大兴安岭东北部多宝山地区花岗岩锆石U-Pb年龄及岩石地球化学特征OA北大核心CSCDCSTPCD
Zircon U-Pb ages and geochemical characteristics of the granites in Duobaoshan area,Northeast Da Hinggan Mountains
大兴安岭多宝山地区在构造上位于兴蒙造山带东部的兴安地块和松嫩地块接触带上,区内花岗岩类以晚古生代花岗岩为主,岩性主要为碱长花岗岩、正长花岗岩.两类岩性的锆石SHRIMP测年结果分别为(309.0±3.0)Ma、(299.3±2.8)Ma,均为晚石炭世.其主量元素以富Si、略富Al、富碱质和低Mg、低Ca为特点;微量元素表现出富集Th、Zr、Nd、Rb、K和亏损Ba、Sr、P、Ti的特点;稀土元素具有明显的轻稀土元素富集、重稀土元素相对亏损的特征,…查看全部>>
The Duobaoshan area in Da Hinggan Mountains is tectonically located in a fold belt between the Songneng Block and the Xing'an Block in the east of the Xingmeng oregenic belt.Large quantities of Neopaleozolc granitic rocks are distributed in this area.This lithology is mainly composed of monzonitic granite and syenogranite.SHRIMP zircon U-Pb dating yielded ages of 309.0± 3.OMa and 299.3± 2.8 Ma.Major element analyses show high SiO2 and alkali content, slightl…查看全部>>
曲晖;李成禄;赵忠海;王卓;张俭峰
黑龙江省地质调查研究总院,黑龙江,哈尔滨,150036黑龙江省地质调查研究总院,黑龙江,哈尔滨,150036黑龙江省地质调查研究总院,黑龙江,哈尔滨,150036黑龙江省地质调查研究总院,黑龙江,哈尔滨,150036黑龙江省地质调查研究总院,黑龙江,哈尔滨,150036
天文与地球科学
多宝山地区花岗岩锆石U-Pb年龄SHRIMP年代学岩石地球化学
Duobaoshan area granite zircon U-Pb age SHRIMP geochemical characteristicsi
《中国地质》 2011 (2)
292-300,9
中国地质调查局"黑龙江多宝山地区矿产远景调查"项目(1212010781024)资助.
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