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The formation of the world-class Zhuxi scheelite skarn deposit: Implications from the petrogenesis of scheelite-bearing anorthosite

Published on Jul 1, 2018in Lithos 3.91
· DOI :10.1016/j.lithos.2018.05.002
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
Cite
Abstract
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-bearing anorthosite of hydrothermal origin in a W deposit. Field, textural, mineralogical, and geochemical evidence suggest a hydrothermal genesis for the scheelite-bearing anorthosite in the Zhuxi deposit. The scheelite-bearing anorthosite formed when the Al-, Si-, P-, W-, and F-rich residual magma (fluid) was contaminated by pure limestone in a reducing environment. The formation of the scheelite-bearing anorthosite requires fertile (W-rich) metasedimentary rocks as a magmatic source, which formed granitic magma emplaced at a great depth that emanated W-enriched magmatic hydrothermal fluids during the latest stage of magma crystallization, thus producing the large-scale tungsten mineralization in the Zhuxi mine.
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  • Citations (3)
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References84
Newest
Published on Oct 1, 2018in Mineralogy and Petrology 1.57
Rainer Thomas16
Estimated H-index: 16
,
Adolf Rericha1
Estimated H-index: 1
+ 1 AuthorsPaul Davidson20
Estimated H-index: 20
(UTAS: University of Tasmania)
SE Kenya is the world’s largest producer of green vanadium grossular gemstones (tsavorite). Samples from one of the mines near Mwatate, and of occurrences in Tanzania yielded remarkable new insights into the genesis of tsavorite. Graphite is intimately associated with V-grossular and is one of the keys to understanding its origin. In the course of this study we found five different types of graphite. Surprisingly, in one graphite type the “Raman-forbidden” and IR-active 867 cm− 1 band was observ...
Published on Apr 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 The Zhuxi W-Cu deposit, located in the Jiangnan porphyry-skarn W belt, is a world-class W deposit. We studied three coeval mineralization-related intrusions composed of biotite monzogranite, fine-grained granite, and granite porphyry in the Zhuxi mine. These rocks contain peritectic garnet and K-feldspar. The LA-ICP-MS U–Pb dating of zircon from the biotite monzogranite, fine-grained granite, and granite porphyry yields average ages of 149.38 ± 0.86 Ma, 149.0 ± 1.0 Ma, and 148.30 ± 1.4 ...
Published on Jan 1, 2018
the following topics are currently covered by the mineral commodity summaries domestic production and uses u s salient statistics recycling import sources tariff depletion allowance government stockpile events trends and issues world production reserves and reserve base world resources and substitutes
Published on Aug 1, 2017in Lithos 3.91
Jingwen Mao33
Estimated H-index: 33
,
Bikang Xiong2
Estimated H-index: 2
+ 5 AuthorsPan Dai1
Estimated H-index: 1
Abstract The Yangchuling W–Mo deposit, located in the Jiangnan porphyry–skarn (JNB) tungsten ore belt, is the first recognized typical porphyry W–Mo deposit in China in the 1980's. Stockworks and disseminated W–Mo mineralization occur in the roof pendant of a 0.3 km 2 monzogranitic porphyry stock that intruded into a granodiorite stock, hosted by Neoproterozoic phyllite and slate. LA-ICPMS zircon U–Pb analyses suggest that of the monzogranitic porphyry and granodiorite were formed at 143.8 ± 0.5...
Published on Aug 1, 2017in Mineralium Deposita 3.40
Serguei G. Soloviev6
Estimated H-index: 6
,
Sergey G. Kryazhev6
Estimated H-index: 6
The Skrytoe deposit (>145 Kt WO3, average grade 0.449% WO3) in the Sikhote-Alin orogenic system (Eastern Russia) is situated in a metallogenic belt of W, Sn-W, Au, and Au-W deposits formed in a late to post-collisional tectonic environment after cessation of active subduction. It is localized within a mineralized district of reduced-type skarn W and veined Au (±W) deposits and occurrences related to the Early Cretaceous ilmenite-series plutonic suite. The deposit incorporates large stockworks of...
Published on Jun 1, 2017in Ore Geology Reviews 3.39
Xiaofei Pan2
Estimated H-index: 2
,
Zengqian Hou26
Estimated H-index: 26
+ 6 AuthorsChuan Kang1
Estimated H-index: 1
Abstract The recently discovered Zhuxi W–Cu ore deposit is located within the Taqian–Fuchun Ore Belt in the southeastern edge of the Yangtze Block, South China. Its inferred tungsten resources, based on new exploration data, are more than 280 Mt by 2016. At least three paragenetic stages of skarn formation and ore deposition have been recognized: prograde skarn stage; retrograde stage; and hydrothermal sulfide stage. Secondly, greisenization, marmorization and hornfels formation are also observe...
Published on Dec 1, 2016in Solid Earth Sciences
Yanbo Cheng13
Estimated H-index: 13
(JCU: James Cook University),
Jingwen Mao33
Estimated H-index: 33
(China University of Geosciences),
Peng Liu3
Estimated H-index: 3
(China University of Geosciences)
The Sn–W mineralization in SE Yunnan Province, China and NE Vietnam shares many similarities. Through comparing the geological and geochronological data, we suggest the Sn–W deposits and the associate igneous rocks in the region represent one regional magmatic-mineralization event. To explore the geodynamic setting of these mineralization and magmatic activities, a geochronological dataset in the regions has been presented, containing data of this study and previously published. The dataset show...
Published on Sep 1, 2016in Lithos 3.91
Rainer Thomas16
Estimated H-index: 16
,
Paul Davidson20
Estimated H-index: 20
(UTAS: University of Tasmania)
Abstract In this study we examine an interesting occurrence of miarolitic pegmatites in the Konigshain granite of the Lusatia region of the Bohemian Massif. This granite is characterized by the extensive development of micro-sized miarolitic pegmatites (typically with diameters of 5 to 15 mm) irregularly distributed through its upper levels, and larger miarolitic pegmatites (up to 1 m) in the uppermost levels. This granite also shows evidence of varied forms of transport of extremely volatile ri...
Published on Apr 1, 2016in Elements 4.22
Bruno Scaillet50
Estimated H-index: 50
(University of Orléans),
Francois Holtz48
Estimated H-index: 48
(Leibniz University of Hanover),
Michel Pichavant52
Estimated H-index: 52
(University of Orléans)
A rich history of experimental petrology has revealed the paths by which silicic igneous rocks follow mineral–melt equilibria during differentiation. Subdividing these rocks by ‘molar Al versus Ca + Na + K’ illustrates first-order differences in mineralogy and gives insight into formation mechanisms. Peraluminous magmas, formed by partial melting of sediments, largely owe their attributes and compositions to melting reactions in the protoliths, whereas most metaluminous felsic magmas record both...
Published on Apr 1, 2016in Science China-earth Sciences 2.26
CHENGuoHua1
Estimated H-index: 1
(NU: Nanjing University),
Shu Liangshu11
Estimated H-index: 11
(NU: Nanjing University)
+ 2 AuthorsOuyang YongPeng1
Estimated H-index: 1
江西朱溪白钨(铜)多金属矿是近年发现的一个特大型矿床,发育在富含钨铜元素的新元古代泥砂质岩石基底之上,产在燕山期花岗岩与石炭-二叠纪灰岩的接触带.与矿化有关的花岗岩主要是等粒状、中-粗粒状花岗岩和花岗斑岩.存在矽卡岩白钨(铜)矿和花岗岩白钨矿两种矿化类型,前者规模大,品位富,后者规模小,品位低.在塔前-赋春盆地,其NW边界呈逆断层、SE边界呈角度不整合与元古代基底接触,而石炭-二叠纪多个岩组中灰岩的钨铜元素含量都很高.矿区外围与矿区内花岗岩类的主量元素含量差别不大,其A/CNK值均>1.1,属富钾的强过铝质花岗岩.在微量元素上,矿区内花岗岩比外围花岗岩的 δ Eu值更小,更具显著的Eu负异常,富集Rb, U, Ta, Pb和Hf,亏损Ba, Ce, Sr, La和Ti,属于演化程度更高的高分异S型花岗岩.受流体作用的影响,矿区内岩体硫化物矿化明显, SO 3 平均含量0.2%.和外围岩体相比,矿区内花岗岩 δ Eu和稀土总量均偏低,暗示外围与矿区花岗岩具有一定演化继承关系.外围与矿区岩体中的锆石U-Pb年龄为152~148 Ma.通过花岗岩中原位锆石Lu-Hf同位素分析,计算得到的 e...
Cited By3
Newest
Published on Jul 1, 2019in American Mineralogist 2.63
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)
Published on Jun 1, 2019in Minerals 2.25
Jing Xu1
Estimated H-index: 1
,
Cristiana L. Ciobanu28
Estimated H-index: 28
+ 1 AuthorsAshley Slattery4
Estimated H-index: 4
Scheelite (CaWO4) and powellite (CaMoO4) are isostructural minerals considered as a non-ideal solid solution series. Micron- to nanoscale investigation of a specimen of skarnoid from Zhibula, Gangdese Belt, Tibet, China, was carried out to assess the identity of the phases within a broad scheelite-powellite (Sch-Pow) compositional range, and to place additional constraints on redox changes during ore formation. An electron probe microanalysis shows that Mo-rich domains within complex oscillatory...
Published on Jun 1, 2019in Ore Geology Reviews 3.39
Lulu Yuan , Guoxiang Chi20
Estimated H-index: 20
+ 6 AuthorsMingyue Hu
Abstract The Zhuxi W deposit in Jiangxi, South China, with a resource of 2.86 Mt W and an average grade of 0.54% WO 3 , is the largest W deposit in the world. The deposit occurs at the contact between a late Mesozoic granitic intrusion and Carboniferous – Permian carbonate rocks and Neoproterozoic metamorphic rocks. The ores are divided into three types: skarn ore (dominant), sulfide ore and greisen ore. Based on occurrences and petrographic relationships, scheelite (the dominant ore mineral) is...
Published on Apr 1, 2019in Mineralium Deposita 3.40
Shiwei Song1
Estimated H-index: 1
(PKU: Peking University),
Jingwen Mao33
Estimated H-index: 33
(PKU: Peking University)
+ 5 AuthorsYongpeng Ouyang2
Estimated H-index: 2
The Zhuxi W (Cu) skarn deposit is the largest W deposit in the Jiangnan porphyry–skarn tungsten belt in South China, and is also among the largest deposit of this type in the world. Titanite is a common mineral in the Zhuxi deposit, and occurs in three textural settings: titanite I associated with retrograde-altered exoskarn with weak mineralization; titanite II in retrograde-altered endoskarn with disseminated Cu ore; and titanite III from altered granite with disseminated W ore. Here, we prese...