张术根,刘南,丁俊,高翔,魏黎,杨惠钫.内蒙古元宝山区花岗岩的地球化学特征及构造环境初探[J].地质找矿论丛,2009,24(4):341-348
内蒙古元宝山区花岗岩的地球化学特征及构造环境初探
STUDY ON THE GEOCHEMICAL CHARACTERISTICS,GENETIC TYPE AND TECTONIC SETTING OF MAGMATIC ROCKS IN YUANBAOSHAN DISTRICT,INNER MONGOLIA
投稿时间:2008-11-27  修订日期:2009-01-13
DOI:10.6053/j.issn.1001-1412.2009.4. 013
中文关键词:  花岗岩  地球化学特征  成因类型  构造环境  元宝山区  内蒙古
英文关键词:granite  geochemical characteristics  genetic type  tectonic setting  Yuanbaoshan district  Inner Mogolia
基金项目:
作者单位
张术根 中南大学, 地学与环境工程学院, 长沙, 410083 
刘南 中南大学, 地学与环境工程学院, 长沙, 410083 
丁俊 中南大学, 地学与环境工程学院, 长沙, 410083 
高翔 中南大学, 地学与环境工程学院, 长沙, 410083 
魏黎 中南大学, 地学与环境工程学院, 长沙, 410083 
杨惠钫 中南大学, 地学与环境工程学院, 长沙, 410083 
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中文摘要:
      通过将赤峰元宝山区碱长花岗岩和二长花岗岩的地球化学数据与国内外各类型花岗岩对比和判别,认为内蒙元宝山区花岗岩属于A型花岗岩,具有富硅、富碱、贫钙镁,微量元素出现Sr,P,Eu,Ti的低谷,稀土配分模式曲线呈右倾、富轻稀土、典型的海鸥式等A型花岗岩特点。利用Eby A型花岗岩构造环境判别图解判断岩体为A1型,而且是与大陆造陆抬升有关的A型花岗岩类。
英文摘要:
      Comparison of Yuanbaoshan alkali-adamellite granite with various type of granite at home and abroad and the discrimination diagrams show that the Yuanbaoshan granite belongs to A-type granite.It is rich in silicon and alkali,and poor in calcium and magnesium characterized by a low valley pattern of trace elements including Sr,P,Eu,and Ti and right decline REE pattern with high LREE,a typical seagull style.All of these characteristics comply with A-type granite.And it is discriminated the A1-type granite in the Eby tectonic diagrams.Moreover,the authors consider that it may be related to the orogenic uplift of the continent.
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