Author's Organization:/ Sapporo Campus,Hokkaido Education University Geological Laboratory of Geoscience Co.,Ltd., Geological Survey of Japan Hakodate Campus,Hokkaido Education University Geological Survey of Japan
Published: June 15, 1992Received: September 02, 1991Available on J-STAGE: April 11, 2008Accepted: February 17, 1992
Advance online publication: -
Revised: -