| Budget Amount *help |
¥4,550,000 (Direct Cost: ¥3,500,000、Indirect Cost: ¥1,050,000)
Fiscal Year 2017: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2016: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2015: ¥2,210,000 (Direct Cost: ¥1,700,000、Indirect Cost: ¥510,000)
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| Outline of Final Research Achievements |
I found zirconolite from Sor-Rondane Mountains, Antarctica. This zirconolite intimately occurs with baddeleyite and corundum. Cathode-luminescence (CL) image is important to study for such minerals. I made an original CL port for such mineral. Now the CL detector and EDS detector can use at the same time.
The ideal chemical formula of zirconolite is CaZrTi2O7. However, this zirconolite contains significant Y, REE, U, and Th. Combination of cation exchange of plural sites has been revealed for such chemical composition. These are mainly "Ca-REE" exchange and "Ti-(Fe, Mg)" exchange. CHIME-age of the zirconolite was 528Ma. Zirconolite can use as a chronometer.
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