Bulletin volcanologique: organe de la Section de ...
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ACKNOWLEDGEMENTS I wish to thank W. F. B. Ryan and D. Ninkovich for the
possibility to sample core RC 9-195 at Lamont Mrs. Erika Lutz (Freiburg), Mr. N.D.
Ware (Canberra) and J. Huth (Mainz) were my guides during microprobe work.