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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
发表期刊Geochemical Journal
卷号37期号:3页码:391-399
摘要Concentrations 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.
学科领域矿床地球化学
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/352002/6800
专题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
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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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