Results 21 to 30 of about 4,058 (252)
BSGF - Earth Sciences Bulletin, 2021 La coupole de Montebras est un petit massif de granite à métaux rares (Sn, W, Li, Nb-Ta) situé au nord du Massif Central Français qui se met en place au Carbonifère supérieur dans un encaissant plus ancien, le granite de Chanon (357,2 ± 2,1 Ma).
Marcoux Éric +3 more
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Miocene high-temperature leucogranite magmatism in the Himalayan orogen
GSA Bulletin, 2020 Himalayan leucogranites of Cenozoic age are generally attributed to partial melting of metasedimentary rocks at low temperatures of 800 °C) leucogranites are in the Himalayan orogen. The present study reports the occurrence of such leucogranites in the
Peng Gao +3 more
semanticscholar +1 more source
Field relations, petrogenesis and emplacement of the Bhagirathi leucogranite, Garhwal Himalaya [PDF]
, 1993 The Bhagirathi leucogranite forms a series of low-angle en echelon, lensoidal intrusions at the top of the High Himalayan slab in the central Himalaya of Garhwal, northern India.
Norry, MJ +7 more
core +1 more source
China Geology, 2021 : Fluid-absent and fluid-fluxed melting of muscovite in metasedimentary sources are two types of crustal anatexis to produce the Himalaya Cenozoic leucogranites.
Li-E Gao +4 more
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Petrography and geochemical study of Nezam-Abad area, Southwest of Shazand, Arak
Journal of Economic Geology, 2010 Nezam-Abad area is located in southwest of Shazand (Arak) which is a part of Sanandaj-Sirjan zone. Major intrusive rocks of Nezam-Abad are quartz diorite and minor amount of granodiorite.
Robabeh Jafari +3 more
doaj +1 more source
Frontiers in Earth Science, 2022 The North Himalayan gneiss domes provide a window for looking into the deeper crust and record abundant clues of continent collisional orogenesis. This study carried out detailed petrology, in situ LA–ICP–MS biotite Rb–Sr dating, and phase equilibrium ...
Long-Long Gou +7 more
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Age of crustal melting, emplacement and exhumation history of the Shivling leucogranite, Garhwal Himalaya [PDF]
, 1999 We report a U-Pb monazite age of 23.0 ± 0.2 Ma for the Shivling leucogranite, a tourmaline + muscovite ± biotite leucogranite at the top of the High Himalayan slab in the Garhwal Himalaya, north India.
Noble, SR +4 more
core +1 more source
Neoproterozoic magmatic evolution of the southern Ouaddaï Massif (Chad)
BSGF - Earth Sciences Bulletin, 2020 This paper presents new petrological, geochemical, isotopic (Nd) and geochronological data on magmatic rocks from the poorly known southern Ouaddaï massif, located at the southern edge of the so-called Saharan metacraton. This area is made of greenschist
Djerossem Félix +5 more
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Руды и металлы, 2022 The structural position, petrographic composition, petro- and geochemical features of amphibole-biotite, biotite and amblygonite-lepidolite granitoid of the study area are characterized.
Larisa G. Vdovina
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The syn-collisional Danaciobasi biotite leucogranite derived from the crustal thickening in central Anatolia (Kirikkale), Turkey [PDF]
, 2005 The Behrekdag composite batholith, which crops out as a huge N-S-trending plutonic body in central Anatolia, Turkey, consists of five mappable granitoid units of Late Cretaceous age. They are (1) the S-type, peraluminous Danaciobasi biotite leucogranite,
Boztug, D, Tatar, S
core +1 more source