| 鞍山地区东山杂岩3.3~3.1Ga岩浆作用:地球化学和锆石SHRIMP定年 |
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| 引用本文： | 董春艳,万渝生,张玉海,杨之青,刘敦一.鞍山地区东山杂岩3.3~3.1Ga岩浆作用:地球化学和锆石SHRIMP定年[J].岩石学报,2013,29(2):414-420. |
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| 作者姓名： | 董春艳 万渝生 张玉海 杨之青 刘敦一 |
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| 作者单位： | 中国地质科学院地质研究所北京离子探针中心,北京,100037 |
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| 基金项目： | 本文受中国地质调查局重点项目(1212011120151、1212011121062)资助. |
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| 摘 要： | 本文报道了鞍山地区东山杂岩一露头尺度上所记录的3.33～3.14Ga岩浆作用.3.33Ga辉长岩被3.28Ga和3.14Ga奥长花岗岩切割,显示不同程度的变质变形.变质辉长岩高FeOT、低MgO,稀土总量高,轻重稀土分离不强；片麻状奥长花岗岩高Na2O低K2O,轻重稀土强烈分离.鞍山地区在古太古代-中太古代期间存在强烈岩浆作用,可能反映了长期的高热状态.
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| 关 键 词： | 古太古代 岩浆作用 鞍山 东山杂岩 SHRIMP |
| 收稿时间： | 2012/9/10 0:00:00 |
| 修稿时间： | 1/6/2013 12:00:00 AM |
3.3~3.1Ga magmatism recorded in an outcrop of the Dongshan Complex in the Anshan area, North China Craton: Evidence from geochemistry and SHRIMP zircon dating |
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| DONG ChunYan,WAN YuSheng,ZHANG YuHai,YANG ZhiQing and LIU DunYi.3.3~3.1Ga magmatism recorded in an outcrop of the Dongshan Complex in the Anshan area, North China Craton: Evidence from geochemistry and SHRIMP zircon dating[J].Acta Petrologica Sinica,2013,29(2):414-420. |
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| Authors: | DONG ChunYan WAN YuSheng ZHANG YuHai YANG ZhiQing and LIU DunYi |
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| Institution: | Beijing SHRIMP Center, Institute of Geology, Chinese Academy of Geological Sciences, Beijing 100037, China;Beijing SHRIMP Center, Institute of Geology, Chinese Academy of Geological Sciences, Beijing 100037, China;Beijing SHRIMP Center, Institute of Geology, Chinese Academy of Geological Sciences, Beijing 100037, China;Beijing SHRIMP Center, Institute of Geology, Chinese Academy of Geological Sciences, Beijing 100037, China;Beijing SHRIMP Center, Institute of Geology, Chinese Academy of Geological Sciences, Beijing 100037, China |
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| Abstract: | |
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| Keywords: | Paleoarchean Magmatism Anshan Dongshan Complex SHRIMP |
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