代友旭;张新勇;阎琨;李路路;杨宝忠;赵志刚;周千;孙志佳;王兵;高虎;

• 1:中国人民武装警察部队黄金第七支队
• 2:中国地质大学(武汉)地球科学学院
• 3:中陕核工业集团地质调查研究院有限公司

摘要(Abstract)：

新疆柯坪地区玄武岩是塔里木盆地早二叠世大火成岩省北部重要的组成部分。通过对柯坪盖孜力克乡南部下二叠统巴立克立克组(P1b)中的玄武岩夹层进行锆石U-Pb定年及地球化学分析,获得年龄为(287.6±5.5)Ma,表明该玄武岩为塔里木盆地早二叠世岩浆活动的产物。地球化学特征表明,玄武岩w(SiO_2)为46.15%~48.64%,w(MgO)为2.87%~4.23%,w(Na_2O)-2%

关键词(KeyWords)： 玄武岩;早二叠世;年代学;地球化学;地质意义;柯坪

Abstract:

Keywords:

基金项目(Foundation): 中国地质调查局项目“西南天山柯坪地区六幅地质矿产综合调查”(1212011504201)

作者(Author): 代友旭;张新勇;阎琨;李路路;杨宝忠;赵志刚;周千;孙志佳;王兵;高虎;

Email:

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