Results 161 to 170 of about 4,058 (252)
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Metasomatic origin of the Himalayan banded tourmaline leucogranite

Contributions To Mineralogy and Petrology, 2023
Kyle Larson, Brendan Dyck
exaly   +3 more sources

Magma contamination in Himalayan leucogranite by metapelite host rocks: insights from chemical and boron isotopic compositions of tourmaline [PDF]

open access: yesSoviet Economy, 2022
Contamination is a common scenario of intracrustal magmatic processes that may significantly change the compositions of involved anatectic melts. Here, we present major element and B isotope analyses on tourmalines from the Guowu leucogranite and their ...
Lining Cheng, C. Zhang
semanticscholar   +2 more sources

Chemical and boron isotopic composition of tourmaline from the Conadong leucogranite-pegmatite system in South Tibet

Lithos, 2019
Tourmalines occur widely within leucogranites and pegmatites that intrude the leucogranites in the south Tibetan plateau. Morphological and geochemical (elemental and boron-isotopic) studies on these tourmalines are very limited.
, Qichao Zhang
exaly   +2 more sources

Is Himalayan leucogranite a product by in situ partial melting of the Greater Himalayan Crystalline? A comparative study of leucosome and leucogranite from Nyalam, southern Tibet

Lithos, 2019
Widespread leucogranites in the Himalayan orogenic belt are thought to have originated by in situ partial melting of the Greater Himalayan Crystalline (GHC) when it underwent high-grade metamorphism during Cenozoic orogenesis.
Jia-Min Wang, Xiao-Chi Liu, Fuyuan Wu
exaly   +2 more sources

Garnet-bearing low-Sr and high-Sr Singelele leucogranite: A record of Neoarchean episodic melting in collisional setting and Paleoproterozoic overprint in the Beit Bridge complex, southern Africa

Lithos, 2018
The study presents field, petrographic, mineral chemical, bulk-rock geochemical, U–Pb zircon and 40Ar/39Ar amphibole-biotite geochronologic characteristics of the Singelele leucogranite, which constitutes a prominent Neoarchean magmatic event in the Beit
Clarisa Vorster   +2 more
exaly   +2 more sources

Tectonic activity along the inner margin of the South Tibetan Detachment constrained by syntectonic leucogranite emplacement in Western Bhutan [PDF]

open access: yes, 2017
In Western Bhutan Himalayas leucogranite dykes emplaced in sub-vertical hybrid fractures that cut across the high-grade rocks of the upper Greater Himalayan Sequence just below to the South Tibetan Detachment.
C. Montomoli   +4 more
semanticscholar   +6 more sources

Continuous Be mineralization from two-mica granite to pegmatite: Critical element enrichment processes in a Himalayan leucogranite pluton

American Mineralogist, 2022
Beryllium is a critical metal typically concentrated in highly fractionated granitic rocks such as the leucogranites in the Himalaya. Here, we report beryl mineralization that was continuous from the earlier and less-evolved two-mica granite to the ...
Chen Liu   +5 more
semanticscholar   +1 more source

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