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    Contrasting tourmaline types from peraluminous granites: a case study from Moslavačka Gora (Croatia)
    Mineralogy and Petrology (2011)
    Dražen BalenZorica Petrinec
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    42
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    Keywords:
    Tourmaline
    Leucogranite
    Nodule (geology)
    Topics:
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    Elemental and boron isotopic variations in tourmaline in two-mica granite from the Cuona area, Tibet: Insights into the evolution of leucogranitic melt
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    Guozhi XieHaibo YanGuangming LiJia GuoFang Liu
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    Chemical and boron isotopic compositions of tourmaline from the Nyalam leucogranites, South Tibetan Himalaya: Implication for their formation from B-rich melt to hydrothermal fluids
    Chemical Geology (2015)
    Shui‐Yuan YangShao‐Yong JiangMartin R. Palmer
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    Pegmatite
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    Petrogenesis of deformed tourmaline leucogranite in the Gurla Mandhata metamorphic core complex, Southwestern Tibet
    Lithos (2020)
    Lining ChengChao ZhangXiao‐Song Yang
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    Geochemical constraints on the bimodal origin of High Himalayan leucogranites
    Lithos (1995)
    Stéphane GuillotP. Le Fort
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    Significant boron isotopic fractionation in the magmatic evolution of Himalayan leucogranite recorded in multiple generations of tourmaline
    Chemical Geology (2021)
    Lining ChengChao ZhangXiao‐Chi LiuXiao‐Song YangYongsheng Zhou
    Tourmaline
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    Igneous differentiation
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    Geochemical and Boron Isotopic Evidence that Tourmaline Records Country Rock Assimilation of Leucogranites in the Himalayan Orogen
    Acta Geologica Sinica - English Edition (2021)
    Guyue HuLi‐E GaoLingsen ZengYike Li
    Abstract Tourmaline geochemical and boron (B) isotopic compositions in two‐mica granites (TMG), tourmaline‐bearing leucogranites (Tou‐LG), tourmalites and metapelites from the Gyirong–Malashan areas of the Himalayan orogen provide evidence for country rock assimilation during the intrusion of Himalayan leucogranite. The schorls in Gyirong leucogranitic plutons show low contents of MgO (0.238%–1.160%) and δ 11 B values (–12.1‰ – –11.2‰), while dravites gathered in the contact zone between the leucogranitic veins and metapelites show high contents of MgO (4.815%–6.755%) and δ 11 B values (–10.7‰ – –9.3‰). This geochemical and isotopic variation of tourmalines can also be identified in the Malashan gneiss dome. As a result, three types of tourmaline were identified in the Himalayan orogen: (1) Tou‐I in the TMG and Tou‐LG, which is the most common tourmaline type of schorl; (2) Tou‐II (dravite and high‐Mg schorl) in the Tou‐LG and tourmalite at the margins of the leucogranite; and (3) Tou‐III (mainly dravite, with minor high‐Mg schorl) in metapelites of the High Himalayan Crystalline Sequence. The lenses and veins of Tou‐LG may have experienced metasomatism and assimilation as a result of interaction with the High Himalayan Crystalline Sequence metasedimentary country rocks, which can be traced by the geochemical and isotopic characteristics of the tourmaline therein.
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    Geochemistry and formation of tourmaline nodules in Mashhad leucogranite, Iran
    Geosciences Journal (2017)
    Zahra TahmasbiFarhad ZalAhmad Ahmadi Khalaji
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    The diversity of B-isotope variations in tourmaline from rare-element pegmatites in the Borborema Province of Brazil
    Chemical Geology (2013)
    Robert B. TrumbullHartmut BeurlenMichael WiedenbeckDwight Rodrigues Soares
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    Metasomatic origin of the Himalayan banded tourmaline leucogranite
    Contributions to Mineralogy and Petrology (2023)
    Brendan DyckKyle P. Larson
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    Chemical and boron isotopic composition of tourmaline from the Conadong leucogranite-pegmatite system in South Tibet
    Lithos (2019)
    Qing ZhouWenchang LiGuochang WangZheng LiuYang Lai
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