| Yin, Rong, Wang, Ru Cheng, Zhang, Ai-Cheng, Hu, Huan, Zhu, Jin Chu, Rao, Can, Zhang, Hui (2015) CHEMICAL EVOLUTION AND LATE-STAGE RE-EQUILIBRATION OF Zr-Hf-U-BEARING COLUMBITE-GROUP MINERALS IN THE KOKTOKAY NO. 1 GRANITIC PEGMATITE, ALTAI, NORTHWESTERN CHINA. The Canadian Mineralogist, 53 (3) 461-478 doi:10.3749/canmin.1400091 | Journal (article/letter/editorial) | COLUMBITE-GROUP MINERALS IN THE KOKTOKAY NO. 1 GRANITIC PEGMATITE, ALTAI, NORTHWESTERN CHINA RONG YIN, RU CHENG WANG§...210046, China CAN RAO Department of Earth Sciences, Zhejiang University, Hangzhou 310027, China HUI ZHANG...Guiyang, 550002, China ABSTRACT The Koktokay No. 1 pegmatite in northwestern China is a highly fractionated...Li-Cs-Ta (LCT)-type granitic pegmatite. As main Nb-Ta oxides in this pegmatite, columbite-group minerals...processes of crystallization and evolution of this pegmatite. Columbite-group minerals record large variations | | Yin, R., Wang, R. C., Zhang, A.-C., Hu, H., Zhu, J. C., Rao, C., Zhang, H. (2013) Extreme fractionation from zircon to hafnon in the Koktokay No. 1 granitic pegmatite, Altai, northwestern China. American Mineralogist, 98 (10) 1714-1724 doi:10.2138/am.2013.4494 | Journal (article/letter/editorial) | fractionation from zircon to hafnon in the Koktokay No. 1 granitic pegmatite, Altai, northwestern China Rong Yin1...Nanjing 210093, China 2 Department of Earth Sciences, Zhejiang University, Hangzhou 310027, China 3 Institute...550002, China 1 Abstract The Koktokay No. 1 pegmatite is a LiâCsâTa-rich granitic pegmatite located...Altai, northwestern China. Zircon is present in most textural zones of this pegmatite and in its contact... Here we describe the detailed associations of zircon with other minerals, and the internal textures | | Zhu, Ze-Ying, Wang, Ru-Cheng, Che, Xu-Dong, Zhu, Jin-Chu, Wei, Xing-Lin, Huang, Xiao'e (2015) Magmaticâhydrothermal rare-element mineralization in the Songshugang granite (northeastern Jiangxi, China): Insights from an electron-microprobe study of NbâTaâZr minerals. Ore Geology Reviews, 65. 749-760 doi:10.1016/j.oregeorev.2014.07.021 | Journal (article/letter/editorial) | OREGEO-01290; No of Pages 12 Ore Geology Reviews xxx (2014) xxxâxxx Contents lists available at ScienceDirect...the Songshugang granite (northeastern Jiangxi, China): Insights from an electron-microprobe study of...210046, China Jiangxi Nonferrous Metals Geological Exploration Bureau, Nanchang 330000, China a r t i...assemblage Zircon Fractionation Magmaticâhydrothermal The Songshugang rare-element granite South China a b...granite in northeastern Jiangxi province, South China. The samples were systematically taken from the | | | Journal (article/letter/editorial) | DOI 10.1007/s00710-017-0509-z ORIGINAL PAPER Zircon and whole-rock Zr/Hf ratios as markers of the evolution...Teplice caldera (Czech Republic/Germany) Karel Breiter 1 & Radek Ć koda 2 Received: 23 September 2016 / Accepted:...zinnwaldite granite and greisen. New data suggest that zircon crystallizing from a geochemically less evolved...to the host rock, relatively Hf-depleted, while zircon crystallizing from an evolved volatile- and water-rich...identical to that of the parental melt. Zr/Hf values in zircon did not change substantially either during greisenization | | | Journal (article/letter/editorial) | Chemical characteristics of zircon from A-type granites and comparison to zircon of S-type granites Karel...October 2013 Accepted 1 February 2014 Available online 7 February 2014 Keywords: Zircon A-type granites S-type...Ta-, and U-enriched rare-metal granites. While zircon is one of the ïŹrst crystallized minerals in less...in ïŹuorite or cryolite or are interstitial. The zircon in hornblendeâbiotite and biotite granites from...plutons is poor in minor and trace elements; the zircon in moderately fractionated granite varieties is |
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