Author's Organization:Tokyo Gakugei University Institute of Geology and Mineralogy,Faculty of Science,Hiroshima University Institute of Geology and Mineralogy,Faculty of Science,Hiroshima University
Published: November 15, 1986Received: January 20, 1986Available on J-STAGE: April 11, 2008Accepted: July 28, 1986
Advance online publication: -
Revised: -