| Budget Amount *help |
¥4,420,000 (Direct Cost: ¥3,400,000、Indirect Cost: ¥1,020,000)
Fiscal Year 2013: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2012: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Fiscal Year 2011: ¥2,470,000 (Direct Cost: ¥1,900,000、Indirect Cost: ¥570,000)
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| Research Abstract |
Shell of mollusks is composed mainly of the calcite and aragonite, there are cases that calcite and aragonite are mixed into the shell. In this study, abalone shells, which have a mixture structure of calcite and aragonite, are used as a material. The shell microstructures of the outer shell layer are examined by using Raman spectroscopy and oxygen stable isotope analysis. As a result, I found that calcite and aragonite are distributed in the outer shell layer as a thin layer separately, and formed at the same time.
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