必须声明标量变量 "@Script_ID"。 柴达木地块北缘南北沟岩体地球化学特征及成矿前景-《地球科学与环境学报》
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[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-yiWANG Zi-xiDU 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:
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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