 | | Journal (article/letter/editorial) | | VOL, 47, JANUARY-!'EBRUARY, 1962 ZINC-BEARING TODOROKITE FROM PHILIPSBURG, MONTANA LewnnNcnT. Lansol,...physical, optical and x-ray data for zinc-bearing todorokite from Philipsburg, Montana are given. In contrast...contrast to other known occurrences, Philipsburg todorokite is of secondary origin and has formed through...chalcophanite, hydrohetaerolite,Nsuta (7) MnO2, todorokite, birnessite,and possibly coronadite have been...of Philipsburg todorokite together with its chemical composition. Philipsburg todorokite differs both in |  | | Journal (article/letter/editorial) | | NOVEMBER_DECEMBER, STUDIES OF THE MANGANESE IV. TODOROKITE* 1960 OXIDES. J. A. Srnlczrr,t Anrnun HonnN...C. ABsrRAcr Todorokite is a very abundant manganese oxide minerar in many deposits in cuba and _ has been...of the manganesedeposits of cuba and especially those in oriente province. Several preliminary reports...constituent of the oresat many localitiesin oriente province, but that it was so intergrown with other minerals...made a field study of the manganeseores of the charco Redondo-T aratana district in 19511952, had also identified |  | | Journal (article/letter/editorial) | | NOVEMBER_DECEMBER' 1960 NEW OCCURRENCES OF TODOROKITE* C. FnoNlnr-, U. B. M.q.nvrn exl J. ho, Harvard'...given for todorokite, (Mn, Mg, Ca, Ba' Hiittenberg' MnsOrz'3HzO, from Charco Redondo, Cuba, Farragudo...Simon and Straczek with todorokite. INrnooucrroN We have identified todorokite, a manganeseoxide mineral...(Yoshimura, 1934),in manganeseore from the Charco Redondo district, Cuba, and in Museum specimensfrom six additional...publication by simon and Straczek(1958) on the charco Redondo deposit that appearedduring the course of our |  | | Journal (article/letter/editorial) | | F O R M A T I O N OF BIRNESSITE TO BUSERITE, TODOROKITE, A N D M A N G A N I T E U N D E R MILD H Y D...Mg-birnessite yielded a mineral identical to natural todorokite in its infrared (IR) spectrum and XRD patterns...product obtained by autoclaving Mg-birnessite to be todorokite. Prolonged autoclaving of Mg-birnessite yielded...had an IR spectrum similar to that of natural todorokite. Images showing 10-A lattice fringes were observed...sample. Co- and La-saturated samples did not form todorokite, although HRTEM of Lasaturated samples indicated |  | | Report (issue) | | (Mn2+ , Ca, Na, K)(Mn4+, Mn2+ , Mg)6 O12 • 3H2 O Todorokite c 2001-2005 Mineral Data Publishing, version...b = 2.8419(5) X-ray Powder Pattern: N’Chwaning mine, Kuruman district, South Africa. (ICDD 38-475)....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...Mg0.17 )Σ=6.00 O12 • 3.62H2 O. (2) Tarantana mine, Cuba; corresponds to (Mn2+ 0.49 Na0.25 2+ • Ca0.19... Well-characterized material from: the Todoroki mine, south of Ginzan, Hokkaido, Japan. On Groote Eylandt |  | | Journal (article/letter/editorial) | | y Los Chivos, Cuba Oriental La Margarita and Los chivos Manganese deposits (Eastern Cuba) X. Cazañas ...del Ferrocarril, San Miguel del Padrón, La Habana, Cuba (**) Departament de Cristal lografia, Mineralogía...mainly constituted by botrioidal todorokite), and ore-poor beds (todorokite cementing vulcanoclastics). They...vulcanogenic, stratiform, todorokite, hollandite, rancieite, ce/adonite, Cuba. Ceogaceta, 20 (7) (1996).../SSN: 0213683X Introducción Los depósitos de Mn de Cuba son conocidos desde finales del siglo pasado, habiendo |  | | Journal (article/letter/editorial) | | OCCURRENCEOF TODOROKITE A. A. LovrlrsoN,The Dow ChemicalCompany,Freeport,Teras. Assrnlcr Todorokite, a hydrated...only from Japan, is described from an occurrence in Cuba. A chemical analysis, r-ray powder spacings, data...presented and compared with those of the type todorokite from Japan. INrnooucrrou During the course of...(from South Africa) and todorokite from a Cuban locality. Inasmuch as todorokite has only been reported...reported from the type locality at the Todoroki Mine, Hokkaido, Japan (Yoshimura, t934), a description is presented |  | | Journal (article/letter/editorial) | | NICOLAS J. BEUKES 163 Asbestiform manjiroite and todorokite from the Kalahari manganese field, South Africa...rau.ac.xa ABSTRACT Asbestiform manjiroite and todorokite occur as infill of bedding parallel extension...altered braunite-kutnahorite lutite at the Smartt Mine in the Kalahari manganese field, South Africa. Geological...Mg as a minor but essential constituent in the todorokite structure that is located on a distinct – but...crystallographic site within the tunnels of the todorokite framework structure. This site is distinct from |  | | Journal (article/letter/editorial) | | manganeseoxide minerals coronadite, romanechite,and todorokite occur in a wide range of geologic settings and...much of their tunnel water to at least 500 "C. Todorokite gradually loses most of its tunnel water below...The lower-temperatureevolution of water from todorokite as compared with romanechite and coronadite is...larger, less-filled tunnels in todorokite. Romanechite and todorokite (and perhaps coronadite) appear...structural effectsof heating romanechite and todorokite up to 300 'C are limited to a minor changein |  | | Journal (article/letter/editorial) | | ............................................... Cuba ..................................................CoquimboProvince, Chile. The samplesfrom Baja Californiaand Cuba were collectedby associatesin the GeologicalSurvey...thickerbedof tuff, and,in the central part of the Lucifer mine,the baseof the bed of oxideslies near the baseof...The manganesecontentof shipmentsfrom the Lucifer mine commonly rangesfrom 48 to 52 percent,the contentof...metalsare relatedin origin. Cuba Many depositsof layeredmanganese oxide are knownin Cuba,but most of them lie |  | | Journal (article/letter/editorial) | | hydrothermalalteration product of such earlier very fine-grained(Charco Redondomine, Cub; minerals as the carbonate;rarely...carbonate;rarely, it results from Table 1, DFH-169). In this mine, somelayers m chocolate-brown plumo• supergene alterationof...areas of rhodochrosite wi• drusy cavities, New Ross mine, Lunenburg, Nova Scoti The specimen is ten centimeters...percent;andcopperis lower. Smallamounts the Club House mine, Arkansas, in which such of cobalt,nickel, and thallium...tetragonal system,but well-terminated crystals are Cove mine, Hants, Nova Scotia (Fig. 5); and the vein depositsof |  | | Journal (article/letter/editorial) | | the buserite phase claim it to be the parent of todorokite which is consideredto be a mixture of buseriteand...experimental evidencedemonstratingthe integrity of todorokite (a tekto-manganate with multidimensionaltunnels...constitutenaturaltodorokites.The crystal chemistry of todorokite structure'types is discussed.We suggestthat three...could be accommodated.We recommend that the name todorokite be universally adopted for the predominant manganeseoxide...phaseoccurring in manganesenoduleswas identified as either todorokite (Straczek et al., 19ffi; Hewitt et al., 1963) |  | | Journal (article/letter/editorial) | | Technology Cambridge, Massachusetts 02139 Abstract Todorokite has been shown in severalrecent HRTEM studiesto...structuresand crystal chemistry of romanechite and todorokite suggestthat lower valence Mn cations occupy larger...lower valenceMn cationsoccur in M2-type sitesof todorokite, accounting for the enrichment of Ni, Cu, etc...seafloorsediments. Introduction lished that todorokite does, in fact, possessa tunnel structure consisting...confirmation by HRTEM of the tunnel structure of todorokite, we sought evidence in support of our model, |  | Andrushchenko, N.F., Gradusov, B.P., Yeroshchev-Shak, V.A., Yanshina, R.S., Borisovskiy, S.Ye. (1975) Composition and structure of metamorphosed ferromanganese nodules, new vein formations of manganese hydroxides, and the surrounding pelagic sediments in the Southern Basin of the Pacific Ocean floor. International Geology Review, 17 (12) 1375-1392 doi:10.1080/00206817509471540 | Journal (article/letter/editorial) | | mieronodules consisting mainly of c r y p t o melane, todorokite, v e r n a d i t e , and l e s s f r e quently...of aggregates of minute crystalline grains of todorokite and they are frequently surrounded by little...sediments (Stn. 6298-30). 1 - eryptomelane and todorokite (black) in altered pelagic sediment (gray). White...eryptomelane (white field) with dendritic inclusions of todorokite and rancieite with eryptocrystalline construction...crystalline-granular todorokite (gray). Hand specimen, x8; 4 three-dimensional dendrite of todorokite-cryptomelane |  | | Journal (article/letter/editorial) | | hematite, goethite, lepidocrocite, ferrihydrite, and todorokite are absent in the vernadites studied by us. ...- birnessite, Pacific Ocean; 17 - todorokite, Charco Redondo, Cuba; 18 cryptomelane, standard sample;...Ocean floor, it always predominates sharply over todorokite. In the oceanic ironmanganese nodules that we...usually feroxyhyte; rarely or very rarely found are todorokite, crypto melane, goethite, lepidocrocite, clinochrysotile...manganese (McKenzie, 1971). In comparison with todorokite, vernadite forms in a more oxidizing medium; |  | | Journal (article/letter/editorial) | | romanechite, sodium manganese(Il,flI) manganate(Iv), todorokite, and woodruffite. The spectraindicate that well-orderedwater...the spectraof nsutite,hollandites,birnessite,todorokite, buserite,and rancieite.The infrared spectraof...structural disorder. Spectraltrendssuggestthat todorokite,birnessiteand rancieitehavelayeredstructures...Ransdelllte Mn0, 20 2I 22 Chlhuahua, Mexlco Black Maglc Mine, Callf. Lake Valley, New Mexlco cIT 9439 CIT 9440...Cryptonelane KMn^0.. 26 27 28 Chlhuahua, Mexico Patagonia Mine, Arizona Tioulne, Morocco CIT 9441 HWT AR-22 HI''T |  | | Journal (article/letter/editorial) | | comparative study of t o d o r o k i t e from Charco Redondo, Cuba and the manganese minerals described under...n p a t t e r n of t o d o r o k i t e from Charco Redondo remained unchanged, whereas the p o s i t i... V . V . , 1 9 7 8 , STRUCTURAL VARIETIES OF TODOROKITE: AN SSSR I z v e s t i y a , s e r . g e o l...m i n e r a l with tunnel s t r u c t u r e . Todorokite is c h a r a c t e r i z e d by a r a t h e r...V . , 1 9 8 1 , NEW STRUC TURAL VARIETIES OF TODOROKITE: AN SSSR I z v e s t i y a , s e r . g e o l |  | Hodges, C.A., Cox, D.P., Singer, D.A., Case, J.E., Berger, B.R., Albers, J.P. (1984) U.S. Geological Survey-INGEOMINAS mineral resource assessment of Colombia. Open-File Report Vol. 1984 (84-345) US Geological Survey doi:10.3133/ofr84345 | Report (issue) | | areas may be appropriate. 12° SIERRA NEVADA DE SANTA MARTA Figure 1. Geologic provinces of Colombia...uplift is post-middle Miocene. The Sierra Nevada de Santa Marta, a triangular-shaped fault-bounded block on...Basin), the Serrania de Perija and Sierra Nevada de Santa Marta (Cesar Basin), and along the Caribbean margin...Chromite has been produced in Colombia from the Santa Elena podiform deposit, associated with serpentine...detailed gravity surveys were used successfully in Cuba (Davis and others, 1957; 1960; 1980; Hammer and |  | | Book | | localities in the Southern Borderland Seamount Province (Krause, 1961) and in the vicinity of the Mendocino...seamount environment. The common occurrence of todorokite in Blake and Campbell Plateau nodules ENVIRONMENTS...principal mineral, with subordinate amounts of todorokite (Cronan, 1967; Glasby, 1972a; Scott et al., 1972a)...were taken in the Southern Borderland Seamount Province off Mexico, adjacent to an arid region in which...Mineralogically, they consist principally of todorokite (Glasby, 1972a) and their outstanding chemical |  | | Report (issue) | | Structural geology Detachment faults in the central Santa Monica Mountains, Calif., by R. H. Campbell, R....__________________________ Strontium-bearing todorokite from Soganliylirlik, Turkey, by A. S. Radtke...RESEARCH 1966 DETACHMENT FAULTS IN THE CENTRAL SANTA MONICA MOUNTAINS, CALIFORNIA By R. H. CAMPBELL...Los AngeZes County, OaZif. Abstraot.-The central Santa Monica Mountains are made up of sedimentary and...of the Rort exposed in the core of the Eastern Santa Monica Mountains. Structurally, these strata form |  | | Report (volume) | | based on considerations that extend far beyond the mine itself, in some instances relating to the overall...subject, as in a scale model of the workings of a mine, to a unifying concept that explains or describes...government believed might someday be economic ta mine. Stratiform deposits of large areal extent, such...EXAMPLES High Plateau, Del Norte Cty, USCA Coto Mine, Luzon, PLPN (Wells and others, 1946) (LeBlanc...DEPOSITS Name Ace of Spades Adobe Canyon Gp. Ajax Alice Mine Allan (Johnson) Alta Hill Althouse Alyce and Blue |  | | Journal (issue) | | Unusual Crystallization or... Mineral Pathology? //Mine mlogicheskii zhurnal. 1989.1.11, N 2. p.96-98. 10...during the warm season. Only a watchman stays at the mine through the winter. Last year, the teamleader Vasilii...in the Urals, in the settlement of the Frolovskoe Mine, a subsidiary o f the Bogoslovsk Works. His name...1930 during aeroplane photography. Green Monster Mine, Prince of Wales isl.: !1 epidote; limonite after...Harbour. Baffin island; *1963 — molybdenite3R — Con mine, Yellowknife; !I pyrite — Nanisivik deposit. Baffin |  | | Book | | by manganite (or buserite by Giovanoli, 1980), todorokite, asbolan and laminated mineral - asbolan - buserite;...artefact - a product of the transformation of todorokite with a low content of nickel and copper (Dymond...2+ Monoclinic (Ca,Na,K)(Mg,Mn2+)Mn5012XH20 Todorokite Hexagonal Triclinic Monoclinic or Orthorhombic...(1983) has noted that sulphide minierals occur in todorokite as microtnclusions. Parameters typical of sulphide...metals in nodules from the Clarion-Clipperton province* ..... ""to [Jl tr:I t""' C 0 b Z tr:I |  | | Book | | by manganite (or buserite by Giovanoli, 1980), todorokite, asbolan and laminated mineral - asbolan - buserite;...artefact - a product of the transformation of todorokite with a low content of nickel and copper (Dymond...2+ Monoclinic (Ca,Na,K)(Mg,Mn2+)Mn5012XH20 Todorokite Hexagonal Triclinic Monoclinic or Orthorhombic...(1983) has noted that sulphide minierals occur in todorokite as microtnclusions. Parameters typical of sulphide...metals in nodules from the Clarion-Clipperton province* ..... ""to [Jl tr:I t""' C 0 b Z tr:I |  | | Journal (issue) | | Fundstelle „Rurnrneltal" etwa einem Todorokit von Charco Redondo, Cuba, mit der Formel (Mn.Ca,Ba,Na,Fe ,Al) 3 O...durch Oberflächenwässer beeinflußt, sollten die Todorokite (mit der Einschränkung der unterschiedlichen...Todorokit von der Schwäbischen Alb wechselwirkenden Todorokite übertragen heißt das. daß sie zuletzt mit einer...Graphit unterstützen die deutlichen Ba-Gehalte der Todorokite die Vorstellung, wonach die CalcitMangan-Mineralisationen...Azurite aus Tsumeb , Super-Dioptase der Steiner. Mine/Kaokoveld, ca 25 sehr gute TrepcaStufen . Günter |
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Charco Redondo Mine, Santa Rita, Granma Province, Cuba