GYIG OpenIR  > 矿床地球化学国家重点实验室
Platinum-Group Mineral Occurrences and Platinum-Group Elemental Geochemistry of the Xiadong Alaskan-Type Complex in the Southern Central Asian Orogenic Belt
Sai-Hong Yang;  Ben-Xun Su;  Xiao-Wen Huang;  Dong-Mei Tang;  Ke-Zhang Qin;  Yang Bai;  Patrick Asamoah Sakyi;  Melesse Alemayehu
2018
发表期刊Minerals
卷号8期号:11页码:1-18
摘要

Alaskan-type complexes commonly contain primary platinum-group element (PGE) alloys and lack base-metal sulfides in their dunite and chromite-bearing rocks. They could therefore host PGE deposits with rare sulfide mineralization. A detailed scanning electron microscope investigation on dunites from the Xiadong Alaskan-type complex in the southern Central Asian Orogenic Belt revealed: various occurrences of platinum-group minerals (PGMs) that are dominated by inclusions in chromite grains containing abundant Ru, Os, S and a small amount of Pd and Te, indicating that they mainly formed prior to or simultaneously with the crystallization of the host minerals; A few Os-Ir-Rurich phases with iridium/platinum-group element (IPGE) alloy, anduoite (Ru,Ir,Ni)(As,S)(2-x) and irarsite (IrAsS) were observed in chromite fractures, and as laurite (RuS2) in clinopyroxene, which was likely related to late-stage hydrothermal alteration. The rocks in the Xiadong complex display large PGE variations with Sigma PGE of 0.38-112 ppb. The dunite has the highest PGE concentrations (8.69-112 ppb), which is consistent with the presence of PGMs. Hornblende clinopyroxenite, hornblendite and hornblende gabbro were all depleted in PGEs, indicating that PGMs were likely already present at an early phase of magma and were mostly collected afterward in dunites during magma differentiation. Compared with the regional mafic-ultramafic intrusions in Eastern Tianshan, the Xiadong complex show overall higher average PGE concentration. This is consistent with the positive PGE anomalies revealed by regional geochemical surveys. The Xiadong complex, therefore, has potential for PGE exploration.

关键词Alaskan-type Complex Central Asian Orogenic Belt Pgm Pge Mineralization
收录类别SCI
语种英语
文献类型期刊论文
条目标识符http://ir.gyig.ac.cn/handle/42920512-1/8934
专题矿床地球化学国家重点实验室
作者单位1.State Key Laboratory of Lithospheric Evolution, Institute of Geology and Geophysics, Chinese Academy of Sciences, P.O. Box 9825, Beijing 100029, China
2.Key Laboratory of Mineral Resources, Institute of Geology and Geophysics, Chinese Academy of Sciences, Beijing 100029, China
3.University of Chinese Academy of Sciences, Beijing 100049, China
4.State Key Laboratory of Ore Deposit Geochemistry, Institute of Geochemistry, Chinese Academy of Sciences, Guiyang 550081, China;
5.Department of Earth Science, University of Ghana, P.O. Box LG 58, Legon-Accra 00233, Ghana
6.School of Applied Natural Science, Department of Applied Geology, Adama Science and Technology University, P.O. Box 1888, Adama 00251, Ethiopia
推荐引用方式
GB/T 7714
Sai-Hong Yang;Ben-Xun Su;Xiao-Wen Huang;Dong-Mei Tang;Ke-Zhang Qin;Yang Bai;Patrick Asamoah Sakyi;Melesse Alemayehu. Platinum-Group Mineral Occurrences and Platinum-Group Elemental Geochemistry of the Xiadong Alaskan-Type Complex in the Southern Central Asian Orogenic Belt[J]. Minerals,2018,8(11):1-18.
APA Sai-Hong Yang;Ben-Xun Su;Xiao-Wen Huang;Dong-Mei Tang;Ke-Zhang Qin;Yang Bai;Patrick Asamoah Sakyi;Melesse Alemayehu.(2018).Platinum-Group Mineral Occurrences and Platinum-Group Elemental Geochemistry of the Xiadong Alaskan-Type Complex in the Southern Central Asian Orogenic Belt.Minerals,8(11),1-18.
MLA Sai-Hong Yang;Ben-Xun Su;Xiao-Wen Huang;Dong-Mei Tang;Ke-Zhang Qin;Yang Bai;Patrick Asamoah Sakyi;Melesse Alemayehu."Platinum-Group Mineral Occurrences and Platinum-Group Elemental Geochemistry of the Xiadong Alaskan-Type Complex in the Southern Central Asian Orogenic Belt".Minerals 8.11(2018):1-18.
条目包含的文件
文件名称/大小 文献类型 版本类型 开放类型 使用许可
Platinum-Group Miner(7007KB)期刊论文作者接受稿开放获取CC BY-NC-SA浏览 请求全文
个性服务
推荐该条目
保存到收藏夹
查看访问统计
导出为Endnote文件
谷歌学术
谷歌学术中相似的文章
[Sai-Hong Yang;Ben-Xun Su;Xiao-Wen Huang;Dong-Mei Tang;Ke-Zhang Qin;Yang Bai;Patrick Asamoah Sakyi;Melesse Alemayehu]的文章
百度学术
百度学术中相似的文章
[Sai-Hong Yang;Ben-Xun Su;Xiao-Wen Huang;Dong-Mei Tang;Ke-Zhang Qin;Yang Bai;Patrick Asamoah Sakyi;Melesse Alemayehu]的文章
必应学术
必应学术中相似的文章
[Sai-Hong Yang;Ben-Xun Su;Xiao-Wen Huang;Dong-Mei Tang;Ke-Zhang Qin;Yang Bai;Patrick Asamoah Sakyi;Melesse Alemayehu]的文章
相关权益政策
暂无数据
收藏/分享
文件名: Platinum-Group Mineral Occurrences and Platinum-Group Elemental Geochemistry of the Xiadong Alaskan-Type Complex in the Southern Central Asian Orogenic Belt.pdf
格式: Adobe PDF
所有评论 (0)
暂无评论
 

除非特别说明,本系统中所有内容都受版权保护,并保留所有权利。