 | Groat, L. A., Mulja, T., Mauthner, M. H.F., Ercit, T. S., Raudsepp, M., Gault, R. A., Rollo, H. A. (2003) GEOLOGY AND MINERALOGY OF THE LITTLE NAHANNI RARE-ELEMENT GRANITIC PEGMATITES, NORTHWEST TERRITORIES. The Canadian Mineralogist, 41 (1) 139-160 doi:10.2113/gscanmin.41.1.139 | Journal (article/letter/editorial) | | MINERALOGY OF THE LITTLE NAHANNI RARE-ELEMENT GRANITIC PEGMATITES, NORTHWEST TERRITORIES LEE A. GROAT§ Department...Columbia, Vancouver, British Columbia V6T 1Z4, Canada THOMAS MULJA¶ 3709 Rutherford Crescent, North...North Vancouver, British Columbia V7N 2C6, Canada MARK H.F. MAUTHNER‡ Department of Earth and Ocean Sciences...Columbia, Vancouver, British Columbia V6T 1Z4, Canada T. SCOTT ERCIT Research Division, Canadian Museum... Box 3443, Station D, Ottawa, Ontario K1A 0E8, Canada MATI RAUDSEPP Department of Earth and Ocean Sciences |  | | Journal (article/letter/editorial) | | element-bearing pegmatites from the Little Nahanni Pegmatite Group, NWT, Canada Elspeth M. Barnes a,⁎, Dominique... 6339 Stores Road,Vancouver, British Columbia, Canada, V6T 1Z4 University of British Columbia, 6339 Stores...Stores Road,Vancouver, British Columbia, Canada, V6T 1Z4 a r t i c l e i n f o Article history: Received...online 1 December 2011 Keywords: Pegmatite Little Nahanni Pegmatite Group Lithium Li isotopes Magmatic fractionation...c t Lithium isotope signatures of whole rock pegmatite samples and mineral separates from the rare elementbearing |  | Roda-Robles, Encarnación, Pesquera-Pérez, Alfonso, Simmons, William B., Gil-Crespo, Pedro Pablo, Falster, Alexander U. (2019) Evidence for internal fractionation from Li isotopes in tourmaline and mica in the Berry-Havey rare-element pegmatite (Maine, USA) The Canadian Mineralogist, 57 (5) 779-782 doi:10.3749/canmin.ab00020 | Journal (article/letter/editorial) | | TOURMALINE AND MICA IN THE BERRY-HAVEY RARE-ELEMENT PEGMATITE (MAINE, USA) ENCARNACIÓN RODA-ROBLES§ AND ALFONSO...tourmaline, mica, fractionation, Berry-Havey pegmatite. INTRODUCTION Lithium, the lightest alkali metal...al. 2016). Crystallization of H2O-rich granite-pegmatite systems at relatively low temperature has been...BerryHavey pegmatite (Maine, USA) is an excellent example of a zoned, highly evolved pegmatite, with continuous...of Li-bearing phases in the core zone of the pegmatite, where metersized lepidolite þ albite pods, hosting |  | | Journal (article/letter/editorial) | | Isotopic compositions in the Monts d’Ambazac Pegmatite Field (French Massif Central) RI P T exhibit...with the degree of magmatic evolution of each pegmatite type: from 630 ppm in Type II up to 13,500 ppm...ppm in the more evolved NU Type VI pegmatite. Although the rare-element contents e.g., Li, Cs, Ta of...of the micas are MA consistent with pegmatite differentiation, 7Li (‰) are firstly, independent of the...degree of magmatic differentiation (independent of pegmatite type) and secondly, independent ED of the content |  | Li, Jie, Huang, Xiao-Long, Wei, Gang-Jian, Liu, Ying, Ma, Jin-Long, Han, Li, He, Peng-Li (2018) Lithium isotope fractionation during magmatic differentiation and hydrothermal processes in rare-metal granites. Geochimica et Cosmochimica Acta, 240. 64-79 doi:10.1016/j.gca.2018.08.021 | Journal (article/letter/editorial) | | rare-metal granites that contain niobium-tantalum and tungsten deposits, respectively. As a moderately incompatible...mineralization in the rare-metal granitic rocks. Tungsten mineralization is likely associated with an open...phases of pegmatites (Magna et al., 2016). In a pegmatite, the late solidus to early subsolidus phases (e...of the Yashan Ta-Nb granite and the Xihuashan tungsten granite, with the aim to show the essence of the...traditionally divided into the Yangtze Block in the northwest and the Cathaysia Block in the southeast with |  | | Journal (article/letter/editorial) | | compositional gap between the host granite and the pegmatite. Lithium isotopic composition of muscovites and...zone of the internally zoned pegmatite and from the granite to the pegmatite for the un-zoned pegmatites...operating in tandem with vapour exsolution. Keywords Pegmatite · Rayleigh fractionation · Li isotope · Boron...refers to the appearance of chemically different pegmatite bodies with increasing distance from the granitic...(1982) and Černý (1991b) suggested that zoned pegmatite fields formed by continuous or episodic melt extraction |  | | Journal (article/letter/editorial) | | isotopic constraints on the origin of Li-poor pegmatite with implications for Li mineralization Bin Chen...isotopic constraints on the origin of Li-poor pegmatite with implications for Li mineralization, Chemical...isotopic constraints on the origin of Li-poor pegmatite with implications for Li mineralization Bin Chen*...alternative model to interpret the genesis of pegmatite and factors controlling Li mineralization based...Li-poor pegmatites (barren) from the Qinghe of pegmatite field of the Altai orogen (NW China). The Qinghe |  | Liu, Shanqi, Li, Yongbing, Liu, Jie, Ju, Yiwen, Liu, Jianming, Yang, Zhiming, Shi, Yaolin (2018) Equilibrium lithium isotope fractionation in Li-bearing minerals. Geochimica et Cosmochimica Acta, 235. 360-375 doi:10.1016/j.gca.2018.05.029 | Journal (article/letter/editorial) | | Na-zeolite, illite, quartz, muscovite, spodumene, Li-staurolite, Li-mica, lizardite, chrysotile, antigorite,...(2011) studied Li isotope fractionation between staurolite, spodumene, mica and aqueous solutions under...fluid-rock interaction which is related to granitic pegmatite formation (Liu et al., 2010; Teng et al., 2006a)...formed at the same crystallization stage in a pegmatite body, if the range of δ7Li variations is much...variations, Li isotope fractionation in this pegmatite body does not reach isotopic equilibrium. It can |  | | Journal (article/letter/editorial) | | The complexity of this orogen, with domains of little or no Variscan metamorphism and neighboring belts...nappes in the Erzgebirge–Vogtland. (ii) The second group, the most important by volume, comprises granites...emplacement of these nappes. (iii) The youngest group (c. 305–275 Ma; e.g., Nasdala et al., 1998b; Schäfer...but show contrasting Variscan overprint, i.e., little or no deformation in the Autochthonous Domain and...rocks of type (v) (e.g., Gottesberg) belong to the group of <305 Ma magmatism, i.e., to the post-Variscan |  | Xiang, Lu, Romer, Rolf L., Glodny, Johannes, Trumbull, Robert B., Wang, Rucheng (2020) Li and B isotopic fractionation at the magmatic-hydrothermal transition of highly evolved granites. Lithos, 376. 105753pp. doi:10.1016/j.lithos.2020.105753 | Journal (article/letter/editorial) | | rock, magmatic and hydrothermal tourmalines show little variation in δ11B (−12.5 to −8.2‰), a signature...granitic pegmatite, δ11B of tourmaline decreases by ~6‰ from outer to inner zones of the pegmatite and from...overlain by sandy-pelitic rocks of the Danzhou Group (maximum depositional age ~ 800–750 Ma, Wang et...its host-rocks (i.e., the schists of the Sibao Group), respectively. There are three textural types of...metamorphosed sandy-argillaceous rocks of the Sibao Group (maximum depositional age ~ 870–830 Ma, Wang et |  | | Journal (article/letter/editorial) | | juvenile and specific components in the Habahe Group, which indicates the dependency of mineralization...mineralization on source from the heterogeneous Habahe Group metasedimentary The pegmatites also show decoupling...likely generated by anatexis of the lP Habahe Group metasedimentary rocks under an extensional setting...Keywords Jo ur Anatexis, rare metal, rare earth, pegmatite, Chinese Altai 1. Introduction Granitic pegmatites...et al., 2012a; London, 2018). In some cases, a pegmatite can be linked to its parental granite according |  | Dittrich, Thomas, Seifert, Thomas, Schulz, Bernhard, Hagemann, Steffen, Gerdes, Axel, Pfänder, Jörg (2019) Archean Rare-Metal Pegmatites in Zimbabwe and Western Australia - Geology and Metallogeny of Pollucite Mineralisations. Springer International Publishing. doi:10.1007/978-3-030-10943-1 | Book | | focused on a single mineral deposit or a limited group of deposits (sub-regional level), with regard to...limited. Cs resources can be categorised into one group of potassium salts, sedimentary rocks and seawater...resource group of commercial importance is LCT pegmatites that contain the rare zeolite group cesium mineral...LCT pegmatite deposits at Bikita in the Zimbabwe Craton and Tanco in the Superior Craton in Canada, where...occurs in monomineralic mineralisation. Both pegmatite deposits have a comparable regional geological |
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