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Article: Re-Os isotopic analysis of the Kalatongke Cu-Ni sulfide deposit, northern Xinjiang, NW China, and its geological implication

TitleRe-Os isotopic analysis of the Kalatongke Cu-Ni sulfide deposit, northern Xinjiang, NW China, and its geological implication
新疆喀拉通克銅鎳硫化物礦床Re-Os同位素研究及其地質意義
Authors
KeywordsCu-Ni Deposit
Kalatongke
Re-Os Isotopic Dating
Xinjiang
Issue Date2006
PublisherChinese Academy of Sciences, Institute of Geology and Geophysics(中國科學院地質與地球物理研究所). The Journal's web site is located at http://www.ysxb.ac.cn/ysxb/ch/index.aspx
Citation
Acta Petrologica Sinica, 2006, v. 22 n. 1, p. 163-170 How to Cite?
巖石學報, 2006, v. 22 n. 1, p. 163-170 How to Cite?
AbstractThe Kalatongke is a large Cu-Ni deposit in the southern part of the Altay orogenic belt, northwestern China. Rhenium and osmium isotopic analyses of Ni-and Cu-bearing sulfide minerals from the deposit have been used to determine the timing of mineralization, the source of osmium, and, by inference, the source of ore metals. Sulfide ore samples have osmium and rhenium concentrations varying in the ranges of 0.29 - 3.07 ppb, and 6.605 - 61.10ppb, respectively. Analyses of these data yield a six-point isochron with an age of 305 ± 15Ma. The age implies that the Cu-Ni sulfide deposit and other related magmatic deposits in the same area formed between the latest Carboniferous and Early Permian post-collisional extension in the Altay Shan. An initial 187Os/ 188Os ratio of 0.352 ± 0.044 (MSWD=2.1) and the δ 34S of -3.5‰ to + 3.0‰ for the ores, as well as initial 87Sr/ 86Sr ratios of metalliterous intrusions that vary from 0.70375 to 0.70504, suggest a magmatic source for the ores, with the melts being dominated by mantle contributions. The data also indicate that the Kalatongke Ni-Cu deposit, like many other copper, gold, and nickel deposits within central Asia, is related to post-collisional extensional processes.
喀拉通克銅鎳硫化物礦石的Re-Os同位素測年結果為305±15(2σ)Ma。該數據表明產于阿爾泰山南緣的銅鎳硫化物礦床形成于晚石炭世一早二疊世,與區內廣泛發育的造山型金礦和淺成低溫熱液型金礦基本為同一時期。其等時線~187Os/~188Os初始比值為0.35±0.04,γ_Os仉值平均為183,表明在成礦過程及巖漿侵位期間有少量地殼物質加入成礦系統中。
Persistent Identifierhttp://hdl.handle.net/10722/151186
ISSN
2015 Impact Factor: 1.234
2015 SCImago Journal Rankings: 0.892
References

 

DC FieldValueLanguage
dc.contributor.authorHan, CMen_US
dc.contributor.authorXiao, WJen_US
dc.contributor.authorZhao, GCen_US
dc.contributor.authorQu, WJen_US
dc.contributor.authorMao, QGen_US
dc.contributor.authorDu, ADen_US
dc.date.accessioned2012-06-26T06:18:24Z-
dc.date.available2012-06-26T06:18:24Z-
dc.date.issued2006en_US
dc.identifier.citationActa Petrologica Sinica, 2006, v. 22 n. 1, p. 163-170en_US
dc.identifier.citation巖石學報, 2006, v. 22 n. 1, p. 163-170-
dc.identifier.issn1000-0569en_US
dc.identifier.urihttp://hdl.handle.net/10722/151186-
dc.description.abstractThe Kalatongke is a large Cu-Ni deposit in the southern part of the Altay orogenic belt, northwestern China. Rhenium and osmium isotopic analyses of Ni-and Cu-bearing sulfide minerals from the deposit have been used to determine the timing of mineralization, the source of osmium, and, by inference, the source of ore metals. Sulfide ore samples have osmium and rhenium concentrations varying in the ranges of 0.29 - 3.07 ppb, and 6.605 - 61.10ppb, respectively. Analyses of these data yield a six-point isochron with an age of 305 ± 15Ma. The age implies that the Cu-Ni sulfide deposit and other related magmatic deposits in the same area formed between the latest Carboniferous and Early Permian post-collisional extension in the Altay Shan. An initial 187Os/ 188Os ratio of 0.352 ± 0.044 (MSWD=2.1) and the δ 34S of -3.5‰ to + 3.0‰ for the ores, as well as initial 87Sr/ 86Sr ratios of metalliterous intrusions that vary from 0.70375 to 0.70504, suggest a magmatic source for the ores, with the melts being dominated by mantle contributions. The data also indicate that the Kalatongke Ni-Cu deposit, like many other copper, gold, and nickel deposits within central Asia, is related to post-collisional extensional processes.en_US
dc.description.abstract喀拉通克銅鎳硫化物礦石的Re-Os同位素測年結果為305±15(2σ)Ma。該數據表明產于阿爾泰山南緣的銅鎳硫化物礦床形成于晚石炭世一早二疊世,與區內廣泛發育的造山型金礦和淺成低溫熱液型金礦基本為同一時期。其等時線~187Os/~188Os初始比值為0.35±0.04,γ_Os仉值平均為183,表明在成礦過程及巖漿侵位期間有少量地殼物質加入成礦系統中。-
dc.languageengen_US
dc.publisherChinese Academy of Sciences, Institute of Geology and Geophysics(中國科學院地質與地球物理研究所). The Journal's web site is located at http://www.ysxb.ac.cn/ysxb/ch/index.aspxen_US
dc.relation.ispartofActa Petrologica Sinicaen_US
dc.subjectCu-Ni Depositen_US
dc.subjectKalatongkeen_US
dc.subjectRe-Os Isotopic Datingen_US
dc.subjectXinjiangen_US
dc.titleRe-Os isotopic analysis of the Kalatongke Cu-Ni sulfide deposit, northern Xinjiang, NW China, and its geological implicationen_US
dc.title新疆喀拉通克銅鎳硫化物礦床Re-Os同位素研究及其地質意義-
dc.typeArticleen_US
dc.identifier.emailZhao, GC:gzhao@hkucc.hku.hken_US
dc.identifier.authorityZhao, GC=rp00842en_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.scopuseid_2-s2.0-33745036561en_US
dc.identifier.hkuros122081-
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-33745036561&selection=ref&src=s&origin=recordpageen_US
dc.identifier.volume22en_US
dc.identifier.issue1en_US
dc.identifier.spage163en_US
dc.identifier.epage170en_US
dc.publisher.placeChinaen_US
dc.identifier.scopusauthoridHan, CM=35794513200en_US
dc.identifier.scopusauthoridXiao, WJ=7202456615en_US
dc.identifier.scopusauthoridZhao, GC=7403296321en_US
dc.identifier.scopusauthoridQu, WJ=8982620500en_US
dc.identifier.scopusauthoridMao, QG=35916504900en_US
dc.identifier.scopusauthoridDu, AD=35829586200en_US

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