长岭断陷东部地区火山岩形成的构造控制作用研究

STUDIES OF LAVA DEVELOPING FEATURES AND THE ACTION OF TECTONISM OF EASTERN AREA OF CHANGLING FAULT DEPRESSION

1.
China University of Geosciences, Wuhan, Hubei 430074, China
2. Northeast Company, SINOPEC, Changchun, Jilin 130062, China
3. Wuxi Research Institute of Petroleum Geology, SINOPEC, Wuxi, Jiangsu 214151, China

摘要: 长岭断陷火山岩是天然气勘探新领域,通过对长岭断陷火山岩岩性、岩相进行系统分析,结合构造旋回演化及火山喷发强度的变化,对火山活动旋回进行了系统划分,将营城组划分了三级及四级旋回;对长岭东部地区构造对火山岩分布发育的控制作用进行了剖析,火山岩时空分布受构造的控制作用明显,构造运动和后期改造是控制火山岩及其圈闭的主要因素。
- 火山岩气藏 /
- 火山岩相 /
- 火山旋回 /
- 营城组 /
- 长岭断陷 /
- 松辽盆地
Abstract: Volcanic rocks are well developed in the Changling Fault Depression.The lithology and lithofacies had been analysed systematically.The volcanic activity cycles of the Yingcheng Group had been divided into third and fourth cycles according the research of the evolution of tectonic cycle and the changes in intensity of volcanic eruptions;The controll process of the structure of Changling eastern area had been anatomized,and it obviously controlled the spatial and temporal distribution of volcanic rocks.The tectonic movement and later reconstruction are the main controll factors of volcanic rock traps.Fault zones are the favorable regions of volcanic reservoir exploration.
- volcanic gas reservoir /
- volcanic facies /
- volcanic cycles /
- Yingcheng Formation /
- Changling Fault Depression /
- Songliao Basin

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