The Himalayan-Tibetan orogen experienced extensive thermal disturbance during the Indian-Asian collision, yet evidence for ultrahigh-temperature metamorphism (UHTM, >900 …
WhatsApp: +86 18221755073It indicates that much of the HP history of the felsic and mafic rock types was shared and took place under eclogite-facies conditions. Three important metamorphic processes leading to …
WhatsApp: +86 18221755073Ultra-high temperature (UHT) felsic granulite is identified in the Eastern Hebei. The orthopyroxene shows metamorphic origin and derives from dehydration reaction of biotite. …
WhatsApp: +86 18221755073felsic and mafic melt-mixing in granulite orthogneiss. Bands off-set by small faults. Mount Boothby, Reynolds Range. Next to Stuart Highway. N.T. 5.00-22.57545800000: 133.30218300000: 703.812: orthogneiss, metamorphic, …
WhatsApp: +86 18221755073The common metamorphic facies. The boundaries between the facies are depicted as wide bands because they are gradational and approximate. P-P = Prehnite-Pumpellyite facies.
WhatsApp: +86 18221755073Here we performed a series of deformation experiments on synthetic felsic granulite (65% plagioclase + 15% quartz + 9% clinopyroxene + 6% orthopyroxene + 5% …
WhatsApp: +86 18221755073The rocks with >30% mafic minerals (dominantly pyroxene) may be called mafic granulites, those with 30% mafic minerals (dominantly pyroxene) may be called felsic granulites. Granulite may exhibit a crude gneissic structure due to the …
WhatsApp: +86 18221755073Garnet-bearing mafic and felsic granulites associated with magnetite deposits that have undergone high-pressure (HP) and ultrahigh-temperature (UHT) metamorphism occur in …
WhatsApp: +86 18221755073In order to quantify this issue, a combined study of whole-rock and mineral trace elements and mineral modal proportions was conducted for high-temperature (HT) to ultrahigh …
WhatsApp: +86 18221755073experiments on synthetic felsic granulite (65% plagioclase + 15% quartz + 9% clinopyroxene + 6% orthopyroxene + 5% amphibole) using a 5 GPa modified Griggs- type deformation …
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