 | | Report (issue) | | 46 Total 100.60 100.00 (1) Hol Kol mine, North Korea; forsterite and spinel impurities. (2) Mg3 (BO3...Association: Forsterite, clinohumite, ludwigite, spinel, fluoborite, szaibeĚlyite (Hol Kol mine, North Korea);...szaibeĚlyite, warwickite (Neichi mine, Japan). Distribution: From the Hol Kol AuâCu mine, about 75 km southeast...Suan Co., North Korea. In the Neichi mine, Miyako, Iwate Prefecture, Japan. At Qiliping, Hunan Province...From BaĚiţa (ReĚzbaĚnya), Romania. In the Brosso mine, northwest of Ivrea, Torino, Italy. In the USA, |  | | Journal (article/letter/editorial) | | Dolomitic, Rhodochrosite, and Calcareous Marbles of Japan S. M. Aleksandrovâ and M. A. Troneva Vernadsky Institute...endogenous borates from hypabyssal skarn deposits of Japan (Honshu Island) that were formed after dolomitic...calciphyres at the Neichi, Kaso, and Rito mines, and are developed in calcitic marbles at the Fuka mine. Depending...jimboite, and takedaite in the outer zones of spinelâforsterite and galaxiteâjacobsiteâtephroite calciphyres...takedaite, sibirskite, Mg, Mn, and Caskarns, Japan DOI: 10.1134/S001670291211002X INTRODUCTION The |  | | Report (issue) | | 1228(9) c = 9.917(4) X-ray Powder Pattern: Hol Kol mine, North Korea. 2.557 (100), 2.010 (60), 2.823 (50)...(2) 46.34 53.66 Total 99.93 100.00 (1) Hol Kol mine, North Korea; after deduction of szaibeĚlite, corresponds...diopsideâclinohumiteâ dolomiteâcalcite skarn (Hol Kol mine, North Korea). Association: calcite. Kotoite, sakhaite... clinohumite, forsterite, apatite, spinel, Distribution: From the Hol Kol AuâCu mine, about 75 km southeast...elsewhere in Romania. At Kami-neichi, Miyako, Iwate Prefecture, Japan. Name: For Suan Co., the North |  | | Journal (article/letter/editorial) | | Republic of Korea, Peopleâs Republic of China, Japan, Tajikistan, Romania, France, Scotland, and the...clinohumite. Its crystal lattice is similar to that of forsterite, humites, and pertsevite, the minerals associating...5], where it replaces pyroxene and forsterite skarns and forsterite calciphyres, including dolomites....spinelâpyroxene (diopside) and monticellite skarns, spinelâforsterite calciphyres, and periclase marbles grading into...contain a scarce dissemination of calcite and forsterite, whereas humites and other F-bearing minerals |  | | Journal (article/letter/editorial) | | calcite dolomite magnesite ankerite siderite forsterite clinohumite chondrodite norbergite chrysotile...samples used for this study were collected from the mine dumps. No major textural and mineralogical variation...were described for magnesian silicates (i.e., forsterite and clinohumite) and may be interpreted as an...several other worldwide occurrences, e.g., Neichi Mine, Japan (Watanabe et al. 1963) or an unnamed locality...itself and as other primary minerals such as forsterite and clinohumite, the alteration products of kotoite |  | | Journal (article/letter/editorial) | | or perovskiteâmonticellite calciphyre)âspinelâforsterite calciphyreâpericlase marbleâdolomite marble....successively replace magnesian carbonates in spinelâforsterite calciphyres and periclase marbles or dolomite...crystal structure resembles the structure of forsterite and humites. In pristine dolomite marble, kotoite...Fe-free minerals, such as spinel, periclase, forsterite, clinohumite, excess calcite, and relict dolomite...Korea testify that these rocks contain silicates (forsterite), and their SiO2 contents vary from 2â3 to 7 |  | Proyer, A., Baziotis, I., Mposkos, E., Rhede, D. (2014) Ti- and Zr-minerals in calcite-dolomite marbles from the ultrahigh-pressure Kimi Complex, Rhodope mountains, Greece: Implications for the P-T evolution based on reaction textures, petrogenetic grids, and geothermobarometry. American Mineralogist, 99 (7) 1429-1448 doi:10.2138/am.2014.4710 | Journal (article/letter/editorial) | | geikielite and of zircon + magnesite to baddeleyite + forsterite experimentally. Fraser et al. (2004) then dated...the reaction zircon + dolomite = baddeleyite + forsterite + calcite + CO2. Marble-hosted zircons have been...Rutile has been reported as part of the assemblage forsterite + clinochlore + calcite + dolomite + spinel +...Morrison 1992), but the usual Ticarrier in a forsterite-bearing marble is humite-group mineral, 1429...not exactly mass-balanced. ing the end-members forsterite, antigorite, diopside, tremolite, U, Nb, and |  | Zhou, Guangyan, Wu, Yuanbao, Fu, Bin, Li, Long, Zhang, Wen-Xiang, Zhang, Yelv (2020) Genesis of baddeleyite and high δ18O zircon in impure marble from the Tongbai orogen, Central China: insights from petrochronology and HfâO isotope compositions. Contributions to Mineralogy and Petrology, 175 (8). doi:10.1007/s00410-020-01714-z | Journal (article/letter/editorial) | | 660â710 °C; Zircon + Dolomite â Baddeleyite + Forsterite + Calcite + CO2). The genesis of metamorphic...such conditions, the assemblage of baddeleyite + forsterite + calcite should be more stable than the assemblage...zircon + magnesite rather than baddeleyite + forsterite + calcite has been commonly reported in UHP rocks...reaction of zircon + dolomite â baddeleyite + forsterite + calcite + CO 2 . Ferry (1996a, b) documented...Highlands, i.e. zircon + dolomite â baddeleyite + forsterite + calcite + CO2 (Ferry 1996a). The studied baddeleyite |  | Zhang, Shuan-Hong, Zhao, Yue, Li, Qiu-Li, Hu, Zhao-Chu, Chen, Zhen-Yu (2017) First identification of baddeleyite related/linked to contact metamorphism from carbonatites in the world's largest REE deposit, Bayan Obo in North China Craton. Lithos, 284. 654-665 doi:10.1016/j.lithos.2017.05.015 | Journal (article/letter/editorial) | | dolomite (CaMg(CO3)2) = baddeleyite (ZrO2) + forsterite (Mg2SiO4) + 2 calcite (CaCO3) + 2 CO2. Zircon...magmatic zircons (e.g., 10185-1). Considering that forsterite is a relatively uncommon mineral, and the presence...CO2 and zircon + 2 magnesite = baddeleyite + forsterite + 2 CO2. American Mineralogist 87, 1342â1350...dolomitic TE marble from the Neichi mine, Miyoko City, Iwate Prefecture, Japan. Bulletin of the CE P National |  | | Journal (article/letter/editorial) | | skarns, and in marbles up to 500 m from the stock. Forsterite, clinohumite, lizardite, and malachite contain...the successive appearance of talc, tremolite, forsterite, clinohumite, and periclase (Fig. 1) in massive...lithologies, fluid XCO2 increases from the talc to the forsterite zone. The absence of univariant or invariant...formations 0 1 2 km Forsterite Talc Periclase Tremolite Utah Alta Stock Periclase Forsterite Tremolite Talc...documented that the talc, tremolite, and outermost forsterite zones lie in the rock-dominated segment of the |  | Gaines, Richard V., Skinner, H. Catherine W., Foord, Eugene E., Mason, Brian, Rosenzweig, Abraham, King, Vandall T. (1997) Dana's New Mineralogy (8th ed.) Wiley-Interscience. p.1872 | Book (edition) | | California. Akira Kato: National Science Museum, Tokyo, Japan. Petr Korbel: Dept. of Mineralogy, National Museum...including Siberia ae SS shes] TM REED eS SL China and Japan 10. India 11. South east Asia 12. Middle East 13...Crytal Structure Communications Chemical Society of Japan Bulletin Colorado School of Mines Quarterly Crystal...International (English translation) Geochemical Journal (Japan) Geokhimiya Mineralogiya & Petrologiya Geophysical...Transactions Journal of the Clay Science Sciety of Japan Journal of the Chinese University Geosciences Journal |
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