Results 161 to 170 of about 3,074 (215)
Dunite Distribution in the Oman Ophiolite: Implications for Melt Flux Through Porous Dunite Conduits [PDF]
Geochemistry, Geophysics, Geosystems, 2002 Dunites in the mantle section of the Oman ophiolite represent conduits for chemically isolated melt transport through the shallow mantle beneath oceanic spreading centers. These dunite melt conduits exhibit a scale‐invariant power law relationship between width and cumulative abundance, as measured over 4 orders of magnitude. We use this size/frequency
Peter B. Kelemen, Michael G Braun
exaly +2 more sources
Journal of Geophysical Research: Solid Earth, 2021 International audienceDunites in ophiolites form by pyroxene dissolution and olivine precipitation during melt-peridotite interaction. We present structural and geochemical data on peridotites from the Batin region (Wadi Tayin massif) of the Oman ...
Laurie Reisberg, Delphine Klaessens
exaly +2 more sources
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Proceedings of the 20th ACM international conference on Multimedia, 2012
The New Dunites is an interdisciplinary media arts research project that investigates the archeological site where the set for Cecile B. DeMille's The Ten Commandments was buried in 1923 [1]. In particular, this multi-phase endeavor involved the gathering of geophysical and archeological data, the historical study of the dawn of cinema in California ...
Andrés E. Burbano Valdes +3 more
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The New Dunites is an interdisciplinary media arts research project that investigates the archeological site where the set for Cecile B. DeMille's The Ten Commandments was buried in 1923 [1]. In particular, this multi-phase endeavor involved the gathering of geophysical and archeological data, the historical study of the dawn of cinema in California ...
Andrés E. Burbano Valdes +3 more
openaire +2 more sources
Journal of Petrology, 2009 A 50 m thick and 150 m long dunite body occurs as a subconcordant, tabular structure in the Balmuccia Massif, an Alpine peridotite thought to represent part of the subcontinental mantle.
Alberto Zanetti +2 more
exaly +2 more sources
Weakening of Dunite by Serpentine Dehydration
Science, 1966A shear press has been used to determine the mechanical behavior of serpentinized dunite and forsterite at normal pressures to 50 kilobars, temperatures to 900° C; and strain rates from 10 -1 to 10 -4 per second.
R E, Riecker, T P, Rooney
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Dunite carbonation in batch-tubular reactor
Environmental Science and Pollution Research, 2020For geological carbon sequestration, the reaction of aqueous CO2 with silicate rock permits carbonate formation, achieving permanent carbon sequestration. The fractures available in silicate rock provide significant surface area for the precipitation of carbonates.
Amit Kumar Agrawal, Anurag Mehra
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Refractories and Industrial Ceramics, 2002
Results of a study of chromite dunites with different concentrations of chromite — from 10 to 20% Cr2O3 — are reported. Thermomechanical properties of control specimens are determined. Chromite dunites require precalcination for their use in the manufacture of forsterite-chromite components for thermal power units of ferrous and, especially, nonferrous
L. B. Khoroshavin +3 more
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Results of a study of chromite dunites with different concentrations of chromite — from 10 to 20% Cr2O3 — are reported. Thermomechanical properties of control specimens are determined. Chromite dunites require precalcination for their use in the manufacture of forsterite-chromite components for thermal power units of ferrous and, especially, nonferrous
L. B. Khoroshavin +3 more
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The experimental deformation of dunite
Tectonophysics, 1981Deformation experiments have been carried out on two dunites (Anita Bay, of 100 μm grain size, and Aheim, of 900 μm grain size) at strain rates from 10−3 to 10−6 s−1 and temperatures from 1000°C to 1300°C in a gas-medium deformation apparatus at 300 MPa confining pressure.
P.N. Chopra, M.S. Paterson
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The Influence of Weathering on the Engineering Properties of Dunites
Rock Mechanics and Rock Engineering, 2011Weathering processes cause important changes in the engineering properties of rocks. In this study, dunites in the Bursa region in western Turkey were investigated and the changes in engineering properties due to weathering were evaluated. The studies were initiated with field observations including measurement of the characteristics of discontinuities
Ündül, Ömer, T?grul, A.
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The role of water in the deformation of dunite
Journal of Geophysical Research: Solid Earth, 1984Specimens of two natural dunites (Anita Bay, of 100 μm grain size, and Åheirn, of 900 μm grain size) have been deformed in experiments at temperatures between 1200° and 1400°C and constant strain rates between 10−4 and 10−6 s−1 in a gas‐medium deformation apparatus at 300 MPa confining pressure.
P. N. Chopra, M. S. Paterson
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