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| 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) | | from zircon to hafnon in the Koktokay No. 1 granitic pegmatite,
Altai, northwestern China
Rong Yin1, Ru...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 Li–Cs–Ta-rich granitic pegmatite located...Altai, northwestern China. Zircon is present in most textural zones of this pegmatite and in its contact...indicating the presence of hafnian zircon to zirconian hafnon. Large HfO2
content variations of up to 34.8 wt% | 👁 Image
| 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 | 👁 Image
| | Journal (article/letter/editorial) | | OREGEO-01290; No of Pages 12
Ore Geology Reviews xxx (2014) xxx–xxx
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...Magmatic–hydrothermal
The Songshugang rare-element granite
South China
a b s t r a c t
The Songshugang granite, hidden...granite in northeastern Jiangxi province, South China. The samples were systematically taken from the | 👁 Image
| | Journal (article/letter/editorial) | | Teplice caldera
(Czech Republic/Germany)
Karel Breiter 1
& Radek Škoda
2
Received: 23 September 2016 / Accepted:...handling: L. Nasdala
* Karel Breiter
breiter@gli.cas.cz
1
Institute of Geology of the Czech Academy of Sciences...in many fractionated granites and pegmatites (Tab. 1). Cheng et al. (1992) reported zircon with up to
18...(with a max. 12.37 wt% HfO2) in
Laoshan, eastern China. In Cornwall, the Zr/Hf values in zircon decreased...noted from Suzhou (A-type, China, Wang et al.
1996), Yichun granite (S-type, China, Huang et al. 2002),
Beauvoir | 👁 Image
| | Journal (article/letter/editorial) | | Article history:
Received 17 October 2013
Accepted 1 February 2014
Available online 7 February 2014
Keywords:...3 wt.% Sc2O3), Nb (up
to 5 wt.% Nb2O5), Ta (up to 1 wt.% Ta2O5), W (up to 3 wt.% WO3), F (up to 2.5 wt...wt.% F), P (up to 11 wt.% P2O5),
and As (up to 1 wt.% As2O5). Metamictized zircons may also be enriched...Erzgebirge.
© 2014 Elsevier B.V. All rights reserved.
1. Introduction
Zircon is an almost ubiquitous and relatively...concentrations of Hf in zircon were found in the Tanco pegmatite in Manitoba, Canada (39 wt.%
HfO2, Van Lichtervelde |
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