Author's Organization:Geological Survery of Hokkaido Department of Geology and Mineralogy,Faculty of Science,Hokkaido University Wako-giken,Co.,Ltd., JAPEX Research Center
Published: January 15, 1991Received: April 19, 1990Available on J-STAGE: April 11, 2008Accepted: October 25, 1990
Advance online publication: -
Revised: -