Mantle-derived Xenoliths with Hot-spot Type Helium in Cenozoic Alkali Basalt, Northwestern Kyushu, Japan

H. Sumino, K. Nagao, K. Notsu and S. Nakai
Laboratory for Earthquake Chemistry, University of Tokyo, Tokyo, 113-0033, Japan
Earthquake Research Institute, University of Tokyo, Tokyo, 113-0032, Japan

Mineralogical Magazine; 1998 v. 62A; no. 3; p. 1479-1480; DOI: 10.1180/minmag.1998.62A.3.109
© 1998, The Mineralogical Society
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