四川盆地“新场运动”特征及其地质意义

杨克明

doi:10.11781/sysydz201404391

四川盆地“新场运动”特征及其地质意义

doi: 10.11781/sysydz201404391

杨克明

中国石化西南油气分公司, 成都 610016

基金项目: “十二五”国家重大专项“大型油气田及煤层气开发” 下属课题 “四川盆地碎屑岩层系大中型油气田形成规律与勘探方向”（2011ZX05002-004）资助。

详细信息

作者简介:
杨克明（1955—），男，教授级高级工程师，从事油气地质勘探研究。E-mail: Yangkeming.xnyq@sinopec.com。

中图分类号: TE121.2
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出版历程
- 收稿日期: 2014-04-06
- 修回日期: 2014-06-16
- 刊出日期: 2014-07-28

Characteristics of Xinchang Movement in Sichuan Basin and its geological significance

Yang Keming

SINOPEC Southwest Petroleum Branch Company, Chengdu, Sichuan 610016, China

摘要

摘要: 中三叠世末的新场运动是四川盆地印支运动的主幕，具变革运动性质。新场运动结束了四川盆地海相克拉通盆地的发育历史，开启了中新生代陆相盆地的发展阶段。新场运动形成了四川盆地最大的新场近东西向的巨型长垣，并奠定了川西中段中新生代“一隆两坳”的构造格局。新场运动导致四川盆地全面隆升，造成中三叠统大幅度剥蚀，由于早期的表生岩溶叠加晚期的深埋溶蚀作用，为中三叠统顶部优质储层的发育提供了有利条件，该套储层成藏条件优越，是四川盆地亟待开拓的潜在领域。
- 新场运动 /
- 中三叠世 /
- 克拉通盆地 /
- 四川盆地
Abstract: As the main episode of the Indosinian Movement in the Sichuan Basin, the Xinchang Movement at the end of the Middle Triassic is a revolutionary movement. It marked the end of marine Craton basin development as well as the beginning of Mesozoic-Cenozoic continental basin development in the Sichuan Basin. The Xinchang Movement formed the biggest placantieline of EW trend near Xinchang area. It also produced the basic structural framework called "one uplift and two depressions" in Mesozoic and Cenozoic in the middle segment of the western Sichuan Basin. The movement caused the overall uplift of the Sichuan Basin and the denudation in large scale of the Middle Triassic. Due to the supergene karstfication in the early stage and the deep-buried dis-solution in the late stage, the development of high-quality reservoir at the top of the Middle Triassic was favorable. This set of reservoir with superior forming conditions has a great exploration potential in oncoming future.
- Xinchang Movement /
- Middle Triassic /
- Craton basin /
- Sichuan Basin

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