Author's Organization:Department of Geology and Mineralogy,Kyoto University Hiruzen Research Institute,Okayama University of Science Okayama Branch Hiruzen Research Institute,Okayama University of Science Okayama Branch
Published: May 15, 1992Received: September 10, 1991Available on J-STAGE: April 11, 2008Accepted: December 16, 1991
Advance online publication: -
Revised: -