 | | Book | | Twyfelfontein 7 AiAiba / farm Anibib 136 8 Grosse Spitzkoppe, Erongo 9 , .,/, loringa tree ...Helmeringhausen 2 AiAiba 3 Rail ay station Garub near Aus Nature conservation, Erongo 16 Welwitschia...Northwest Region including Damaraland The Central Namib Desertand Escarpment The Spitzkoppen The Erongo Mountains...Copper Deposits The South The Pegmatitesin Central Namibia Luderitz and the Diamonds 44 49 241 254 272 275... Encyclopedia of the Mineralsof Namibia 443 Meteorites in Namibia Bibliography Index Photo credits |  | Che, Xu-Dong, Wu, Fu-Yuan, Wang, Ru-Cheng, Gerdes, Axel, Ji, Wei-Qiang, Zhao, Zhen-Hua, Yang, Jin-Hui, Zhu, Ze-Ying (2015) In situ U–Pb isotopic dating of columbite–tantalite by LA–ICP–MS. Ore Geology Reviews, 65. 979-989 doi:10.1016/j.oregeorev.2014.07.008 | Journal (article/letter/editorial) | | OREGEO-01277; No of Pages 11 Ore Geology Reviews xxx (2014) xxx–xxx Contents lists available at ScienceDirect...LA–ICP–MS Matrix effect Nanping pegmatite Altai No.3 pegmatite Dahe pegmatite Yichun a b s t r a c t Columbite–tantalite...commonly occurring in rare metal granite and pegmatite, alkaline granite, syenite and carbonatite. Its...coltan standard from Namibia (Coltan139), the coltan sample from Dahe pegmatite (SNNT) has a weighted...respectively; the coltan samples from Altai No.3 pegmatite (713-79), Yichun topaz-lepidolite granite (Yi-1) |  | | Journal (article/letter/editorial) | | 3749/canmin.1600010 A TECTONIC EVALUATION OF PEGMATITE PARENT GRANITES SARAH L. HANSON Adrian College...suggested by the acronyms. The relationship between pegmatite family and granite tectonic type were re-examined...published granite compositions as a proxy for initial pegmatite composition, with special regard to the orogenic...diagrams for these granites suggest that LCT granite-pegmatite systems originate in orogenic and perhaps less...from each tectonic setting are reflected in the pegmatite mineralogy. Granite that is parental to LCT pegmatites |  | Zhu, Zeying, Wang, Rucheng, Marignac, Christian, Cuney, Michel, Mercadier, Julien, Che, Xudong, Lespinasse, Marc-Yves (2018) A new style of rare metal granite with Nb-rich mica: The Early Cretaceous Huangshan rare-metal granite suite, northeast Jiangxi Province, southeast China. American Mineralogist, 103 (10) 1530-1544 doi:10.2138/am-2018-6511 | Journal (article/letter/editorial) | | B.P. 70239, F-54506 Vandoeuvre-lès-Nancy, France 3 Ecole Nationale Supérieure des Mines de Nancy, Parc...Yichun granite, China, Li et al. 2015; Tanco pegmatite, Canada, Van Lichtervelde et al. 2008; Cínovec...et al. 2012; Brazil Lake pegmatite, Nova Scotia, Kontak 2006; Karibib pegmatite, * E-mail: rcwang@nju.edu...2138/am-2018-6511 Namibia, Roda et al. 2007; Keketuohai region, China, Zhu et al. 2006; Cap de Creus pegmatite field...Zhu et al. 2015). The Huangshan granite/aplite/pegmatite suite (southeast Jiangxi Province, southern China) |  | Zhou, Qifeng, Qin, Kezhang, Tang, Dongmei, Wang, Chunlong, Tian, Ye, Sakyi, Patrick Asamoah (2015) Mineralogy of the Koktokay No. 3 pegmatite, Altai, NW China: implications for evolution and melt–fluid processes of rare-metal pegmatites. European Journal of Mineralogy, 27 (3) 433-457 doi:10.1127/ejm/2015/0027-2443 | Journal (article/letter/editorial) | | PrePub Article Mineralogy of the Koktokay No. 3 pegmatite, Altai, NW China: implications for evolution...Chinese Academy of Sciences, Urumqi 830011, China 3 University of Chinese Academy of Sciences, Beijing...Legon-Accra, Ghana Abstract: The Koktokay No. 3 pegmatite is the largest Li-Be-Nb-Ta-Cs pegmatitic rare-metal...beryl from the outer to inner zones of the No. 3 pegmatite. From previous studies on tourmaline and beryl...beryl, potential tracers of the degree of pegmatite evolution could be found by comparing with accepted |  | Zhang, A. C., Wang, R. C., Jiang, S. Y., Hu, H., Zhang, H. (2008) CHEMICAL AND TEXTURAL FEATURES OF TOURMALINE FROM THE SPODUMENE-SUBTYPE KOKTOKAY No. 3 PEGMATITE, ALTAI, NORTHWESTERN CHINA: A RECORD OF MAGMATIC TO HYDROTHERMAL EVOLUTION. The Canadian Mineralogist, 46 (1) 41-58 doi:10.3749/canmin.46.1.41 | Journal (article/letter/editorial) | | TOURMALINE FROM THE SPODUMENE-SUBTYPE KOKTOKAY No. 3 PEGMATITE, ALTAI, NORTHWESTERN CHINA: A RECORD OF MAGMATIC...Koktokay No. 3 pegmatite, Altai, northwestern China, is a spodumene-subtype granitic pegmatite. In this...altered country-rock, the contact zone, and the pegmatite. The tourmaline in the altered country-rock, Ca-...between the country rock (metagabbro) and the pegmatite-forming melt or fluids derived from it. The chemical...rock and the pegmatite. The tourmaline in the outer zones (zones I to IV) of the pegmatite is elbaite–schorl |  | Gaines, Richard V., Skinner, H. Catherine W., Foord, Eugene E., Mason, Brian, Rosenzweig, Abraham, King, Vandall T. (1997) Dana's New Mineralogy (8th ed.) Wiley-Interscience. p.1872 | Book (edition) | | Sulfides, Including Selenides and Tellurides Class 3 Sulfosalts ot 150 Oxides Class Class Class Class...Class 55 56 57 58 SieO7 Groups, Generally with No Additional Anions: Sip07 with Additional O, OH, F...Cyclosilicates Class Class Class Class Class Class 59 60 61 62 63 64 Inosilicates: Two-Dimensionally Infinite...chemistry of individual species was discussed, but no chemical formulas were presented, even though Berzelius...essentially completed by Clifford Frondel (1907-). Volume 3 (silica minerals) was completed by Frondel in 1962 |  | | Journal (issue) | | Queensland, South Australia, Tasmania and Victoria Volume 3, Number 2 December 1997 ISSN 1323-7640 CONTENTS ... Page Feature Articles: The Coolgardie pegmatite field, Western Australia Mark I. Jacobson ...........minerals associated with ironstones in the Olary region, South Australia P.M. Ashley, B.G. Lottermoser...Melbourne, Victoria 300 I, Australia Tel: 61 3 9669 9892 Fax: 61: 3 9663 3669 EMail: dhenry@mov.vic.gov.au...Mineralogical Society of Victoria. See page 90. Vol 3. No 2, December 1997 'l{ptes from the, 'Editor INDEX |  | | Journal (article/letter/editorial) | | CHEMGE-18164; No of Pages 11 Chemical Geology xxx (2016) xxx–xxx Contents lists available at ScienceDirect...recrystallization of Sc-rich precursors in Dolní Bory pegmatite: Evidence for different mobility of Sc, Y, REE...Faculty of Science, Masaryk University, Kotlářská 2, 61 137 Brno, Czech Republic a r t i c l e i n f o...alteration Mobilization of scandium Granitic pegmatite a b s t r a c t Three distinct types (A, B and...andalusite-diaspore nodule from the quartz core of the pegmatite dyke No. 3, Dolní Bory, Czech Republic. Primary crystallization |  | Zhou, Jiehao, Zhang, Hui, Tang, Yong, Lv, Zhenghang, Guan, Shenjin (2023) Characteristics and Geological Significance of CO2-Rich Fluid Inclusions in Dakalasu No. 1 Pegmatite Dyke, Altay. Minerals, 13 (3) 365 doi:10.3390/min13030365 | Journal (article/letter/editorial) | | Significance of CO2-Rich Fluid Inclusions in Dakalasu No. 1 Pegmatite Dyke, Altay Jiehao Zhou 1 , Hui Zhang 2 , Yong...of CO2 -Rich Fluid Inclusions in Dakalasu No. 1 Pegmatite Dyke, Altay. Minerals 2023, 13, 365. https://doi...guansj@kust.edu.cn Abstract: The fluids in of pegmatite rare metal deposits are generally rich in rare...and migrating rare metals. The Dakalasu No. 1 rare metal pegmatite vein is located in northwest China’s...Dakalasu No. 1 pegmatite dyke. Keywords: CO2 -rich fluid; LA-ICP-MS; enrichment mechanism; pegmatite-type |  | Zhang, Aicheng, Wang, Rucheng, Li, Yiliang, Hu, Huan, Lu, Xiancai, Ji, Junfeng, Zhang, Hui (2008) Tourmalines from the Koktokay No.3 pegmatite, Altai, NW China: spectroscopic characterization and relationships with the pegmatite evolution. European Journal of Mineralogy, 20 (1) 143-154 doi:10.1127/0935-1221/2008/0020-1779 | Journal (article/letter/editorial) | | February 2008 Tourmalines from the Koktokay No.3 pegmatite, Altai, NW China: spectroscopic characterization...characterization and relationships with the pegmatite evolution Aicheng ZHANG1,#, *, Rucheng WANG1 , Yiliang LI2...Research Drive Suite 300, Knoxville, TN 37932, USA 3 Institute of Geochemistry, Chinese Academy of Sciences...(MS), infrared spectra (IR) in the OH stretching region, and reflectance spectra (RS) were obtained for...for natural tourmalines from the Koktokay No.3 pegmatite, the contact zone, and the altered country rock |  | | Journal (article/letter/editorial) | | magmatic–hydrothermal evolution time limitation of Kelumute No. 112 pegmatite in Altay, Northwestern China: Evidence from...Magmatic–hydrothermal evolution Zircon U\Pb age Hf isotope Pegmatite Granite Altay, Xinjiang a b s t r a c t Granitic...evolution of the Paleo-Asian Ocean. The Kelumute No. 112 pegmatite, which intruded into the Jideke twomica granites...deposits and ranks only second to the Koktokay No. 3 pegmatite in both size and reserves. To explore the evolution...magmatic–hydrothermal and hydrothermal stages in the pegmatite magma system, the tectonic setting and the genetic |  | | Report (issue) | | Pegmatite Investigations 1942-45 New England By EUGENE N. CAMERON and OTHERS GEOLOGICAL SURVEY PROFESSIONAL...______________________________________ _ Location of pegmatite districts ___________________ _ Previous work...Acknowledgments ______________________________ _ History of pegmatite mining inN ew England _______ _ Mica mining _...deposits _______________________ _ Geology of the pegmatite districts of Maine __ :. . _____ _ Metamorphic...________________________________ _ Geology of the pegmatite districts of New Hampshire_ Rock units ______ |  | Novák, Milan, Johan, Zdeněk, koda, Radek, Černý, Petr, rein, Vladimír, Veselovský, Frantiek (2008) Primary oxide minerals in the system WO3Nb2O5TiO2Fe2O3FeO and their breakdown products from the pegmatite No. 3 at Dolni Bory-Hate, Czech Republic. European Journal of Mineralogy, 20 (4) 487-499 doi:10.1127/0935-1221/2008/0020-1834 | Journal (article/letter/editorial) | | –FeO and their breakdown products from the pegmatite No. 3 at Dolní Bory-Hatě, Czech Republic Milan NOVÁK1...muni.cz 2 BRGM, 3, avenue Claude Guillemin, BP 6009, 45060 Orléans, Cedex 2, France 3 Department of Geological...Klárov 3, 118 21 Praha, Czech Republic Abstract: Symmetrically zoned barren pegmatite dike No. 3 cuts...best expression of the actual substitution mechanism 3+ 4+ 5+ from ferberite to “wolframoixiolite” with...9 R5.6 ) 12 O24 . The homovalent substitutions 2+ 3+ expressed by the exchange vectors: Fe Mn−1 , TaNb−1 |  | | Journal (article/letter/editorial) | | progressive fractionation of single injections of pegmatite magmas separated in time and space.The injections...rock, except in one case where a soda-Iithia pegmatite magma was injected along the foot-rvall schist...schist contact of an earlier potash type of pegmatite. There is no evidence to indicate that any of the magmas...solutions. A later sodalithia pegmatite in contact with an earlier potash pegmatite did not replace any visible...amount of residual rvater and other volatiles u,hich no doubt are liberated as highly heated vapors or liquids |  | Daneshvar, Narges, Azizi, Hossein, Asahara, Yoshihiro, Tsuboi, Motohiro, Minami, Masayo, Mohammad, Yousif O. (2021) Geochemistry and Genesis of Beryl Crystals in the LCT Pegmatite Type, Ebrahim-Attar Mountain, Western Iran. Minerals, 11 (7) 717 doi:10.3390/min11070717 | Journal (article/letter/editorial) | | Geochemistry and Genesis of Beryl Crystals in the LCT Pegmatite Type, Ebrahim-Attar Mountain, Western Iran Narges...Asahara 2 , Motohiro Tsuboi 3 , Masayo Minami 4 and Yousif O. Mohammad 5 1 2 3 4 5 * Department of...2 July 2021 Abstract: Ebrahim-Attar granitic pegmatite, which is distributed in southwest Ghorveh, western...crystallization temperature of the Ebrahim-Attar granitic pegmatite changes from 586 to 755 ◦ C (average = 629 ◦ C)...Geochemistry and Genesis of Beryl Crystals in the LCT Pegmatite Type, Ebrahim-Attar Mountain, Western Iran. Minerals |  | | Journal (article/letter/editorial) | | Taylor & Francis, our agents, and our licensors make no representations or warranties whatsoever as to the...isolated by means of apparatus of the GEOKhI-1960-No. 7 type; its isotopic composition was determined...obtained, we will describe briefly the geology of the region under study, and the purpose of our investigation...Nanling region (fig. 2) is quite different from that of southern Inner Mongolia. This region takes in...Although not an independent geotectonic element, the region is geologically important. Its base Translated |  | Wang, Ru, Cheng Che, Xu, Dong Zhang, Wen, Lan Zhang, Ai, Cheng Zhang, Hui (2009) Geochemical evolution and late re-equilibration of NaCs-rich beryl from the Koktokay #3 pegmatite (Altai, NW China) European Journal of Mineralogy, 21 (4) 795-809 doi:10.1127/0935-1221/2009/0021-1936 | Journal (article/letter/editorial) | | re-equilibration of Na–Cs-rich beryl from the Koktokay #3 pegmatite (Altai, NW China) RU CHENG WANG1,*, XU DONG CHE1...Chinese Academy of Sciences, Nanjing, 210008, China 3 Institute of Geochemistry, Chinese Academy of Sciences...Cs-rich beryl were studied in the Koktokay #3 pegmatite, Altai district, China. Complex internal textures...between outer (I–IV) and inner (V–VII) zones of the pegmatite. Primary beryl in outer zones contains 0.16–0...relationship indicates a two-step hydrothermal alteration. (3) The third is Na-enriched beryl that occurs as a marginal |  | 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...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...be a result of fractional crystallization of pegmatite magma. The concentrations of ZrO2, HfO2, and UO2 |  | Cao, Ming-Jian, Zhou, Qi-Feng, Qin, Ke-Zhang, Tang, Dong-Mei, Evans, Noreen J. (2013) The tetrad effect and geochemistry of apatite from the Altay Koktokay No. 3 pegmatite, Xinjiang, China: implications for pegmatite petrogenesis. Mineralogy and Petrology, 107 (6) 985-1005 doi:10.1007/s00710-013-0270-x | Journal (article/letter/editorial) | | from the Altay Koktokay No. 3 pegmatite, Xinjiang, China: implications for pegmatite petrogenesis Ming-Jian...better constrain the evolution and petrogenesis of pegmatite, geochemical analysis was conducted on a suite...of apatite crystals from the Altay Koktokay No. 3 pegmatite, Xinjiang, China and from the granitic and...amphibolitic wall rocks. Apatite samples derived from pegmatite zones show convex tetrad effects in their REE...amount of hydrothermal fluid exsolved from the pegmatite melts. Evolution of melt composition was found |  | | Report (chapter) | | geological studies . 3 Pegmatites in the Falcon Lake-West Hawk Lake area . Lucy pegmatite. Results of the...drill program . ..... . .. . . . Artdon pegmatite Subsurface pegmatite on the Alan 27 claim .... .. . . ...... . . ... . . Molly and Bendum claim s Deer pegmatite , West Hawk Lake. . . . . . . . . . . . . . .... . . ... . . . . . . . Found , Found 2 and Found 3 claims ... .. ... . .... . . .. . . . . . . . . ....Lake .. ... . . . ... ..... .. . . . . . Beryl pegmatite north of Telford. 7 7 9 9 12 12 12 15 16 17 17 |  | | Journal (article/letter/editorial) | | Czech Republic; examples from the Vlastějovice region Milan Novák*, Tomáš Kadlec, Petr Gadas Department...biotite) were distinguished in the Vlastějovice region, Moldanubian Zone: a) tourmaline-bearing pegmatites...bodies) and belong to the Moldanubian rare-element pegmatite province. They show distinct degree of textural...Al-poor tourmalines) higher in the less evolved pegmatite bodies in the Fe-skarn. The tourmaline-bearing...pegmatites were evidently generated from the granite–pegmatite body in the footwall contact of the Fe-skarn. |  | Zhou, Qifeng, Qin, Kezhang, Tang, Dongmei, Tian, Ye, Cao, Mingjian, Wang, Chunlong (2015) Formation Age and Evolution Time Span of the Koktokay No. 3 Pegmatite, Altai, NW China: Evidence from U-Pb Zircon and40Ar-39Ar Muscovite Ages. Resource Geology, 65 (3) 210-231 doi:10.1111/rge.12067 | Journal (article/letter/editorial) | | 65, No. 3: 210–231 Original Article Formation Age and Evolution Time Span of the Koktokay No. 3 Pegmatite... Beijing, China 2 Abstract The Koktokay No. 3 pegmatite is the largest Li–Be–Nb–Ta–Cs pegmatitic rare-metal...mineralization peak, hydrothermal stage of the No. 3 pegmatite are in ranges of 193–198 Ma, 184–187 Ma and...3 Ma and 173.1 ± 3.9 Ma, respectively. The No. 3 pegmatite formed in the early Jurassic. The results of...of xenocrysts suggest that there is another pegmatite forming event of around 210 Ma in the mining district |  | Nie, Xiao, Wang, Zongqi, Chen, Lei, Wang, Gang, Li, Zengda (2020) Geochemical Contrasts between Late Triassic Rb-Rich and Barren Pegmatites from Ningshan Pegmatite District, South Qinling Orogen, China: Implications for Petrogenesis and Rare Metal Exploration. Minerals, 10 (7) 582 doi:10.3390/min10070582 | Journal (article/letter/editorial) | | Triassic Rb-Rich and Barren Pegmatites from Ningshan Pegmatite District, South Qinling Orogen, China: Implications...2020 Abstract: The Ningshan pegmatite district in the South Qinling Orogen hosts numerous...geochemistry; mineral geochemistry; zircon U–Pb age; pegmatite; rubidium mineralization; South Qinling Orogen...metals [1]. The classification of rare-element pegmatite into LCT (rich in Li, Cs, and Ta, in addition...post- or anorogenic setting [3,5]. As regards pegmatite genesis, two genetic models exist. The most accepted |  | Yuan, Feng, Liu, Jia-Jun, Carranza, Emmanuel John M., Zhang, Shuai, Zhai, De-Gao, Liu, Gang, Wang, Gong-Wen, Zhang, Hong-Yuan, Sha, Ya-Zhou, Yang, Shang-Song (2018) Zircon trace element and isotopic (Sr, Nd, Hf, Pb) effects of assimilation-fractional crystallization of pegmatite magma: A case study of the Guangshigou biotite pegmatites from the North Qinling Orogen, central China. Lithos, 302. 20-36 doi:10.1016/j.lithos.2017.12.022 | Journal (article/letter/editorial) | | of assimilation-fractional crystallization of pegmatite magma: A case study of the Guangshigou biotite...of assimilation-fractional crystallization of pegmatite magma: A case study of the Guangshigou biotite...of assimilation-fractional crystallization of pegmatite magma: a case study of the Guangshigou biotite...University of Campinas (Unicamp), São Paulo, Brazil e No. 224 Geological Party, Shaanxi Nuclear Industry Geological...of assimilation-fractional crystallization of pegmatite magma: a case study of the Guangshigou biotite |
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