Trace element geochemistry of magnetite from the Ernest Henry IOCG Deposit, Australia

被引:0
|
作者
Zhang, Dexian [1 ]
Rusk, Brian
Oliver, Nick
Dai, Tagen [1 ]
机构
[1] Cent S Univ, Sch Geosci & Info Phys, Changsha 410083, Hunan, Peoples R China
来源
LET'S TALK ORE DEPOSITS, VOLS I AND II | 2011年
关键词
trace elements; magnetite; geochemistry; LA ICP-MS; Ernest Henry; IOCG; INDUCTIVELY-COUPLED PLASMA;
D O I
暂无
中图分类号
P [天文学、地球科学];
学科分类号
07 ;
摘要
Trace element of magnetite plays a vital role in mineral exploration using minerals. We use EMPA and LA ICP-MS to analyse trace element concentrations in magnetite from the Ernest Henry IOCG deposit. Quantitative multi-element analyses suggest that trace element concentrations in magnetite are controlled by many factors such as the degree of crystallization; the degree of deformation; post-precipitation oxidation to hematite; the abundance of associated sulphides; the origin of the magnetite as infill or replacement of wall rock. Electron microprobe trace element maps indicate that magnetite is not zoned with respect to trace element distribution. The variation of trace element concentrations in magnetite likely reflects a complex combination of fluid composition, temperature, redox conditions, and fluid-rock interaction.
引用
收藏
页码:477 / 479
页数:3
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