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Metasomatism at a metapelite-ultramafic rock contact at the subduction interface: Insights into mass transfer and fluid flow at the mantle wedge corner

期刊: CONTRIBUTIONS TO MINERALOGY AND PETROLOGY, 2023; 178 (5)

Metasomatism of the subducting slab and mantle wedge influences the rheological and chemical properties of rocks at the subduction zone interface. We ......

Ascent-driven differentiation: a mechanism to keep arc magmas metaluminous?

期刊: CONTRIBUTIONS TO MINERALOGY AND PETROLOGY, 2023; 178 (8)

Arc magmatism is fundamental to the generation of new continental or island arc crust. However, the mechanisms that add to the chemical complexity of ......

Zinc isotopes reveal disparate enriched sources of contemporary lamprophyres in Eastern Dharwar Craton

期刊: CONTRIBUTIONS TO MINERALOGY AND PETROLOGY, 2023; 178 (12)

Lamprophyres are mantle-derived rocks characterized by enrichment of incompatible elements and volatiles; however, the origin of their enriched source......

Zircon-bearing metasomatized peridotite from early Paleozoic Tongbai Orogen sub-arc mantle trapped between the North China and Yangtze cratons

期刊: CONTRIBUTIONS TO MINERALOGY AND PETROLOGY, 2023; 178 (4)

The zircon-bearing Liushuzhuang Peridotite in the Tongbai Orogen provides insights into the composition and evolution of Paleozoic sub-arc lithospheri......

The evolution of diamond-forming fluids indicating a pre-kimberlitic metasomatic event in the mantle beneath the Mirny field (Siberian craton)

期刊: CONTRIBUTIONS TO MINERALOGY AND PETROLOGY, 2023; 178 (4)

A suite of coated diamonds from the International'naya (n = 63) and Mir (n = 5) kimberlite pipes (Mirny field, Siberian craton) was studied to track t......

Decoding the nanoscale porosity in serpentinites from multidimensional electron microscopy and discrete element modelling

期刊: CONTRIBUTIONS TO MINERALOGY AND PETROLOGY, 2023; 178 (11)

Serpentinites, widespread in Earth's lithosphere, exhibit inherent nanoporosity that may significantly impact their geochemical behaviour. This study ......

Deformation of Al-Cr spinel in the diffusion creep regime: mechanical results and flow laws

期刊: CONTRIBUTIONS TO MINERALOGY AND PETROLOGY, 2023; 178 (12)

The flow law for diffusion creep of chromite spinel has been determined from uniaxial compressive creep experiments at temperatures of 1400 degrees to......

Petrogenesis of Miocene to Quaternary primitive basaltic magmas in the area of Lake Van (East Anatolia, Turkey): a case for relamination of mantle lithosphere after lithospheric delamination

期刊: CONTRIBUTIONS TO MINERALOGY AND PETROLOGY, 2023; 178 (12)

We present the geochemical and Sr-Nd-Pb isotopic data and the petrological evolution of primitive basaltic lavas that erupted from the Miocene to Quat......

Volatile and trace element partitioning between apatite and alkaline melts

期刊: CONTRIBUTIONS TO MINERALOGY AND PETROLOGY, 2023; 178 (2)

Apatite readily incorporates volatile and trace elements in its structure, and thus carries a record of pre-eruptive melt-fluid chemical and physical ......

Twinning and partial melting as early weakening processes in plagioclase at high pressure: insights from Holsnoy (Scandinavian Caledonides, Norway)

期刊: CONTRIBUTIONS TO MINERALOGY AND PETROLOGY, 2023; 178 (3)

Eclogitization reactions of plagioclase-bearing rocks in water-limited environments are often incomplete. In such domains, metamorphism and strain loc......

Nanoscale features revealed by a multiscale characterisation of discordant monazite highlight mobility mechanisms of Th and Pb

期刊: CONTRIBUTIONS TO MINERALOGY AND PETROLOGY, 2023; 178 (5)

Understanding radionuclides mass transfer mechanisms in monazite (LREEPO4) and the resulting features, from the micro- to the nanoscale, is critical t......

Heterogeneous mantle beneath the Neo-Tethys Ocean revealed by ultramafic rocks from the Xiugugabu Ophiolite in the Yarlung-Tsangpo Suture Zone, southwestern Tibet

期刊: CONTRIBUTIONS TO MINERALOGY AND PETROLOGY, 2023; 178 (8)

Ultramafic rocks of the Yarlung-Tsangpo ophiolites (lherzolites, harzburgites, dunites and pyroxenites) have been interpreted as lithospheric mantle r......

Constraints on the pre-eruptive magma storage conditions and magma evolution of the 56-30 ka explosive volcanism of Ciomadul (East Carpathians, Romania)

期刊: CONTRIBUTIONS TO MINERALOGY AND PETROLOGY, 2023; 178 (12)

A detailed mineral-scale study was conducted on pumices of the latest, dominantly explosive eruption epoch (56-30 ka) of Ciomadul, the youngest, long-......

Water-in-zircon: a discriminant between S- and I-type granitoid

期刊: CONTRIBUTIONS TO MINERALOGY AND PETROLOGY, 2023; 178 (1)

Granitic rocks are crucial in revealing continental crust formation and evolution. The classic S- and I-type granitoid classification (based upon meta......

Composition of supercritical fluid in carbonate- and chlorine-bearing pelite at conditions of subduction zones

期刊: CONTRIBUTIONS TO MINERALOGY AND PETROLOGY, 2023; 178 (12)

The composition of fluid from carbonate- and chlorine-bearing pelite has been studied at 5.5 GPa, 850-1030 degrees C and at 7.8 GPa, 940-1090 degrees ......

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