Study on wall rock alteration related to polymetallic vein-type deposits, with special reference to the Toyoha mine, southwest Hokkaido, Japan

Cretaceous forearc tectonics in central Hokkaido : With special reference to accretion and exhumation processes of greenstones

Evolution of the Kamuikotan high-P/T metamorphic belt in central Hokkaido, Japan : with special reference to the relation between white mica K-Ar ages and deformation