Author's Organization:Department of Geology and Mineralogical Sciences,Yamaguchi University Department of Geology and Mineralogical Sciences,Yamaguchi University Hiruzen Research Institute,Okayama University of Science
Published: October 15, 1992Received: February 27, 1992Available on J-STAGE: April 11, 2008Accepted: June 25, 1992
Advance online publication: -
Revised: -