Tourmaline and quartz in the igneous and metamorphic rocks of the Tashisayi granitic batholith, Altyn Tagh, northwestern China: Geochemical variability constraints on metallogenesis
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DOI: 10.1016/j.lithos.2021.106358
Abstract: Abstract This study examines five rock units related to the Tashisayi chrysoberyl-bearing granitic batholith, Altyn Tagh, NW China: biotite granite, two-mica granite, muscovite granite, granitic pegmatite, and the surrounding biotite plagiogneiss. Three types of tourmalines… read more here.
Keywords: batholith; batholith altyn; granitic batholith; pegmatite ... See more keywords
Textural and chemical characteristics of zircon, monazite, and thorite, Wadi Al-Baroud area, Eastern Desert of Egypt: Implication for rare metal pegmatite genesis
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DOI: 10.1016/j.oregeorev.2021.104225
Abstract: Abstract The Wadi Al-Baroud area is located close to the tectonic boundary between the Northern and Central Eastern Desert of Egypt. The exposed rocks include younger (post-tectonic) and older (syn-tectonic) granitoids and rare metal pegmatites… read more here.
Keywords: rare metal; metal; monazite thorite; pegmatite ... See more keywords
Fluid and Solid Inclusions in Host Minerals of Permian Pegmatites from Koralpe (Austria): Deciphering the Permian Fluid Evolution during Pegmatite Formation
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DOI: 10.3390/min11060638
Abstract: Fluid inclusions (FIs) and associated solids in host minerals garnet, tourmaline, spodumene, and quartz from six pegmatite fields of Permian origin at Koralpe (Eastern Alps) have been investigated. Although pegmatites suffered intense Eoalpine high-pressure metamorphic… read more here.
Keywords: spodumene; host minerals; pegmatite; quartz ... See more keywords
Beryllium-silicon disorder and rare earth crystal chemistry in gadolinite from the White Cloud pegmatite, Colorado, USA
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DOI: 10.3749/canmin.1900084
Abstract: Gadolinite, REE2FeBe2Si2O10, is a monoclinic orthosilicate member of the gadolinite supergroup of minerals and occurs in beryllium and rare earth element (REE) bearing granites, pegmatites, and some metamorphic rocks. Gadolinite from the White Cloud pegmatite,… read more here.
Keywords: site; gadolinite white; white cloud; pegmatite ... See more keywords