 | | Report (issue) | | 8419(5) X-ray Powder Pattern: N’Chwaning mine, Kuruman district, South Africa. (ICDD 38-475). 9.555 (100)...Total 99.24 99.27 4+ 2+ K Na ) (Mn Mn (1) Todoroki mine, Japan; corresponds to (Ca0.48 Mn2+ 0.40 0.08 5...01 Mg0.17 )Σ=6.00 O12 • 3.62H2 O. (2) Tarantana mine, Cuba; corresponds to (Mn2+ 0.49 Na0.25 2+ • Ca0...Association: Pyrolusite, cryptomelane, romanèchite, manganite, rhodochrosite, quartz, “opal”. Distribution:...Well-characterized material from: the Todoroki mine, south of Ginzan, Hokkaido, Japan. On Groote Eylandt, Northern |  | | Journal (article/letter/editorial) | | certain manganeseoxide deposits of the Philipsburg District, Montana, has been under way at the University...University of Wisconsin since 1958. Pyrolusite, manganite, cryptomelane, chalcophanite, hydrohetaerolite,Nsuta...localities. OccunnBNco AND ORrctN The Philipsburg District is on the west flank of the Flint Creek mountains...Fissure mine in the eastern part of the District. The general geology of the Philipsburg District is given...(1913). Goddard (1940)presentsa geologicmap of the district as well as descriptionsand maps of severalof the |  | | Journal (article/letter/editorial) | | Faculty of Science, Kyushu University, Fukuoka (Japan) (Accepted for publication July 7, 1989 ) Abstract...birnessite, with their diagenetic conversion products, manganite, braunite and bixbyite. The mineralogical characters...and birnessite to braunite and todorokite to manganite are preserved. The general observations suggest...Zealand, Stanaway et al., 1978; Noda Tamagawa, Kaso, Japan, Watanabe et al., 1970; Calaverous Formation and...study on alabandite from the manganese deposits of Japan. His research has centered on the mineralogy and |  | | Journal (article/letter/editorial) | | manganeseoxide phasenamedafter the Todoroki mine (Hokkaido, Japan) that was described by Yoshimura (1934)...the chemicalname "manganite" which created confusion with the mineral name manganite for y MnOOH. Buser...49-62. Feitknecht, W. and Marti, W. (1945) Ueber Manganite und ki.instlichen . Braunstein.HelveticaChimicaActa...(1979) Preparationand Magnetic Propertiesof Manganite. Joumal of Solid StateChemistry,29, ll7-120. Levinson...(1934)Todorokite, a new manganesemineral from the Todoroki Mine, Hokkaido, Japan. Journal of the Faculty of Science |  | | Journal (article/letter/editorial) | | Studies Minerals NAMBU on the Manganese from Japan and Katsutoshi TANIDA Abstract Naturally occurring...and amorphous manganese dioxide mineral , from Japan were briefly reviewed from the stantpoints of descriptive...る 。 他 方,バ Gclovato(1948)やFeitknecht ganous manganite"が 雑 に し て い る が,後 わ が 国 で は,松 谷(1958)21)は &...Takamatsu mine, Iwate Pret. (Nambu, 1965) Sainokami mine, Iwate Pref. (Nambu, 1965) Toyoguchi mine, Iwate...Iwate Pref. (Nambu and Tanida, 1961) Minamimata mine, Aomori Pref. (Nambu and Okada, 1961) 5. Arikurazawa |  | | Journal (article/letter/editorial) | | and Mineralogy, Hokkaido University, Sapporo 060 (Japan) Institute for Thermal Spring Research, Okayama...Okayama University, Misasa, Tottori 682-03 (Japan) (Accepted for publication June 18, 1981) ABSTRACT Hariya...recent bog ores are slightly different ranged. Manganite and groutite are unique in their hydrogen-isotopic...Hydrogen-isotope fractionation factors between manganite and water were experimentally determined to be...isotopic equilibrium conditions, most of the manganite mineralization in the Tertiary manganese deposits |  | | Journal (article/letter/editorial) | | manganeseores of the charco Redondo-T aratana district in 19511952, had also identified the same material...Tononorttn Mine Boston mine Quinto mine Charco Redondo Lucia mine Taratana mine Guanaba mine Sorpresa...Sorpresa mine Manacas District Fortuna mine New York mine Yeya mine Abundancia mine Ponupo mine Name of workings...Embreeville mine, Embreeville,Tennesseelthe Lucifer mine, Baja Cali_ fornia, Mexico; the Nsuta mine, Ghana...and contains shreds of bayate and inclusions of manganite or pyrolusite. The last mineral formed was rhombohedral | | | Journal (article/letter/editorial) | | Reference Prefecture, Jian-Bao Environments of Manganese to Todorokite, West from Urizukui, Japan LI...に色 付 い て見 え る 的 に は 殆 ど 回 析 線 を 示 す こ と が な い. manganiteあ る い はbuseriteと 呼 こ で は 一 括 し て 非 晶 質 二 酸 化...diffraction data for todorokites from and frcm the Todoroki mine (3-7) (1) natural wet sample (2) air-dried...Urizukuri, this paper (analyst : Harada, S.), (2) Todoroki mine, Hokkaido (Yoshimura, 1934), Insol. 1.28, SO3...tr., (3) Maruyama mine, Aomori Pref. (Okada and Tanida, 1965), (4) Hamayokogawa mine, Nagano Pref. (Nambu |  | | Journal (article/letter/editorial) | | 6-MnOs 7-MnO2 B-MnOz MnOz Groutite Feitknechtite2 Manganite Bixbyite Birnessite3 Nsutite Pyrolusite Ramsdellite...o i t ef r o m t h e N o d a - T a m a gawa Mine, Japan. I. Preparation De Schulten (1887) prepared Mn(OH)...Pyrochroite NodaMn(OH)z Tamagawa Mine (Klingsberg, 1958) Iwate, Japan (Watanabe et al., 1960) VS 4.743...is actually pyrochroite pseudomorphous after manganite. Grigoriev (1934) claimed to have prepared this...Supergeneoxidation of pyrochroite at the Noda-Tamagawamine, Japan, also producesa mixture of ItInsOq 1 ,i Frc. 14 | | | Journal (article/letter/editorial) | | todorokite 針 Abstract: Todorokite Hokkaido, Japan tial thermal tals to into narrow appears...the plates parallel mine, and show the cleavages pattern え Todoroki X‑ray of endothermic... peaks were analysis. be and the Todorolci mine, Hokkaido curve 120℃,260℃, the crystals thin...ス鉱 バ ー ネ ス鉱 はJonesとMilneに δ一MnO2やmanganous manganiteと され た 。 δ一MnO2はMcMurdieに で14), γ‑MnO2と X粉 よ...す る もの で あ る 。 しか しWadsley等 に よれ ば , δ‑MnO2は manganiteよ り少 し酸 化 の す〓 ん だ 相 と考 え ら れ る 。 Cole13)等 MnO2の |  | | Report (issue) | | mineral col lector, was born in Kanazawa, Ishikawa Prefecture, on August 30, 1874. Soon after his graduation...at the Arakawa Mine, Akita Prefecture. In 1909, he was promoted to Director of the Mine and held. the...then that of the Director of the Yoshioka Mine, Okayama Prefecture, for about seven years altogether. He...technology in the first half of this century in Japan. He retired from the Advisory Board of the Mitsu...such volumes as " Beiträge zur Mineralogie von. Japan ", Neue Folge I and II (T. Ito, 1937), " Japanese |  | | Journal (article/letter/editorial) | | buseriteand its breakdownproductsbirnessiteand manganite(rMnOOH). The recent experimental evidencedemonstratingthe...and Marti, 1945;Wadsley, 1950a,b) called "l0A manganite." As a result, the phaseoccurring in manganesenoduleswas...19ffi; Hewitt et al., 1963),or synthetic "l0A manganite" (Buser, 1959).This dual nomenclaturehas pervaded...1963)that the term "l0A manganite"causes confusion with the mineral manganite(rMnIllOOH). Giovanoli et...two other species:todorokite, a synthetic"l0A manganite." Buserite was acceptedas a Mn-Mg-Ca-Na-K oxide |  | | Journal (article/letter/editorial) | | pseudomorphs supposedly consisting largely of manganite. The manganite had formed by the alteration of pyrochroite...cited in Table 2, was interpreted as a mixture of manganite and pyrochroite, although the presenceof these...abundance and great variety. When the Sterling Hill mine was first opened about 1870, however, a large body...with Zn : Mn2: 1.54: 1. 3. Todorokite. Todoroki mine, Hokkaido, Japan. Yoshimura (1934). Rem. is SiOz 0.45 |  | | Journal (article/letter/editorial) | | mineral. Todorokite, discovered in the Todoroki mine, Japan [18], has in recent years been found to...buserite with its alteration product birnessite and manganite. However, it was subsequently shown that todorokite...structure of manganese dioxide minerals. J. Miner. Soc. Japan, Vol. 16, No. 4, pp. 3 0 1 308. 12. Nambu, M., Okada...K., 1964, Chemical composition of todoro kite: Japan. J. Assoc. Mineral., Petrol, and Econ. Geol., Vol...Todorokite-a new manganese mineral from todoroki mine, Hokkaido, Japan: J. Fac. Sci Hokkaido Univ., Vol. 2 |  | Cui, Haojie, Liu, Xiangwen, Tan, Wenfeng, Feng, Xionghan, Liu, Fan, Daniel Ruan, Huada (2008) Influence of Mn(III) Availability on the Phase Transformation From Layered Buserite to Tunnel-structured Todorokite. Clays and Clay Minerals, 56 (4) 397-403 doi:10.1346/ccmn.2008.0560401 | Journal (article/letter/editorial) | | discovery of todorokite in 1934 in the Japanese mine, Todoroki, its synthetic counterpart has been used to...of Mn(III)-pyrophosphate complex. Two grams of manganite (AOS = 3.05) was dispersed in 100 mL of Na4P2O7...standard stock solution. Ten milliliters of the manganite stock solution was mixed with 5 mL of 0.5 M H2C2O4...Additionally, a blank control group was prepared without manganite. Then, the concentration of Mn in the Mn(III)...Transformation of birnessite to buserite, todorokite, and manganite under mild hydrothermal treatment. Clays and Clay |  | | Journal (article/letter/editorial) | | widely distributedthanindicatedby its typelocalityin Japan (Yoshimura,1934).Subsequently, todorokite,oneof...thesedeep-seamanganese (M. Siegel' nodules manganese ("7A manganite")appearsto be more common in Eklund, 1978),and...(1934)Todorokite,a newmanganese mineralfrom the Todoroki mine, Hokkaido, Japan.J. Fac Sci. Hokkaido Uniu. |  | | Journal (article/letter/editorial) | | Franklinite-(Zn, Mn) (F Bixbyite-Mn203 Braunite-Mn7Si012 Manganite-MnO(OH) Groutite-HMn02 Polianite-Mn02 Pyrolusite-Mn02...2+)2Mn5'1- 012 - 4H 20 FIGURE 1. Hausmannite.Manganese mine Boz Nam, Ardishan, central Persia. Lammellar twining...Single crystals and polygonal sheen). The similar manganite is rarely twinned, aggregates: a o =-4.74 c o...section, the mineral may be easily confused with manganite particularly as the cleavage in hydrohetairolite...pyrolusite is almost always slightly visible in manganite; internal reflections are more frequent; and the |  | | Journal (article/letter/editorial) | | manganocalcite weather in this chronologic order into manganite. Chlorite is transformed into a mixture of Mn-oxihydroxide...layer of a few centimetres thick, made up of manganite, occurs at the basal portion of the altered profile...the profile in a zone where the first-formed manganite is replaced by secondary Mn-oxides similar to...originates from a possible transformation of manganite. Frondel et al. (1960) have noted the presence...1953. The manganese mineralizations at the Merid-Mine, Minas Gerais, Brazil. Ph.D. Thesis, Harvard University |  | | Report (issue) | | each country having a major manganese deposit or district------------------------------------ 10 4. By economic...Germany for 16 percent, France for 10 percent, Japan for 5 percent, and South Africa for 4 percent. The...given to a plant that would use ore from a future mine in the Carajas regon in Brazil. Gabon is also considering...leading steel producers (Soviet Union, U.S.A., Japan, and western Europe), only the Soviet Union has...deposits of !mini, Morocco, and the Postmasburg district of South Africa are examples of this type. There |  | | Journal (issue) | | itself with the recent closure of the world famous mine of the New Jersey Zinc Company at Franklin, N. J...carrying out selected items to sell. Finally the mine owners discovered they were operating mostly for...why history will repeat itself. Even the common mine run, dump material has steadily advanced in price...price over the years, and sharply since the mine closed in about 1954, The choice, selected items are, of...posites." End of quote. A former mine superintendent at the Franklin mine made this comment many years ago |  | | Journal (article/letter/editorial) | | Lake Valley, NM Ramsdellite 120302 Pinal Co., AZ Manganite 157872 Thuringia, Hartz Mtns. Germany Groutite...Brazil Poona, India 106238 Cuba 105391 Todoroki Mi., Japan Medford, MD 140503 Furnace Creek, CA Yakutia...+ 5B3u Γacoustic = B1u(z) + B2u(y) + B3u(x) Manganite [g-MnO(OH)] P21/c (#14): 2/m Γoptic = 12Ag + 12Bg...Some phases, e.g., pyrolusite, groutite, and manganite, did not exhibit obvious spectral changes at laser...frequency range. 1181 a Mn(OOH)–manganite and groutite Manganite is isostructural with pyrolusite, |  | | Book (edition) | | equivalents (e.g., JADE deposit, Okinawa Trough, Japan). Thus, metasomatic/metamorphic overprinting is...red law, lamellar 32 Thoreaulite Ilmenite Manganite Ulvöspinel Jacobsite Reflection Colour & Ø... Mineral Descriptions Molybdenite in Graphite; Bogala Mine, Sri Lanka 51 Copper, native Synonym(s): Cuivre...of cuprite (bluish grey); North Mine (North Broken Hill Mine; NBH Mine), Broken Hill, Yancowinna Co.,...vein in jasper (red internal reflections); Madenköy Mine, Çayeli, Rize Province, Black Sea Region, Turkey |  | | Journal (issue) | | Arthur Roe Famous Mineral Localities: The Brumado District, Bahia, Brazil..................................on the Benitoite Gem mine, it was stated that the Mina Numero Uno, a nearby mine having a similar mineralogy...Another rope-climbing strahler who had France’s “Mine Des Farges,” now known worked the high altitudes...ranged from rel from Mina La Farola (the Farola mine) atively clear to opaque white to yellow- some 500... gemmy, white barite crystals, mak El Salvador mine, was one, and volborthite, ing them very attractive |  | Cui, Hao-Jie, Feng, Xiong-Han, He, Ji-Zheng, Tan, Wen-Feng, Liu, Fan (2006) Effects of Reaction Conditions on the Formation of Todorokite at Atmospheric Pressure. Clays and Clay Minerals, 54 (5) 605-615 doi:10.1346/ccmn.2006.0540507 | Journal (article/letter/editorial) | | nodules. Since todorokite was first found in Todoroki mine (Japan) in 1934, creation of its synthetic counterpart... Vol. 54, No. 5, 2006 Formation of todorokite manganite under mild hydrothermal treatment. , 35, 271ÿ280 |  | | Journal (article/letter/editorial) | | BUSERITE DEPOSIT FROM A HOT SPRING IN HOKKAIDO, JAPAN ArdgA UsuI 1 AND NAOKI MITA2 Department of Marine...Geochemistry, Geological Survey of Japan 1-1-3 Higashi, Tsukuba, Ibaraki, Japan 305 Abstract--The hot spring...group on the volcanic front in Hokkaido Island, Japan (Figure 1). The Yuno-Taki Falls (650 m above sea...the volcanic fronts on island-arc systems around Japan. et a11992). Figure I shows a simplified geological...with Horiba Type HF~ at the Geological Survey of Japan (GSJ), assuming t h a t thermal treatment at 450"C |
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