南华北地区中新生代盆地成盆环境分析

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FORMATION SETTINGS OF THE MESOZOIC AND CENOZOIC BASINS IN THE SOUTHERN PART OF NORTH CHINA

Wuxi Research Institute of Petroleum Geology, SINOPEC, Wuxi, Jiangsu 214151, China

摘要: 南华北盆地的形成演化主要受秦岭—大别造山带以及郯庐系断裂带活动的制约。通过对秦岭—大别造山带中生代发育的火山岩构造环境和印支、燕山期区域构造演化特性及构造应力场分析,认为南华北地区主要经历了挤压、走滑、伸展、弱挤压等构造环境,形成了相应的盆地原型的并列和叠加。
- 并列和叠加 /
- 盆地原型 /
- 郯庐系断裂带 /
- 秦岭—大别造山带 /
- 南华北
Abstract: Formation and evolution of basins in the southern part of North China are mainly controlled by activities of the Qinling-Dabie orogenic belt and the Tanlu fracture belt. Based on analysis of volcanic tectonic settings generated in Mesozoic, regional tectonic evolution characteristics during the Indosinian and Yanshan epochs, and stress field, it is proposed that, the southern part of North China area has experienced compression, strike-slip, expansion and weak extrusion, resulting in the juxtaposition and superposition of basin prototypes.
- juxtaposition and superposition /
- prototype /
- Tanlu fracture belt /
- the Qinling-Dabie orogene /
- the southern part of North China

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