 | | Journal (article/letter/editorial) | | Characteristics of SkarnDepositsandRelated Acid Magmatismin Japan HIDEHIKO SHIMAZAKI Abstract Most Japanese skarn...Cretaceousor Miocene age. The granitic rocks in Japan have been subdividedinto a magnetite-bearingand...those associatedwith ilmenite granitoids. 2. Ferrobustamite,ideally Ca•FeSi60•8, occurs in some depositsassociatedwith...graniticrocks, tiary; the outer zone of southwestern Japan, Miocene; papersby Ishiharaand his colleagues are...bulk chemicalcompositionexcept for ferric/ferrous Japan. As shownin the figure, eachgranitic belt ratios |  | | Journal (article/letter/editorial) | | Okayama University, Misasa, Tottori-ken, 682-022 , Japan (Received March 26, 1986: Accepted May 15, 1986)...0), Yaguki (-1.5 +2.5) and Fujigatani (+10.5 ' +10.8) skarn depositsin Japan. Oxygenisotope values of ore-formingfluids...solutions responsible for major skam deposits in Japan, using the isotopic data on skarn calcites from...oxygen in some representative skarn deposits in Japan, and to check whether the data are concordant with...samples were provided from four skarn deposits in Japan. Clinopyroxene is a main constituent of skarns in |  | | Journal (article/letter/editorial) | | SATO Geological Surveyof Japan,Yatal>e-Higashi 1-1-3,Tsukuba, Ibaraki305,Japan Abstract The Fujigatanitungsten...skarn depositsin Japan are divided into two types: a scheelitetype, including the Fujigatani deposit,and a...rocks, respectively. The reducednature of the Fujigatani deposit was presumablygeneticallyconnectedwith...by tungstenmineralization in Japan(Sato, 1977b). TIlE Fujigatani mine is locatedin the Kuga district...district, The geologyof the Fujigatani depositwas first YamaguchiPrefecture,about 50 km to the southwest reportedby |  | | Journal (article/letter/editorial) | | J. Japan. Assoc. Min. Petr. Econ. Geol. 73, 231-240, 1978 PHASE RELATIONS IN IN THE H20-CO2 SYSTEM...and favorable restricted by to the , ferrobustamite, have been mixtures CaO-SiOa-CO, condition...mentioned When fields, fluids the containing ferrobustamite values, skarn less is however, are consisting...the , and are stability is 0.5 more of ferrobustamite. INTRODUCTION Grandite garnet and/or chnopyroxene...the data compiled by Strunz (1970). except ferrobustamite (Yamanakaet al., 1977). SOME STABLE REACTIONS |  | | Journal (article/letter/editorial) | | composition and low temperature stability of ferrobustamite in the system CaSiO3−CaFeSi2O6 under hydrothermal...(Tatsuya KAGEYAMA)*,** Hydrothermal synthesis of ferrobustamite has been carried out at temperatures between...formation of ferrobustamite was confirmed by XRD. The FeSiO3 contents in ferrobustamite ranging from...increasing temperature. X−ray microprobe analyses of ferrobustamite showed as tiny grains associated with xonotlite... C of the CaCl2･2H2O, FeCl2･4H2O and SiO2. Ferrobustamite was also formed by reheating at 350 ° metastable |  | | Book | | Tertiary skarns are known (e.g. in Malaysia and Japan) but such regions are rare. Rundkvist suggests that...syngenetic base metal deposits (e.g. Kuroko-type, Japan). (f) Similar to (e) except that transport and...metals occurring in deposits related to them in Japan (after Ishihara, 1980). some skarns, depending...related epigenetic deposits with granite types in Japan show that all the Sn and most of the W produced...on a larger scale also occurs in the Old Hickory Mine, Beaver County, Utah, U.S.A. (Hobbs,1945). Here |  | | Book (volume) | | The Chemical Society of Japan for diagram from Bulletin Chemical Society of Japan: Chapman & Hall Ltd for...K-1., J964. Clinopyroxenes from alkaline rocks of Japan. Amer. Min., 49, 1199-1223. Berman, H., 1937. Constitution...solid solutions. Part I. The CaAl 2 SiO6 component. Japan. J. Geol. Geogr., 33, 213-220. Makanjuola, A. A...aluminian bronzite from Takasima, North Kyushu, Japan, Takeda (1972) showed that the tetrahedral site...chromite pyroxerute, H irose mine, Tari district, Tottori Prefecture, Japan (Kitabara, 1958). Anal. J. |  | | Report (issue) | | (1979). Probe analyses (1) from Broken Hill gold mine, Coromandel , New Zealand. ACANTHITE. Nikolaeva...(1979). Probe analyses (4) from Broken Hill gold mine, Coromandel, New Zealand. AGUILARITE. Sugaki et... Probe analysis, x-ray data from Sanru mine, Hokkaido, Japan. AGUILARITE. Sugaki et al., J. Jpn. Assoc...65-77 (1982). Microprobe analyses (5) from Sanru mine, Hokkaido. AGUILARITE. Vassalo Morales and Borodaev...Probe analysis, optics, x-ray data from Yamaguchi Pref., Japan. AIKINITE. Nakashima et al., J. Jpn. Assoc |
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