| 大兴安岭中南段中生代火山岩特征及演化 |
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| 引用本文： | 王忠,朱洪森.大兴安岭中南段中生代火山岩特征及演化[J].地质通报,1999,18(4):88. |
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| 作者姓名： | 王忠 朱洪森 |
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| 作者单位： | 内蒙古第十地质矿产勘查开发院,内蒙古,赤峰,024005 |
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| 摘 要： | 大兴安岭中南段中生代自晚三叠世至早白垩世火山活动不断，晚侏罗世达到高潮，形成了几套代表各自特点的火山岩组合，划分出晚三叠世、早—中侏罗世、晚侏罗世和早白垩世等４ 个火山喷发（沉积） 旋回。火山活动相伴随的侵入活动受伸展机制制约，构成了成对的火山侵入岩带。
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| 关 键 词： | 大兴安岭中南段 火山岩 旋回 伸展机制 |
| 文章编号： | 1000-3967(1999)04-0351-08 |
| 修稿时间： | 1998-06-07 |
Temporal and spatial evolution of the Mesozoic volcanism in mid-southern Daxinganling Mountain |
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| WANG Zhong,ZHU Hong-sen.Temporal and spatial evolution of the Mesozoic volcanism in mid-southern Daxinganling Mountain[J].Geologcal Bulletin OF China,1999,18(4):88. |
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| Authors: | WANG Zhong ZHU Hong-sen |
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| Abstract: | Volcanism lasted from the late Triassic to early Cretaceous in the mid southern Daxinganling and reached its peak at the late Cretaceous.This gave rise to several series of volcanic associations that are representative of four volcanic eruption sedimentation cycles:the early Triassic,early mid Jurassic,late Jurassic and early Cretaceous.The volcanism and associated intrusion were controlled by extensional mechanism,resulting in the present paired volcanic intrusive belts. |
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| Keywords: | mid southern Daxinganling Mountain volcanic rock cycle extensional mechanism |
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