Author's Organization:Department of Geology,Faculty of Science,Shimane University Department of Geology,Faculty of Science,Shimane University Department of Geology,Faculty of Science,Shimane University
Published: December 15, 1992Received: July 08, 1992Available on J-STAGE: April 11, 2008Accepted: October 16, 1992
Advance online publication: -
Revised: -