| 武当地块基性岩墙群的Sm-Nd定年及其相关问题讨论 |
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| 引用本文： | 周鼎武,张成立,刘良,王居里,刘颖宇,张宗清.武当地块基性岩墙群的Sm-Nd定年及其相关问题讨论[J].地球学报,1998,19(1):25-30. |
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| 作者姓名： | 周鼎武 张成立 刘良 王居里 刘颖宇 张宗清 |
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| 作者单位： | 西北大学地质系;西北大学地质系;西北大学地质系;西北大学地质系;西北大学地质系;中国地质科学院地质研究所 |
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| 摘 要： | 武当地块是卷入南秦岭构造带的前震旦纪基底岩块，该基底岩块中广泛发育变形变质的基性岩墙群，获得岩墙群的ＳｍＮｄ全岩等时年龄为ｔ＝７８２±１６４（２σ）Ｍａ，ＩＮｄ＝０．５１１７１±１６（２σ），εＮｄ（ｔ）＝＋１．５±１．０。据此并综合区域地质实际，对南秦岭元古代古陆块的存在及其裂解等相关问题进行了讨论。
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| 关 键 词： | 南秦岭 武当地块 基性岩墙群 Sm-Nd测年 |
Sm-Nd Dating of Basic Dykes from Wudang Block and a Discussion of Related-Questons |
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| ZHOU Ding-wu,ZHANG Cheng-li,LIU Liang,WANG Ju-li,LIU Ying-yu and ZHANG Zong-qing.Sm-Nd Dating of Basic Dykes from Wudang Block and a Discussion of Related-Questons[J].Acta Geoscientia Sinica,1998,19(1):25-30. |
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| Authors: | ZHOU Ding-wu ZHANG Cheng-li LIU Liang WANG Ju-li LIU Ying-yu and ZHANG Zong-qing |
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| Institution: | Department of Geology, Northwest Uniuersity, Xi'an;Department of Geology, Northwest Uniuersity, Xi'an;Department of Geology, Northwest Uniuersity, Xi'an;Department of Geology, Northwest Uniuersity, Xi'an;Department of Geology, Northwest Uniuersity, Xi'an;Institute of Geology, CAGS, Beijing |
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| Abstract: | |
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| Keywords: | South Qinling Wudang block basic dyke swarm Sm-Nd dating |
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