CONTACT-METAMORPHOSED BEDDED MANGANESE DEPOSIT AT NAGASAWA, JAPAN MAKOTO HARUNA§ Geological Museum, National...and Technology, 1–1–1 Higashi, Tsukuba, Ibaraki, 305–8567, Japan HISAO SATOH§ AND YASUYUKI BANNO§ National...Tsukuba, Ibaraki, 305–8567, Japan MASAHIDE KONO Takata Cooperation, Inada, Kasama, Ibaraki, 309–1635...309–1635, Japan MICHIAKI BUNNO§ Geological Museum, National Institute of Advanced Industrial Science and Technology...Higashi, Tsukuba, Ibaraki, 305–8567, Japan ABSTRACT The Nagasawa deposit, in Japan, is a Paleozoic to |