 | | Report (issue) | | uppsatser. N:o 516 ÅRSBOK 44 (1950) N:o 2. MANGANESE MINERALIZATION IN THE ULTEVIS DISTRICT, JOKKMOKK...uppsatser. N:o 516 ÅRSBOK 44 (1950) N:o 2. MANGANESE MINERALIZATION IN THE ULTEVIS DISTRICT, JOKKMOKK............................................... Hollandite................................................Introduction. Part i (ödman 19471) of the account of the Manganese Mineralization in the Ultevis District contained...groups, e. g. the garnets, the feldspars and the manganese pyroxenes, are not mentioned in this work. The |  | | Journal (article/letter/editorial) | | com/loi/tigr20 THE MANGANESE ORES Paul Ramdahr To cite this article: Paul Ramdahr (1959) THE MANGANESE ORES, International...Arizona] Date: 11 June 2016, At: 17:49 THE MANGANESE ORES' by Paul Ramdahr 2 • translated by W. 0....Arizona] at 17:49 11 June 2016 Twenty-two major manganese minerals are described in manual form. Crystallographic...that even today many uncertainties persist. The manganese oxides of the "Braunstein group" will thus occupy...section or powder pattern. Minerals which contain manganese as major constituent are quite numerous. The number |  | | Journal (article/letter/editorial) | | associated phases in metamorphosed non-calcareous manganese ores of India P.K. Bhattacharyya 1, Somnath Dasgupta...Fukuoka, Japan Abstract. In the metamorphosed manganese oxide ores of India, braunite is ubiquitous in...equilibrating with associated phases such as bixbyite, hollandite and jacobsite during prograde reactions. Petrogenetic...Araki 1976) occurs commonly in metamorphosed manganese oxide ores and in hydrothermal deposits (Roy 1981)...Braunite occurs ubiquitously in the metamorphosed manganese oxide ores in different Precambrian formations |  | | Journal (article/letter/editorial) | | UniÕersitat ¨ Heidelberg, INF 234, D-69120 Heidelberg, Germany Received 5 February 1998; accepted 24 March 1999...from different sub-alpine mountain terrains in Germany and France has been undertaken. The objective of...reserved. Keywords: Geochronology; 40Arr39Ar dating; Manganese oxides; Weathering; Neogene; Central Europe 1...minerals such as cryptomelane ŽKMn 8 O 16 P nH 2 O., hollandite ŽBaMn 8O 16 P nH 2 O. and romanechite ŽBaMn 5...demonstrated that cryptomelane and hollandite may be successfully used to date manganese deposits of hydrothermal |  | Dekoninck, Augustin, Monié, Patrick, Blockmans, Sabine, Hatert, Frédéric, Rochez, Gaëtan, Yans, Johan (2019) Genesis and 40Ar/39Ar dating of K-Mn oxides from the Stavelot Massif (Ardenne, Belgium): Insights into Oligocene to Pliocene weathering periods in Western Europe. Ore Geology Reviews, 115. 103191 doi:10.1016/j.oregeorev.2019.103191 | Journal (article/letter/editorial) | | Belgium b c ARTICLE INFO ABSTRACT Keywords: Manganese deposit Ardenne Stavelot-Venn Massif K-Mn oxide...condition generally met in weathered Mn-rich rocks. Hollandite group minerals [(K,Ba,Pb,Na)Mn8O16] (Biagioni...enrichment processes have produced numerous economic manganese ore deposits worldwide (e.g., Kuleshov, 2016;...Laznicka, 1992; Maynard, 2010). Additionnaly, manganese deposits formed during weathering record the chemical...cryptomelane cryptomelane hollandite Romanèche mine Romanèche mine Romanèche mine Romanèche mine Transinnes quarry |  | | Report (issue) | | Occurrence: Formed under highly oxidizing conditions in manganese-bearing hydrothermal deposits and rocks; in bogs...product of manganite. Association: Manganite, hollandite, hausmannite, braunite, chalcophanite, goethite...Distribution: A common manganese oxide, with many localities. Well-studied material from: in Germany, at Elgersburg...Lindener Mark mine, near Giessen, and at Oberrossbach, Hesse; from the Eisenkaute mine, Marienberg, |  | | Journal (article/letter/editorial) | | Springer-Verlag 1995 4~ ages of Precambrian manganese ore minerals from Sweden, India and Morocco H... Im Neuenheimer Feld 234, D-69120 Heidelberg, Germany Received: 15 June 1993/Accepted: 13 May 1994 Abstract...five manganese ore minerals of the hollandite-cryptomelane series from three Precambrian manganese deposits...orogenic cycles. A date of 670 Ma obtained for a hollandite from a volcanogenic vein deposit (Bachkoun),...dates between 0.96 and 0.31 Ga. Potassium-bearing manganese oxides are therefore able to retain argon (possibly |  | | Journal (article/letter/editorial) | | Mineralogy and Genesis of the Metamorphosed Manganese Silicate Rocks (Gondite) of Gowari Wadhona, Madhya...Received July 8, 1968 Abstract. Manganese silicate rocks, interbanded with manganese oxide orebodies, constitute...India. The manganese silicate rocks of Gowari Wadhona occupy the westernmost flank of the manganese belt of...blanfordite (manganese bearing member of diopside-acmite series), brown manganese pyroxene (manganese bearing...aegirine-augite), winehite (manganese bearing riehterite-tremolite), juddite (manganese bearing amphibole with |  | Chukanov, Nikita V., Aksenov, Sergey M., Jančev, Simeon, Pekov, Igor V., Göttlicher, Jörg, Polekhovsky, Yury S., Rusakov, Vyacheslav S., Nelyubina, Yuliya V., Van, Konstantin V. (2016) A new mineral species ferricoronadite, Pb[Mn4+6(Fe3+,Mn3+)2]O16: mineralogical characterization, crystal chemistry and physical properties. Physics and Chemistry of Minerals, 43 (7) 503-514 doi:10.1007/s00269-016-0811-z | Journal (article/letter/editorial) | | Hermann‑von‑Helmholtz‑Platz 1, 76344 Eggenstein‑Leopoldshafen, Germany 7 Faculty of Physics, Moscow State University...Minerals Keywords New mineral · Ferricoronadite · Hollandite supergroup · Crystal structure · Mössbauer spectroscopy...Nežilovo · Pelagonian massif Introduction The hollandite supergroup includes 2 × 2 tunnel oxides with...bivalent octahedral cations in Mn4+-dominant hollandite-type compounds is questionable (see Pasero 2005)...2005). The ideal topological symmetry of hollandite-supergroup minerals is rutile-like and tetragonal |  | | Journal (article/letter/editorial) | | of Geoscierrces,Technical Unioersity, Darmstadt, West Germany Abstract A new occurrence of hetaerolite...differences lite is known to occur include the Franklin Mine, coarse grained zones tend to be homogeneous, New...colorplay. Of interclearly anisotropic, but without Mine, Grant County, New Mexico, and the Lucky observed...observed the microstructures est are "pyramidal" Cuss Mine, Tombstone, Arizona. They as well as (Fig. interspersed...Udubasa,1969\ and consists trally pure metallic manganese,synthesizedzincof metasomaticore-bodiesin metasomaticlimestones |  | | Journal (article/letter/editorial) | | Clara mine. THE NETHERLANDS POLAND CZECHOSLOVAKIA TOM R O S E M E Y E R 1632 Camp Bird Mine Road P... SWITZERLAND OLD CLARA MINE Minerals of the Clara Mine, Wolfach, Germany To Freudenstadt AN UPDATE...nestled deep in the Black Forest of southwestern Germany. While not exactly a household name in America...reputation in Europe. The Clara is by no means the only mine located in this section o f the country, but with...2 million tons, it is the largest active barite mine. It has be come famous during its long history |  | Fairey, Brenton J., Timmerman, Martin J., Sudo, Masafumi, Tsikos, Harilaos (2019) The Role of Hydrothermal Activity in the Formation of Karst-Hosted Manganese Deposits of the Postmasburg Mn Field, Northern Cape Province, South Africa. Minerals, 9 (7) 408 doi:10.3390/min9070408 | Journal (article/letter/editorial) | | Hydrothermal Activity in the Formation of Karst-Hosted Manganese Deposits of the Postmasburg Mn Field, Northern...Umweltwissenschaften, Universitat Potsdam, 14476 Potsdam, Germany Department of Geology, Rhodes University, Grahamstown... Abstract: The Postmasburg Manganese Field (PMF), Northern Cape Province, South Africa...of the largest sources of manganese ore worldwide. Two belts of manganese ore deposits have been distinguished...Western Belt of ferruginous manganese ores and the Eastern Belt of siliceous manganese ores. Prevailing models |  | | Journal (article/letter/editorial) | | Asbestiform manjiroite and todorokite from the Kalahari manganese field, South Africa J. Gutzmer and Nicolas J....braunite-kutnahorite lutite at the Smartt Mine in the Kalahari manganese field, South Africa. Geological evidence...lengths up to 10cm, occur at Smartt mine in the Kalahari manganese field. The occurrence was first noted...investigation, however, it was found that the asbestiform manganese oxyhydroxides in fact represent a microscopic...Mg-Na-K-bearing manganese oxyhydroxide common to marine and terrestrial supergene manganese deposits (Nicholson |  | | Journal (article/letter/editorial) | | AndreÂ-Mathieu Fransolet Heinz-JuÈrgen Bernhardt Hollandite±strontiomelane solid solutions coexisting with...``viridine''-bearing phyllites at Le Coreux, hollandite, ideally BaMn8O16, was discovered for the ®rst...end member MnAlSiO5 ever found worldwide. The hollandite-type minerals are intimately intergrown with...all K is located in muscovite and none in the hollandite phase despite the existence of the end member...Similarly, nearly all Na is in albite and not in hollandite (no NaMn8O16=manjiroite component). Nearly all |  | | Journal (article/letter/editorial) | | mineralogy and paragenesis from the Kajlidongri mine, Madhya Pradesh, India J. Ostwald ~ and V. K. Nayak...1992/Accepted: August 25, 1992 Abstract. The Kajlidongri manganese deposit, Madhya Pradesh, India contains braunite...widespread occurrence especially in metamorphosed manganese deposits, such as the gondites, braunite-spes...association with gondite minerals or with supergene manganese oxides. The chemical nature of the mineral, however...Kajlidongri Mine (22~ 74~ Madhya Pradesh, India. Braunite ore petrology The manganese orebody at Kajlidongri |  | | Journal (article/letter/editorial) | | THE THE SOCIETY OF GEOLOGISTS JUNE-JULY, MANGANESE OXIDE PRELIMINARY No. 4 1943 MINERALS' A...Surveyas part of the strateg{cm{neraIsstud{es of manganese ore depos{ts. It was hopedthat X-ray and opt{ca]...now possibleto identify the mineralspresentin manganese ore depositswith reasonable certainty, the primary...minerals. Am. Min. 27: 607-610, 1942. THE MANGANESE OXIDE MINERALS. 271 of crystallineadmixturewhichmay...minerals. NOMENCLATURE. The nomenclature of the manganese oxide mineralshas been in an unsatisfactory state |  | | Journal (article/letter/editorial) | | Springer-Verlag 1982 Cymrite and Celsian in Manganese-Rich Metamorphic Rocks from Andros Island/Greece...D-3300 Braunschweig, Federal Republic of Germany Abstract. Manganese-rich rocks from the island of Andros...Cymrite, BaA12Si2Os.H20, has been reported from manganese mines (Smith et al. 1949; De Villiers 1970), from...relationships between cymrite and celsian in manganese- and barium-rich metamorphites from Vitali, island...lense-shaped bodies of manganese iron ores of synsedimentary origin. At the idle mine of Vitali the braunite |  | | Journal (article/letter/editorial) | | 332 An X-ray study of manganese minerals. B y BIBnVTI MVK~ERJEE, M.Sc., D.Phil. Geological S u r v e...basis of a fresh indexing of the powder pattern. Manganese-garnet from the gondite series has a cell-size...order of spessartine, whereas the cell-size of manganese-garnet from the kodurite series varies from 11-72...a number of samples of manganese ores. E R M O R (1909) classified manganese-ore deposits in India into...u n i t e rock. Associated manganese minerals are sitaparite, hollandite, jaeobsite, hausmannite, psilomelane |  | | Journal (article/letter/editorial) | | Minerals of the Clara Mines Ober-Wolfach, Baden, West Germany Outstanding crystals of barite and fluorite...Black Forest, which forms the southwest corner o f Germany, bordering on France and Switzerland. I n many...opportunity for many sports. A l though the Clara mine is the mineralogists' chief target, there are many...when the mine was worked by the Kinzigthaler Mining Corporation. Today, the older Clara mine is abandoned...open pits, dumps, and closed tunnels. The new Clara mine is a mile and a quarter to the southwest. Current |  | | Journal (article/letter/editorial) | | online October 2012 Nomenclature tunings in the hollandite supergroup CRISTIAN BIAGIONI, CARMEN CAPALBO...unipi.it Abstract: The hollandite supergroup includes a number of manganese (IV) and titanium oxides...¼ Mn, Ti; M3þ ¼ Mn, Fe, Cr, V; M2þ ¼ Fe. The hollandite supergroup is divided into two groups depending...guidelines, our main actions have been the following: hollandite is redefined as the Ba-Mn3þ end-member of the...the coronadite group; concurrently, type hollandite is redefined as ferrihollandite, a new name to denote |  | | Journal (article/letter/editorial) | | octahedral coordination of all or most of the manganese present. Interpretation of magnetic measurements...indicated that it is a "viridine" with a very high manganese content (Vrfina, 1972). Subsequent detailed study...3 and demonstrates an abrupt variation in the manganese content of the andalusite-kanonaite phase at the... Kanonaite shows a weak, irregular zoning of manganese: the Mn content increases slightly towards inclusions...calculated on the basis of the assumption that all manganese present is L ? 20 AIAI [0/Si04] Andatusite |  | | Journal (article/letter/editorial) | | Thermal behavior of complex, tunnel-structure manganese oxides D.q.vroL. Brsn Geochemistry and Geology...manganeseoxides with tunnel structures include hollandite, coronadite, and cryptomelane (2-octahedra x...the hydrous speciesin them. They concludedthat hollandite minerals contain only a small amount of water...romanechite (calledpsilomelane)transformed to hollandite when heated to 550 oC,in agreementwith Fleischerand...relative ease with which romanechite transforms to hollandite. On the basis of orn data, Kulp and Perfetti |  | | Journal (article/letter/editorial) | | the larger cations, K, Ba, and Sr, gave rise to hollandite-type structures, Mn- and Ni-birnessite transformed...higher temperature converted to hausmannite, The hollandite-type products retained the morphology of the... Cation exchange, Cryptomelane, Hausmannite, Hollandite, Oxidation, Thermal treatment. INTRODUCTION...INTRODUCTION Bimessite is one of the most common manganese oxides in the clay-size fraction ( < 2 f£m) of soils,...the Soviet Union (Chukhrov and Gorshkov, 1981), Manganese minerals of this type are an important source |  | | Journal (article/letter/editorial) | | pp. 12Il-1216(1998) BERNALITE FROMTHECLARAMINE,GERMANY, ANDTHEINCORPORATION OF TUNGSTEN IN MINERALS FERRICIRON...focusses on two samples from the Clara mine, central Black Forest, Germany. X-ray powder diffraction, scanning...crystal chemistry, tungsten, ferric iron, Clara mine, Germany. SoMraens La bernalite, min6ral rarissime, est...description du deuxibme exemple connu, d6couvert d Ia mine Clar4 dans la ForCt Noire centrale, en Allemagne...macle, chimie cristrlline, tungstbne,fer ferrique, mine Clar4 Allemagne. Illrnooucuox Bernalite is an orthorhombic |  | | Journal (article/letter/editorial) | | 1960 NOTES AND NEWS NEW DATA ON BIRNESSITEAND HOLLANDITE* C. FnoNlnr., U. B. MenvrN ewt J. Iro, Haraard...first described under the name birnessitefrom a manganese-richhardpan in fluvioglacial gravel at Birness...crustsof black manganese oxide. Blocks of pink primary ore thrown on the waste heap of the mine quickly weather...rhodochrosite, garnet or qtartz with the secondary manganese oxide present in very minor amount, often as little...1 8 Birnessite Sterling Hill, N. J. 10 9 8 Hollandite Langenberg, Saxony 7. 3 6 .t.o/ 2.46 3 8 10 |
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