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PGE geochemistry of carbonatites in Maoniuping REE deposits, Sichuan Province, China: preliminary study
XU CHENG; HUANG ZHILONG; LIU CONGQIANG; QI LIANG; LI WENBO; GUAN TAO
2003
Source PublicationGeochemical Journal
Volume37Issue:3Pages:391-399
AbstractConcentrations of PGE and Au of seven carbonatite samples from the Maoniuping REE deposit in China are reported (ppb): Ir 0.50~0.78, Ru 1.61~6.75, Rh 0.08~0.14, Pt 2.62~12.15, Pd 1.11~3.65 and Au 1.24~8.61, respectively. The primary mantle-normalized PGE distribution patterns reveal “swallow type” curve, with enrichment in Ru, Pt, Pd in comparison with Ir, Rh, and are similar to those of harzburgite in Dazhuka, Tibet, China. Nobles-metals reveal different trend with increase of Zr/Hf ratios. The preliminary study indicates that the overall PGE abundances of carbonatites are higher than the averages of MORB and OIB; the PGE of carbonatites underwent multi-source evolution. Fluids derived by metasomatism and subduction may transport PGE into carbonatite magmas. We suspect that besides the role of sulfides, volatile and alloys may modify PGE distribution patterns in carbonatite magma.
Subject Area矿床地球化学
Indexed BySCI
Language英语
Document Type期刊论文
Identifierhttp://ir.gyig.ac.cn/handle/352002/6800
Collection矿床地球化学国家重点实验室_矿床地球化学国家重点实验室_期刊论文
Recommended Citation
GB/T 7714
XU CHENG,HUANG ZHILONG,LIU CONGQIANG,et al. PGE geochemistry of carbonatites in Maoniuping REE deposits, Sichuan Province, China: preliminary study[J]. Geochemical Journal,2003,37(3):391-399.
APA XU CHENG,HUANG ZHILONG,LIU CONGQIANG,QI LIANG,LI WENBO,&GUAN TAO.(2003).PGE geochemistry of carbonatites in Maoniuping REE deposits, Sichuan Province, China: preliminary study.Geochemical Journal,37(3),391-399.
MLA XU CHENG,et al."PGE geochemistry of carbonatites in Maoniuping REE deposits, Sichuan Province, China: preliminary study".Geochemical Journal 37.3(2003):391-399.
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