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首页> 外文会议>Meeting of the Gulf Coast Section of the Society of Economic Paleontologists and Mineralogists >Structural Characterization and Tectonic Evolutional Onshore-Offshore Model at the Mexican Northwestern Portion of the Gulf of Mexico
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Structural Characterization and Tectonic Evolutional Onshore-Offshore Model at the Mexican Northwestern Portion of the Gulf of Mexico

机译：墨西哥湾墨西哥西北部的结构表征与构造进化陆上近海模型

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A regional evolutional tectonic model, typical of passive margin basins was constrained at the Mexican northwestern portion of the Gulf of Mexico, in the area known as the Northern Gulf Salt Province (NGSP). Four tectonic events were identified using regional transects, which can be summarized as: (1) Rift basins of depositional mothersalt setting development during the Middle Jurassic; (2) Gravitational extension-halokinetic system associated to diapirs and salt canopies during Jurassic-Paleocene time; (3) Secondary minibasins development during Eocene; and (4) Extentional-contractional linked systems, developed in four overlapped stages: Early Oligocene, Late Oligocene-Present, Early Miocene-Present, and Late Miocene-Present. The structural linked systems of progressive gravitational-extension of early Oligocene to Present time were developed due to basin tilting and platform collapse due to the progradational sedimentary wedge load. Salt structures were formed by the movement of the autochthonous salt to a variety of allochthonous salt structures in the middle of the basin (translation zone), and the development of a contractional system at the edgeseaward linked system, at the eastern side of the basin, during the late Miocene-Present time stage. Several salt-structures, which are associated to this major linked system, represent hydrocarbon traps relevant as deepwater exploration targets in the NGSP. Similar structures have been successful discoveries in the U.S. side of the Gulf of Mexico.
机译：一种区域进化构造模型，被动边缘盆地的典型是墨西哥湾墨西哥西北部的约束，在北湾盐省（NGSP）中被称为墨西哥湾。使用区域横断面鉴定了四个构造事件，可以概括为：（1）侏罗纪期间沉积Mothingal Alt设定发展的裂缝盆地; （2）侏罗纪 - 古典时段期间与催乳剂和盐檐相关的引力延伸 - 乳管基因体系; （3）eocene期间的次生烟草开发; （4）延长 - 合约链接系统，在四个重叠阶段开发：早期少茂，晚期寡茂，早期的中肾上腺症和晚期临时治疗。由于盆地倾斜和平台坍塌，由于促进沉积楔载，由于盆地倾斜和平台塌陷而显造了早期寡核苷酸的结构连接系统。通过自身加压盐的运动形成盐结构，在盆地（翻译区）中间的各种外形盐结构，以及在盆地东侧的边缘联系系统中的合同系统的发展，在后期的新世纪 - 目前时间阶段。几个与该主要连接系统相关的盐结构，代表了与NGSP中的深水勘探靶标相关的碳氢化合物陷阱。类似的结构在美国墨西哥湾的美国一侧成功发现。

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