Distribution and controlling factors of nickel and cobalt in the Jinchuan magmatic Cu-Ni sulfide deposit.
文献类型：期刊论文
| 作者 | Yuan QingHan1,2; Su BenXun1,2 |
| 刊名 | ACTA PETROLOGICA SINICA
 |
| 出版日期 | 2023-04-01 |
| 卷号 | 39期号:4页码:1030-1040 |
| 关键词 | Ni-Codistribution Oreminerals Gangue minerals Jinchuan Cu-Ni sulfide deposit |
| ISSN号 | 1000-0569 |
| DOI | 10.18654/1000.0569/2023.04.06 |
| 英文摘要 | Nickel(Ni)andcobalt(Co) havesimilargeochemicalbehaviorsduringtheformationandevolutionofthemantle. derivedmagmas.JinchuanmagmaticCu.NisulfidedepositcontainsNiandCuasthemaineconomiccommoditieswithCoasby. product.DespitethesimilarspatialdistributionofNiandCo,thecuriouslyhigherNi/Coratio(36.7) oftheJinchuandeposit comparedtothatofmantle(18.2)indicatestheparagenesisandseparationbetweenNiandCooccurredduringthemetallogenic processes,whosemechanism remainspoorlyunderstood.ThispapersummarizestheconcentrationsofNiandCooforeminerals comparingwithganguemineralsinordertogainabetterunderstandingofthedistributionofNiandCo,anditscontrollingfactors.The resultsshowthatthepentlanditeservesastheprimaryreservoirforNiandCo,withsubstantiallyhighercontentsthanpyrrhotite, chalcopyriteandthegangueminerals.Regardingthegangueminerals,olivinehasthehighestNicontentsfollowedbymagnetite, chromite,orthopyroxeneandclinopyroxene. Cobaltisrichestinchromitefollowedbyolivine,orthopyroxene,clinopyroxeneand magnetite.SinceNiismuchmorecompatibleinsulfideliquidsthanCoduringthesulfidesegregation,Nibecomessignificantly enrichedintheimmisciblesulfidemeltwhileCobecomesrelativelyenrichedinthesilicatemelt,resultinginthedecouplingofNiand Co.Duringthecrystallizationofsulfideliquids,bothNiandCotendtobeconcentratedtogetherintheearlycrystallizedMSS. Subsequently,pentlanditeexsolvedfromMSS,becomingthemostimportantreservoirofNiandCoandresultingthesimilarspatial distributionofNiandCo.Duringthedifferentiationofsilicateliquids,Niishighlycompatibleinolivine,whileCoishighlycompatible inchromite.Therefore,fractionalcrystallizationofcumulusolivineandchromiteintheJinchuandepositresultsinthedecouplingofNi andCo.Incontrast,thecrystallizationoforthopyroxeneandclinopyroxene,inwhichNiismorecompatiblethanCo,isbalancedbythe depletionofNiintheintercumulusresidualmelts.Thesub.solidusdiffusionofNiandCofromolivine,chromite,orthopyroxeneand clinopyroxeneintosulfideliquidsexertseffectsontheNi.Codistributioncompletelyoppositetocrystallization.Giventhatpentlandite andpyrrhotiteexsolvedfromMSScrystallizingfromsulfideliquidsatearlystage,thecovariantNiandCocontentsofthembetween differentrock/oretypesprovethatelementscompatiblewithMSSinpentlanditeandpyrrhotitecanbeusedtoindicatetheevolutionof sulfideliquids |
| WOS关键词 | OXYGEN FUGACITY ; TEMPERATURE ; OLIVINE ; SULFUR ; MELT |
| WOS研究方向 | Geology |
| 语种 | 英语 |
| WOS记录号 | WOS:000970513600006 |
| 出版者 | SCIENCE PRESS |
| 源URL | [http://ir.iggcas.ac.cn/handle/132A11/110880]  |
| 专题 | 地质与地球物理研究所_中国科学院矿产资源研究重点实验室 |
| 通讯作者 | Su BenXun |
| 作者单位 | 1.Univ Chinese Acad Sci, Beijing 100049, Peoples R China 2.Chinese Acad Sci, Inst Geol & Geophys, Key Lab Mineral Resources, Beijing 100029, Peoples R China |
| 推荐引用方式 GB/T 7714 | Yuan QingHan,Su BenXun. Distribution and controlling factors of nickel and cobalt in the Jinchuan magmatic Cu-Ni sulfide deposit.[J]. ACTA PETROLOGICA SINICA,2023,39(4):1030-1040. |
| APA | Yuan QingHan,&Su BenXun.(2023).Distribution and controlling factors of nickel and cobalt in the Jinchuan magmatic Cu-Ni sulfide deposit..ACTA PETROLOGICA SINICA,39(4),1030-1040. |
| MLA | Yuan QingHan,et al."Distribution and controlling factors of nickel and cobalt in the Jinchuan magmatic Cu-Ni sulfide deposit.".ACTA PETROLOGICA SINICA 39.4(2023):1030-1040. |
入库方式： OAI收割
来源：地质与地球物理研究所
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