|本期目录/Table of Contents|

[1]姜常义,王子玺,杜玮,等.柴达木地块北缘南北沟岩体地球化学特征及成矿前景[J].地球科学与环境学报,2015,37(01):12-23.
　JIANG Chang-yi,WANG Zi-xi,DU Wei.Geochemical Characteristics of Nanbeigou Intrusion in the Northern Margin of Qaidam Massif and Its Prospecting Potential[J].Journal of Earth Sciences and Environment,2015,37(01):12-23.
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柴达木地块北缘南北沟岩体地球化学特征及成矿前景(PDF)
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《地球科学与环境学报》[ISSN:1672-6561/CN:61-1423/P]

卷:
第37卷
期数:
2015年第01期
页码:
12-23
栏目:
基础地质与矿产地质
出版日期:
2015-01-15

文章信息/Info

Title:
Geochemical Characteristics of Nanbeigou Intrusion in the Northern Margin of Qaidam Massif and Its Prospecting Potential
文章编号:
1672-6561(2015)01-0012-12
作者:
姜常义; 王子玺; 杜玮; 王梦玺
1. 长安大学地球科学与资源学院,陕西 西安 710054; 2. 长安大学西部矿产资源与地质工程教育部重点实验室,陕西 西安 710054
Author(s):
JIANG Chang-yi; WANG Zi-xi; DU Wei
1. School of Earth Science and Resources, Chang’an University, Xi’an 710054, Shaanxi, China; 2. Key Laboratory of Western Mineral Resources and Geological Engineering of Ministry of Education, Chang’an University, Xi’an 710054, Shaanxi, China
关键词:
地球化学; 成矿潜力; 地壳混染; 原生岩浆; 构造环境; 铜镍硫化物矿床; 柴达木地块
Keywords:
geochemistry;  ore-forming;  crustal contamination;  primary magma;  structural environment;  Cu-Ni sulfide deposit;  Qaidam massif
分类号:
P588.1
DOI:
-
文献标志码:
A
摘要:
南北沟岩体位于柴达木地块北缘,出露面积4.5km2。岩石主要类型有淡色辉长岩、辉长岩、暗色辉长岩,各岩石类型之间多为过渡关系,局部呈侵入接触。主量元素化学组成属拉斑玄武岩系列。岩石相对富集大离子亲石元素,亏损高场强元素,明显亏损Nb、Ta。岩体原生岩浆属于高镁拉斑玄武岩(MgO质量分数为11.1%),在岩浆演化过程中遭受了一定程度中—上地壳物质的同化混染作用。岩体形成于古岛弧环境,是早古生代柴达木地块向祁连地块俯冲过程的产物。从岩浆分异程度、原生岩浆性质?同化混染等方面综合评价认为,南北沟岩体具有较好的铜镍硫化物矿床成矿潜力。
Abstract:
-

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2014-09-04
基金项目:国家自然科学基金项目(41302070,41102045);青海省地质勘查基金项目(2012209);中央高校基本科研业务费专项资金项目(2013G1271100)
作者简介:姜常义(1951-),男,黑龙江富裕人,教授,博士研究生导师,E-mail:jiangchangyi001@163.com。
更新日期/Last Update: 2015-02-04