| Budget Amount *help |
¥3,640,000 (Direct Cost: ¥2,800,000、Indirect Cost: ¥840,000)
Fiscal Year 2013: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2012: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2011: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
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| Outline of Final Research Achievements |
Using the isotope imaging technique of sulfur by a secondary ion mass spectrometer, sulfur isotope analyses of organic matter extracted from a primitive meteorite was performed. In the studied sample, large oxygen non-mass-dependent isotope anomalies were previously reported in its organic matter. In the organic matter sample extracted from the carbonaceous chondrite, two micron-sized sulfur-isotope hotspots with 33S/32S and 34S/32S anomalies up to 3.4% and 4.4%, respectively, were observed. This result suggests presence of a large non-mass-dependent sulfur isotope fractionation in meteoritic organic matter.
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