类型，由代表外斜坡，中斜坡和内斜坡沉积系统的众多微相组成。从中部内部碳酸盐斜坡相到混合的碳酸盐-硅质碎屑岩外斜坡相的转变以及碎屑和钙铝石的出现表明了Planula / Platynota带的边界。重力流沉积物的分布反映了Zloczew Graben断层带的模式及其晚侏罗世活动。通过比较波兰中部和南部的牛津-最基西米底风相类型，可以重建北部的特提斯洋陆架属于Malopolska区块的波兰部分的一般相结构。上牛津-最西基米底亚相的分布遵循基底的块状结构，并受晚侏罗世古生代构造块的活化作用控制。波兰盆地的研究结果与西欧的斜坡系统中已知的上牛津-下基米德纪纪序列非常吻合，在西欧的斜坡系统中，沉积的基本变化，从碳酸盐岩坡向混合碳酸盐硅质碎屑沉积，与北大西洋都有关。和西欧构造。

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