| 徐湾—石头岗花岗闪长岩体对围岩的热影响 |
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| 引用本文： | 朱雄飞,茆德俊,肖深耀,董传万.徐湾—石头岗花岗闪长岩体对围岩的热影响[J].吉林大学学报(地球科学版),1989(4). |
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| 作者姓名： | 朱雄飞 茆德俊 肖深耀 董传万 |
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| 作者单位： | 浙江大学地质学系
(朱雄飞，茆德俊，肖深耀)，浙江大学地质学系(董传万) |
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| 摘 要： | 对徐海—石头岗花岗闪长岩体围岩中黑云母及有机质变质程度的研究发现:距岩体580m范围内的接触带岩石皆具有角岩化现象。黑云母含量受原岩成分影响,其鳞片粒径与岩体距离密切有关。围岩中镜质组反射率,(R_(mas))值与岩体距离之间有十分明显的规律。
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| 关 键 词： | 热影响 镜质组反射率 花岗闪长岩 |
THE THERMAL INFLUENCE OF XUWAN-SHITOUGANG GRANDIORITE INTRUSION ON THE COUNTRY ROCKS |
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| Zhu Xiongfei Mao Dejun Xiao Shenyao Dong Chuanwan.THE THERMAL INFLUENCE OF XUWAN-SHITOUGANG GRANDIORITE INTRUSION ON THE COUNTRY ROCKS[J].Journal of Jilin Unviersity:Earth Science Edition,1989(4). |
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| Authors: | Zhu Xiongfei Mao Dejun Xiao Shenyao Dong Chuanwan |
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| Abstract: | The metamorphsim of the rocks of contact belt is caused by high temperature resulting from the magma intrusions. There are hornfellized texture of the rocks of contact zone within a distance of 580 m from the rock body observed in the research on metamorphic grade of bioite and organic mineral. The content of biotite is affected by the composition of protolith.The size is closely related to the distance from the rock body. The relation between the reflection factor of vitrinite (Rmax0) and the distance is expressed by a index function,i.e. l/Y = a + be x, |
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| Keywords: | thermal affectness vitrinite reflectance grandiorite |
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