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Mantle geothermometry: experimental evaluation and recalibration of Fe–Mg geothermometers for garnet-clinopyroxene and garnet-orthopyroxene in peridotite, pyroxenite and eclogite systems
The reliability of eight Fe–Mg exchange geothermobarometers for garnet-bearing peridotites, pyroxenites and eclogites has been examined using a...
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Destruction of the lower crust beneath the North China Craton recorded by granulite and pyroxenite xenoliths
The lower crust beneath the North China Craton (NCC) was transformed during the craton destruction in the Mesozoic, however, the transformation...
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Pyroxenite–harzburgite sequences in the Dazhuqu ophiolite (Southern Tibet) formed through hydrous melt infiltration and melt–peridotite reaction
Pyroxenite veins are commonly observed in the mantle section of ophiolites, reflecting a variety of melts that percolate through the mantle, react,...
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Metasomatized Xenoliths of Mantle Eclogites and Garnet Pyroxenites from the V. Grib Kimberlite, Arkhangelsk Province
We investigated mantle eclogite and garnet pyroxenite xenoliths from the V. Grib kimberlite located in the Arkhangelsk diamond province. The...
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Zirconium/hafnium fractionation and rare earth element systematics in sub-cratonic garnet pyroxenites, Norway
Ten previously studied garnet pyroxenites and one eclogite from orogenic peridotites in the Western Gneiss Region of Norway were analysed for...
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Destruction of Archean lower crust recorded in granulite and pyroxenite xenoliths of Mesozoic basalts from Western Liaoning, North China Craton
Lower crustal processes played a key role during the destruction of the North China Craton. Petrological and geochemical analyses were performed on...
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Evidence for suboceanic small-scale convection from a “garnet”-bearing lherzolite xenolith from Aitutaki Island, Cook Islands
Garnet peridotite xenoliths have been rarely reported from suboceanic mantle. Petrographic and geochemical characteristics of garnet-bearing oceanic...
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High-grade metamorphism of banded iron formations: the role of saline fluids in promoting the growth of pyroxene and garnet reaction textures along magnetite-quartz grain boundaries
Metamorphosed banded iron formation (BIF) in granulite-amphibolite facies, tonalitic orthogneisses from a series of locations in the Kolli Massif of...
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Metamorphic Evolution of Garnet Amphibolite from the Yaganbuyang Area in the South Altyn Orogen, West China: Insights from Phase Equilibria Modeling and Geochronology
Garnet amphibolite is one of the common metabasic rocks exposed in collisional orogenic belt, the metamorphic evolution of which is associated...
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The strongly peraluminous, garnet-bearing norite–quartz jotunite–charnockite suite: products of crystal accumulation in the felsic magma reservoir
Fractionation of felsic magma has been critical for the formation of high-silica rhyolites, chemical differentiation of the continental crust, and...
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Peritectic orthopyroxene entrainment during partial melting of garnet peridotite produced the Bushveld Complex chromite deposits
One of the largest chromium deposits on Earth occurs in the Rustenburg Layered Suite (RLS) of the Bushveld Complex as laterally continuous chromitite...
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New insights into the ultrapotassic magmatism through xenoliths from the Eğirdir area, West Anatolia, Turkey
Plutonic xenoliths have been found within a pipe and a related phreatomagmatic leucitite deposit in the Eğirdir lake area, belonging to the...
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Composition, Structure, and Thermal Regime of the Lithospheric Mantle in the Area of the Highly Diamondiferous V. Grib Kimberlite Pipe, Arkhangelsk Diamondiferous Province: Data on the Chemical Composition of Garnet and Chrome-Diopside Xenocrysts
AbstractThe contents of the main elements (including Ni) are presented for 1100 garnet and 831 clinopyroxene grains extracted from kimberlite of a...
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PL57 garnet as a new natural reference material for in situ U–Pb isotope analysis and its perspective for geological applications
Garnet is a common U-bearing mineral in various magmatic and metamorphic rocks with a high U–Pb closure temperature (> 850 °C), rendering it a...
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Role of Pyroxenite Mantle in the Formation of the Mesozoic Karoo Plume Melts: Evidence from the Western Queen Maud Land, East Antarctica
Petrological and geochemical study of basalts and dolerites in East Antarctica, the formation of which is explained by the Karoo plume impact on the...
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Peritectic Reaction of Olivine in the Olivine–Jadeite–Diopside–Garnet–(C–O–H) System at 6 GPa as the Key Mechanism of the Magmatic Evolution in the Upper Mantle
Abstract—The melting relations in the olivine–jadeite–diopside–garnet–(С–О–H fluid) system, including metasomatic СО 2 carbonatization of silicates...
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Experimental constraints on the nature of multiphase solid inclusions and their bearing on mantle wedge metasomatism, Bohemian Massif
This study tests experimentally the hypothesis that calculated bulk compositions of multiphase solid inclusions present in minerals of ultrahigh...
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Metasomatic Origin of Lamellar-like Inclusions in Clinopyroxenes from Mantle Xenoliths of the Obnazhennaya Pipe (Kuoika Field, Yakutian Diamondiferous Province)
AbstractThe article reports new data on previously undescribed lamellar-like (linearly oriented) structures in clinopyroxenes from mantle xenoliths...
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Mantle source lithologies for the Columbia River flood basalt province
The Columbia River flood basalts in the northwestern United States are recognized as part of the greater Yellowstone hotspot province, the products...
