Browsing by Author "Vannucci R."
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Browsing by Author "Vannucci R."
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Bottazzi P.; Tiepolo M.; Vannucci R.; Zanetti A.; Brumm R.; Foley S.F.; Oberti R. (1999)New experimental amphibole/melt partition coefficients from a variety of geologically relevant amphibole (pargasite, kaersutite, and K-richterite) and melt compositions obtained under conditions of interest to upper-mantle ...
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Fiorentini G.; Mantovani F.; Lissia M.; Vannucci R. (2005)In preparation to the experimental results which will be available in the future, we study geo-neutrino production for different models of mantle convection and composition. By using global mass balance for the Bulk Silicate ...
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Scambelluri M.; Bottazzi P.; Trommsdorff V.; Vannucci R.; Hermann J.; Gomez-Pugnaire M.T.; Lopez-Sanchez Vizcano V. (2001)We present first trace element analyses of the fluid produced during breakdown of antigorite serpentine, a major dehydration reaction occurring at depth within subducting oceanic plates. Microinclusions filled with crystals+ ...
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Zanetti A.; Vannucci R.; Bottazzi P.; Oberti R.; Ottolini L. (1996)Systematic investigations (electron- and ion-microprobe, and X-ray structure-refinement) of pyroxenes and amphiboles close to a cm-wide hornblendite vein have been carried out on a composite peridotite sample from the Lherz ...
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Spadea P.; Zanetti A.; Vannucci R. (2004)Ophiolites of the southern Uralides arc-continent collisional orogen include fertile mantle lherzolites and minor harzburgites in the Nurali and Mindyak massifs located along the Main Uralian Fault suture of the East ...
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Tiepolo M.; Vannucci R.; Oberti R.; Bottazzi P.; Zanetti A.; Foley S. (2000)New partition coefficients between liquid and pargasitic/kaersutitic amphiboles (Amph/LDNb,Ta) experimentally determined for Nb and Ta at upper-mantle conditions, combined with single-crystal structure refinement of the ...
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Rivalenti G.; Vannucci R.; Rampone E.; Mazzucchelli M.; Piccardo G.B.; Piccirillo E.M.; Bottazzi P.; Ottolini L. (1996)Comparison of 360 trace element analyses of clinopyroxenes from peridotites indicates that clinopyroxene composition cannot discriminate between suboceanic and subcontinental mantle. Clinopyroxenes from abyssal and fore-arc ...
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Schmidt K.H.; Bottazzi P.; Vannucci R.; Mengel K. (1999)Partition coefficients for Rb, Sr, Sm, Nd, U, Th, Pb, La, Ce, Ba, Nb, and Li between phlogopite, clinopyroxene and melt were determined in order to characterize the effect of metasomatically grown minerals on the isotopic ...
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Tiepolo M.; Oberti R.; Vannucci R. (2002)Titanite/liquid partition coefficients for most of the trace elements relevant in petrogenetic studies are provided for titanite-saturated liquids equilibrated at 1.5 GPa and 850 °C starting from lamproitic compositions. ...
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Zanetti A.; Tiepolo M.; Oberti R.; Vannucci R. (2004)Olivine/liquid partition coefficients for most trace elements relevant in petrogenetic studies are provided for a hydrous basanite melt equilibrated at 1.4 GPa and 1055 °C. The partitioning results determined by a combination ...
Now showing items 1-10 of 10