Search for intrinsic noble gas signature in Archean ultramafic rocks

Tomona Oishi, The University of Tokyo, Department of Earth Science and Astronomy, Tokyo, Japan, Tsuyoshi Komiya, University of Tokyo, Department of Earth Science and Astronomy, Tokyo, Japan, Hirochika Sumino, Geochemical Research Center, Graduate School of Science, University of Tokyo, Tokyo, Japan and Hiroyuki Kagi, Univ Tokyo, Tokyo, Japan