R1: Characterization and description of minerals (Joint Session with The Gemmological Society of Japan)

2:30 PM - 2:45 PM JST(5:30 AM - 5:45 AM UTC)

[R1-03] Preliminary report on ICP-MS quantitative analysis of U, Th, and Pb in mantle-derived olivine and serpentine

*Takenori Kato¹, Yukiko Kozaka³, Yoshihiro Asahara², Yui Kouketsu², Katsuyoshi Michibayashi² (1. ISEE, Nagoya Univ., 2. Nagoya Univ., 3. ISEE, Nagoya Univ, Kochi Univ.)

Keywords:

olivine,serpentine,trace element,mantle

The concentrations of U, Th and Pb in mantle-derived olivine and serpentine were determined using the solution ICP-MS-method for a preliminary evaluation of actinides in the mantle.