Browsing by Author "Tachibana S."
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Browsing by Author "Tachibana S."
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Tsuchiyama A.; Tachibana S.; Takahashi T. (1999)Evaporation rates of forsterite in the primordial solar nebula were modeled. There are 3 evaporation regimes expected: 1. free evaporation-dominated (FED) regime, where forsterite evaporates as free evaporation, 2. hydrogen ...
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Tachibana S.; Tsuchiyama A.; Nagahara H. (2002)Variations in bulk Mg/Si ratios in the various groups of chondritic meteorites indicate that Mg/Si fractionation occurred in the primitive solar nebula. Enstatite (MgSiO3) evaporates incongruently forming forsterite (Mg2SiO4) ...
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Tachibana S.; Tsuchiyama A. (1998)Incongruent evaporation experiments on troilite (FeS) were carried out under H2-rich conditions at total pressure 1.0-10-6 atm (800-970°C) to elucidate the kinetics of incongruent evaporation of troilite in the primordial ...
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Tachibana S.; Tsuchiyama A. (1998)Incongruent evaporation experiments on troilite (FeS) were carried out under H2-rich conditions at total pressure 1.0-10-6 atm (800-970°C) to elucidate the kinetics of incongruent evaporation of troilite in the primordial ...
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SULFUR ISOTOPE COMPOSITION OF PUTATIVE PRIMARY TROILITE IN CHONDRULES FROM BISHUNPUR AND SEMARKONA Tachibana S.; Huss G.R. (2005)The sulfur isotopic compositions of putative primary troilite grains within 15 ferromagnesian chondrules (10 FeO-poor and 5 FeO-rich chondrules) in the least metamorphosed ordinary chondrites, Bishunpur and Semarkona, have ...
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Mostefaoui S.; Kita N.T.; Togashi S.; Tachibana S.; Nagahara H.; Morishita Y. (2002)We performed a systematic high-precision secondary ion mass spectrometry 26Al-26Mg isotopic study for 11 ferromagnesian chondrules from the highly unequilibrated ordinary chondrite Bishunpur (LL3.1). The chondrules are ...
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