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Japan | |
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| INOUE, A., & UTADA, M. (1991). Hydrothermal Alteration in the Kamikita Kuroko Mineralization Area. Mining Geology, 41(228), 203-218. |
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| Masui, J. & Shimizu, Y. (1944): "Kochite", a zunyite-diaspore-sericite rhyolite from Ishidoriya, A preliminary report. Journ. Japanese Assoc. Min. Pet. & Economic Geology 32, 97-111 (in japanese) |
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| Imai, H. (1978) Geological studies of the mineral deposits in Japan and East Asia. p67 (University of Tokyo Press) |
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| Masutomi Museum specimen (Kyoto) |
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| Fujii, N., & Inoue, H. (1971). Geologic Features and Classification of the Pyrophyllite Deposits in the Hokushin District, Central Japan. Mining Geology, 21(110), 407-417. |
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| Petrov, Alfredo (n.d.) Personal Communication. |
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| Alfredo Petrov specimens, from Yamamoto collection. |
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| Fujii, N., & Inoue, H. (1971). Geologic Features and Classification of the Pyrophyllite Deposits in the Hokushin District, Central Japan. Mining Geology, 21(110), 407-417. |
Yoji mine, Sakuho, Minamisaku District, Nagano Prefecture, Japan