<Original Papers>On the Mineral Group of Cu-Fe-S Series. (Supplement) : A New Occurrence of Digenite and Orange Bornite in Japan

In the previous number of the Bulletin, a brief note was given on the minerals of Cu-Fe-S series. After that, in the "Black Ore" of Kamikita mine, Aomori Prefecture, digenite and orange bornite are found associted with chalcopyrite, bornite, chalcocite, enargite, luzonite, tetrahedrite, sphalerite, galena and pyrite. All minerals are primary hypogene ones and very interesting paragenesis were observed under microscope. Above two minerals and primary chalcocite are new occurrence in Japan. Details will be published in the Journal of the Geological Society of Japan