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首页> 外文期刊>Precambrian Research >Evolution of Neoproterozoic basins within the Yangtze Craton and its significance for oil and gas exploration in South China: An overview
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Evolution of Neoproterozoic basins within the Yangtze Craton and its significance for oil and gas exploration in South China: An overview

机译：长江牧师内部乡村古代盆地的演变及其对华南石油和天然气勘探的意义：概述

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摘要

Based on a comprehensive review of published results, the plate tectonic setting of the Neoproterozoic basins in the Yangtze Craton can be summarized as evolving from the Qingbaikou convergent continental margin to the Nanhua-Sinian divergent continental margin. Four phases of basin evolution are identified in the Neoproterozoic Yangtze Craton based on the prototype basin classification scheme: a) the early Qingbaikou period (ca. 1000-820 Ma), with back-arc spreading basins on the western and northern Yangtze margins and the interior, and a retro-arc foreland basin on the southeastern Yangtze margin; b) the late Qingbaikou period (ca. 820-720 Ma), with back-arc spreading basins on the western and northern Yangtze margins and extensional down-faulted basins on the southeastern Yangtze margin and the interior of the carton; c) the Nanhua period (ca. 720-635 Ma), with rift basins on the southeastern, western, and northern Yangtze margins and the interior; and d) the Sinian period (ca. 635-541 Ma), with intracratonic rift basins in the interior of Yangtze Craton and divergent marginal subsidence basins on the southeastern and northern Yangtze margins. The temporal sequence and spatial distribution of the major prototype basins associated with the four stages of basin evolution in the Yangtze Craton were further identified. By comparing the petroleum exploration practices in China and abroad, this paper concludes that the Nanhua rift basins on the southeastern and northern Yangtze margins, the Sinian divergent marginal subsidence basins on the southeastern and northern Yangtze margins and the intracratonic rift basins in the interior Yangtze Craton were most conducive to source rock formation and are target regions for future oil and gas exploration.
机译：基于对公布结果的全面审查，长江牧师中环保古代盆地的板构造设定可以概括为南华北欧融合大陆边缘的清巴沟会聚大陆边缘的发展。基于原型盆地分类方案的Neoproterozoice Yangtze Craton中确定了四个阶段的盆地演化：a）早期清巴口时期（约1000-820 mA），在西部和北部的边缘边缘和北部边缘的后弧散布盆地内部，以及东南长江边缘的复古前陆盆地; b）晚清巴口时期（约820-720 mA），在西部和北部的长江边缘和北部扬子边缘和纸箱内部的射击盆地的后弧散布盆地; c）南华时期（约720-635 mA），东南部，西方和长江北部边缘和内部的裂谷盆地;和D）窦时期（约635-541 mA），在长江克拉顿内部，东南部和北部北部利润率发散的边际沉降盆地。进一步鉴定了与长江CRATON中盆地演化的四个阶段相关的主要原型盆地的时间序列和空间分布。通过比较中国和国外的石油勘探实践，本文得出结论，南华裂谷盆地东南部和北部的北部利润，窦道发散边际沉降盆地东南部和北部长江边缘和内部长江内部的颈部裂缝盆地。最有利于源岩层，是未来石油和天然气勘探的目标区域。

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