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北祁连山西段同位素测年概况
引用本文:宋忠宝,任有祥,李智佩,杨建国,刘小舟.北祁连山西段同位素测年概况[J].西北地质,2003,36(4):1-7.
作者姓名:宋忠宝  任有祥  李智佩  杨建国  刘小舟
作者单位:1. 西安地质矿产研究所,陕西,西安,710054;长安大学,陕西,西安,710054
2. 西安地质矿产研究所,陕西,西安,710054
3. 中国冶金地质工程勘察总局西北地勘院汉中分院,陕西,汉中,723000
基金项目:地矿部"九五"科技攻关课题"北祁连山西段黄铁矿型铜多金属矿床与构造蚀变岩型金矿床成矿模式及找矿预测研究(95-02-004-03)"资助。
摘    要:作者在广泛收集前人资料的基础上,通过课题研究工作,剔除了一些地点、岩性、测试不详及方法不系统的年龄数据,获得了一组有价值的同位素年代学数据。它们可以代表目前北祁连山西段同位素年代学研究的主要成果与认识,对研究本区盆地-构造-岩浆-热事件提供了重要成因信息。综合评价这一成果,方法较全面,数据有一定系统性,从而有力地支持了对本区各类地质体形成与演化的认识,解决在北祁连山西段科研、地质找矿以及区域地质调查中一些长期争议的地层时代问题,对推动本区成矿时代、热历史等问题研究的深入,有重要意义。

关 键 词:北祁连山西段  同位素年代学  前寒武纪  金属矿床  成矿时代
文章编号:1009-6248(2003)04-0001-07
修稿时间:2003年1月18日

Review on isotopic dating in the western part of the North Qilian Mountains
SONG Zhong-bao.Review on isotopic dating in the western part of the North Qilian Mountains[J].Northwestern Geology,2003,36(4):1-7.
Authors:SONG Zhong-bao
Institution:SONG Zhong-bao~
Abstract:On the basis of carefully studiying on isotopic dating in the western part of the North Qilian Mountains, a lot of valuable isotopic data which could be considered as representatives were selected. It is concluded from these data that the general research degree is low in isotopic dating and that they are of great significance both in the determination of ages of all the geologic bodies concerned and in the settling upon of the ages of stratum and ore-forming and geologic hot events which have been quarreled in geologic scientific research, ore prospecting and regional geologic survey for a long time.
Keywords:the western port of the North Qilian Mountains  isotopic chronology  precambrian  metallic ore deposit  metallogenetic epoch
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