[3K10-15] Uranium Mine

[3K13] Fixation of radium in weathered granite

*Yuichi Kuribara¹, Akiko Yamaguchi², Shogo Higaki², Yoshiyuki Ohara¹, Yoshio Takahashi² (1. Ningyo-toge Environmental Engineering Center, Japan Atomic Energy Agency, 2. The University of Tokyo)

Keywords:radium, Ningyo-toge, granite, fixtation

In order to investigate the behavior of radium in the Ningyo-toge Environmental Engineering Center, radium in the core sample in the center was analyzed with HPGe semiconductor detector. As a result, concentrate of radium was observed in the weathered granite in the lower part of the core sample.