Trace-element compositions of olivine from 75 mantle rocks of diverse origin, including xenoliths from kimberlites, basaltic lavas and orogenic peridotites, were determined by laser ablation ICP-MS to study systematic variations between mantle…
Mineralogy
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1,884 papers
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When an extrasolar planet passes in front of (transits) its star, its radius can be measured from the decrease in starlight and its orbital period from the time between transits. Multiple planets transiting the same star reveal much more: period…
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We present an extensive study of the pressure-induced bcc to hcp martensitic transformation in iron, using a spin-polarized full-potential total energy technique. The calculated pressure where the phases have equal enthalpies, 10.3 GPa, agrees well…
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Scheuchzerite, is a new mineral from the metamorphosed syn-sedimentary exhalative Mn deposit of Fianel, Val Ferrera, Central Alps, Switzerland. It is dedicated to the Swiss naturalist Johann Jakob Scheuchzer (1672-1733). Scheuchzerite is associated…
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The quartz-bearing syenite (nordmarkite) and the riebeckitic-arfvedsonite granite (ekerite) members of the Oslo Series subvolcanic comagmatic suite exhibit both inter- and intra-member differentiation relationships. The differentiation seems to…
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This study describes major and trace element compositions of accessory and rock forming minerals from three Uralian-Alaskan-type complexes in the Ural Mountains (Kytlym, Svetley Bor, Nizhnii Tagil) for the purpose of constraining the origin,…
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A new technique that allows extraction of liquids from peridotite at degrees of melting f as low as 0.2&160;wt% is presented. Microfractures that formed in the graphite sample container at the beginning of the experiments were used as traps for the…
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The huge amount of data acquired by Mars Global Surveyor during its mapping period provides a unique opportunity to reassess the paleomagnetic pole positions of Mars previously determined on the basis of the limited low-altitude magnetic data. We…
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Associate ProfessorAdelaide, Australia -
Researcher (at an Academic Institution)Turin, Italy
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Other ProfessionalUniversità degli Studi di Firenze - University of Florence -
Ph.D. StudentTurin, Italy
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Student (Master)Ghent University, Belgium