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Textural and chemical variations of micas as indicators for tungsten mineralization: Evidence from highly evolved granites in the Dahutang tungsten deposit, South China

Published on Jul 1, 2019in American Mineralogist 2.63
· DOI :10.2138/am-2019-6796
Rong Yin (CAS: Chinese Academy of Sciences), Li Han (CAS: Chinese Academy of Sciences)+ 3 AuthorsL.-P. Chen2
Estimated H-index: 2
(CAS: Chinese Academy of Sciences)
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Published on Nov 1, 2018in Geochimica et Cosmochimica Acta 4.26
Jie Li17
Estimated H-index: 17
(CAS: Chinese Academy of Sciences),
Xiao-Long HuangYaoling28
Estimated H-index: 28
(CAS: Chinese Academy of Sciences)
+ 4 AuthorsPeng-Li He3
Estimated H-index: 3
(CAS: Chinese Academy of Sciences)
Abstract Lithium isotope composition is potentially an effective geochemical tracer for hydrothermal processes and magmatic differentiation associated with rare-metal granitic rocks. The Yashan and Xihuashan plutons in South China are extraordinarily Li-F rich rare-metal granites that contain niobium-tantalum and tungsten deposits, respectively. As a moderately incompatible trace element in a felsic melt system, Li notably increases from protolithionite granite and Li-mica granite (88.7–175 μg/g...
Published on Aug 1, 2018in Ore Geology Reviews 3.39
Qiang Zhang1
Estimated H-index: 1
(NU: Nanjing University),
Rongqing Zhang12
Estimated H-index: 12
(NU: Nanjing University)
+ 2 AuthorsJin-Wei Wu2
Estimated H-index: 2
(NU: Nanjing University)
Abstract Veinlet-disseminated and vein-type tungsten deposits are important tungsten resources in South China and show remarkable diversity in dominant tungsten minerals. To better understand their genesis, scheelite from the Shimensi veinlet-disseminated deposit and wolframite from the Xihuashan and Piaotang vein-type deposits were selected to conduct in-situ laser ablation-inductively coupled plasma-mass spectrometry trace element analyses. The Shimensi tungsten mineralization occurs in intens...
Published on Aug 1, 2018in Ore Geology Reviews 3.39
Weile Song2
Estimated H-index: 2
(CAS: Chinese Academy of Sciences),
Jun-Ming Yao12
Estimated H-index: 12
(CAS: Chinese Academy of Sciences)
+ 5 AuthorsChun-Kit Lai11
Estimated H-index: 11
(UTAS: University of Tasmania)
Abstract The newly discovered giant Dahutang W–Cu–Mo deposit in the central part of the Jiangnan Orogen hosts an estimated resource of 1.1 million tons (Mt) of WO 3 , plus a proven resource of 0.65 Mt Cu and 0.08 Mt Mo. The Dahutang deposit is temporally and spatially associated with the Late Mesozoic S-type granites emplaced into the Neoproterozoic Jiuling granodiorite batholith and the Shuangqiaoshan Group. Based on petrographic observations, eight hydrothermal alteration/mineralization stages...
Published on Jul 1, 2018in Lithos 3.91
Shiwei Song1
Estimated H-index: 1
(PKU: Peking University),
Jingwen Mao33
Estimated H-index: 33
(PKU: Peking University)
+ 4 AuthorsYongpeng Ouyang2
Estimated H-index: 2
Abstract A quartz-free scheelite-bearing fine- to medium-grained anorthosite occurs as a dike in the world-class Zhuxi scheelite skarn deposit of South China. The anorthosite mainly comprises An-rich plagioclase (An avg = 91, ~90 vol%) + scheelite (~3 vol%) + apatite (~2.5 vol%) + ilmenite (~1.5 vol%) + titanite (~1 vol%), as well as minor (~2 vol%) fluorite, prehnite, chalcopyrite, pyrrhotite, pyrite, sphalerite, rutile, and uraninite. This paper reports the first occurrence of scheelite-bearin...
Published on Apr 1, 2018in Ore Geology Reviews 3.39
Weile Song2
Estimated H-index: 2
(CAS: Chinese Academy of Sciences),
Jun-Ming Yao12
Estimated H-index: 12
(CAS: Chinese Academy of Sciences)
+ 5 AuthorsFred Jourdan34
Estimated H-index: 34
(Curtin University)
Abstract The connection between prolonged granitic magmatism and the formation of giant tungsten (W) polymetallic deposits has long been disputed. In this study, we present 6 mica Ar–Ar plateau ages and 22 molybdenite Re–Os model ages data on the newly discovered giant Dahutang W–Cu–Mo deposit in South China, which is one of the largest W deposits in the world. New and published zircon U–Pb, mica Ar–Ar, and molybdenite Re–Os age data reveal that the Mesozoic Dahutang magmatism and mineralization...
Published on Jan 1, 2018in Chemical Geology 3.62
Matthieu Harlaux4
Estimated H-index: 4
(University of Lorraine),
Julien Mercadier14
Estimated H-index: 14
(University of Lorraine)
+ 3 AuthorsMichel Cuney13
Estimated H-index: 13
(University of Lorraine)
Abstract We present a complete dataset for major, minor and trace elements in wolframite ([Fe,Mn]WO 4 ) based on the example of several peribatholitic hydrothermal W deposits located in the Variscan French Massif Central (FMC). The wolframite samples were characterized down to the micrometer scale by combining scanning electron microscopy observations and in situ chemical analysis by electron probe microanalyzer and laser ablation – inductively coupled plasma – mass spectrometry. Most samples ar...
Published on Jan 1, 2018in American Mineralogist 2.63
Hélène Legros2
Estimated H-index: 2
(University of Lorraine),
Christian Marignac5
Estimated H-index: 5
(École nationale supérieure des mines de Nancy)
+ 6 AuthorsMarc-Yves Lespinasse2
Estimated H-index: 2
(University of Lorraine)
Published on Aug 1, 2017in Ore Geology Reviews 3.39
Xiang Wang2
Estimated H-index: 2
(NU: Nanjing University),
Minghua Ren2
Estimated H-index: 2
(UNLV: University of Nevada, Las Vegas),
Jie Chen2
Estimated H-index: 2
(NU: Nanjing University)
Abstract Muscovite granites (MGs) in the Nanling Range (South China) occur as satellite intrusions within or surrounding batholitic biotite monzogranites (BMs). The MGs are massive and fine-grained with a porphyritic texture, and contain quartz, K-feldspar and albite in nearly equal portions. The accessory minerals in the MGs include alumina-rich minerals (e.g., Mn- and Fe-rich garnet, andalusite, topaz, and tourmaline), anatase, rutile, wolframite, cassiterite, xenotime, chalcopyrite, molybdeni...
Published on Jul 1, 2017in Geology 5.01
Pilar Lecumberri-Sanchez10
Estimated H-index: 10
(ETH Zurich),
Romeu Vieira5
Estimated H-index: 5
+ 2 AuthorsM. Wӓlle1
Estimated H-index: 1
(ETH Zurich)
Tungsten mineralization is typically associated with reduced granitic magmas of crustal origin. While this type of magmatism is widespread, economic tungsten deposits are highly localized, with ∼90% produced from only three countries worldwide. Therefore, the occurrence of reduced magmatism, while necessary for tungsten enrichment, seems to be insufficient to form such rare deposits. Here we explore the mechanisms that lead to wolframite precipitation and evaluate whether they may exert a decisi...
Published on Jul 1, 2017in Science China-earth Sciences 2.26
WUFuyuan87
Estimated H-index: 87
(CAS: Chinese Academy of Sciences),
Xiao-Chi Liu18
Estimated H-index: 18
(CAS: Chinese Academy of Sciences)
+ 2 AuthorsLei Yang3
Estimated H-index: 3
(CAS: Chinese Academy of Sciences)
Granite is one of the most important components of the continental crust on our Earth; it thus has been an enduring studied subject in geology. According to present knowledge, granite shows a great deal of heterogeneity in terms of its texture, structure, mineral species and geochemical compositions at different scales from small dike to large batholith. However, the reasons for these variations are not well understood although numerous interpretations have been proposed. The key point of this d...
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