 | | Report (issue) | | (Ca0:5 ; Na)0:3Fe 3+ 2 (Si; Al)4 O10(OH)2 nH2 O Nontronite ° c 2001 Mineral Data Publishing, ver sion 1...14.8{15.8 ¯ = » 90± X-ray Powder Pattern: Nontron, France. 15.4 (vs), 4.56 (vs), 2.64 (vs), 2.56 (vs)...Total 99.01 (2) 2.29 7.25 15.09 100.38 (1) Nontron, France. (2) Colfax, Washington, USA; corresponds to...well-characterized material include: near Saint-Pardoux, Dordogne, France. At Froland, Norway. From Vittensten, Sweden...the occurrence near Saint-Pardoux, Nontron Arrondissement, France. Type Material: Harvard University |  | | Journal (article/letter/editorial) | | South Alabama Mobile, Alabama 36688 Abstract Nontronite, the iron-rich end member of SmectiteGroup clays...in gneissesand slates.At the other sites,non- Nontronite isaSmectire Group which.ff,T'Lffi'"fff"#:j""1|#...sub-group montmorillonite-beidelliteio.uri,v,Nontron,France,Berthier(1g27)descri6ed nontroniteseries'It...into the surroundinggranites.The 840 PRIMARY NONTRONITE FROM VENEZUELA 841 dioctahedraliron end-memberof...6zXFeo)Orr(O H)a Ftc. t. Map showing Venezuelan nontronite locality and outcrop of Precambrian and younger |  | | Journal (article/letter/editorial) | | shrinkage. Six samples, including montmorillonite, nontronite, and beidellite were investigated. Their chemical...difference in refractive indices between the two nontron]tes is specially remarkable in view of their chemical...as far as the X-ray evidence goes, by h~ating nontronite in a bomb to 575~ C. s The numbers I to VI of...indices of samples investigated. MontmoBeidellite Nontronite Magnesiumrillonite ~ ~ beideUite I. II. III....(4b). IV. Nontronite, Nontron, Dordogne; also clay 1.2. P. Berthier, 1827 (5). v. Nontronite, Behenjy |  | | Journal (article/letter/editorial) | | from Nontron, pep$, View Article Online 150 ABSTRACTS OF CHEMICAL PAPERS, Dordogne, France. It is...is soft, compact and opaque, and resembles nontronite (Fe,03,3Si0, 5H,O) in appearance, but differs from...Fe,O,SSiO, i- 2H,O. Some previous analyses of nontronite and other varieties of chloropal show considerable |  | | Journal (issue) | | Auvergne, France LE REGNE MINERAL # 84, 12.08 5- 22 Minéralogie des Mines du Nontronnais, Dordogne 23-24...Cantonnier, Nontron, Dordogne 26-33 Minéralogie de la carrière Tabataud, Nontron, Dordogne 34-35 La nontronite...nontronite : de la Dordogne à la surface du sol de Mars ! 36-39 La crocoïte 40-50 Les minéraux de titane |  | | Report (issue) | | Hectorite....................................... Nontronite...................................... Volchonskoite........... Nontronite.................................. Montmorillonite-beidellite-nontronite series..... 58 8. Electron micrographs of hectorite and nontronite................................................................................ Analyses of nontronite................................................oo] Oio[OH] 2 . +3 T Nontronite Fe 2.0o[Al.33Si3.67] Oi 0 [OH] 2 Nontronite (aluminian) Fe 2.i7 [A1 |  | | Journal (article/letter/editorial) | | 40 Ave du Recteur Pineau. 86022 POITIERS-Cedex, France A b s t r a c t - - A new method for the prediction...Hectorite, Hydration, Illite, Montmorillonite, Nontronite, Saponite, Sauconite, Stevensite, Vermiculite...305A1t.s75Fe3*0 t4)(Si~.v~Alo.215)Ore(OH )~ Nontronite, Saponite, Beidellite, Vermiculite, and Glauconite...Vermiculite t~ H Libby Vermiculite t~ I I Nontron. Nile Calrd. t~ t2 Nontron. Lake Chad m Beidellite l~ SaponitetO...~4 Ca-Saponite ~'~ K-Nontronite ~4 Na-Nontronite t4 Mg-Nontronite ~4 Ca-Nontronite t4 Smectite low Fe/iVlg |  | | Journal (article/letter/editorial) | | II) Mineral name montmorillonite beidellite nontronite volkonskoite V-smectite Principal octahedral...substitutions, such as natural beidellite and nontronite, have only trans vacancies (FIG. 2). They have...trioctahedral domains in the octahedral sheets of nontronite. The decay of organic matter can also induce...Montmorillonite A clay found near Montmorillon, France; named by Cronsted in 1788 and later referred to...accessible. Nontronite Name used by Berthier in 1827 for clay in a manganese ore from Nontron County near |  | Ogorodova, L. P., Kiseleva, I. A., Melchakova, L. V., Vigasina, M. F., Krupskaya, V. V., Bugel’skii, Yu. Yu. (2014) Thermodynamic properties of Fe-rich smectite-nontronite. Geochemistry International, 52 (5) 421-427 doi:10.1134/s0016702914030057 | Journal (article/letter/editorial) | | Thermodynamic Properties of FeRich Smectite—Nontronite L. P. Ogorodovaa, I. A. Kiselevaa, L. V. Melchakovaa...results of thermochemical studies are reported for nontronite samples from the Pinaresde Majari (Eastern...per 1 mole H2O. The enthalpy of formation of nontronite of theoretical composition Mg 0. 15Fe 32+[Si...of the nontronites were calculated. Keywords: nontronite, microcalorimetry, enthalpy of dehydration, enthalpy...DOI: 10.1134/S0016702914030057 INTRODUCTION Nontronite, the ironrich dioctahedral smectite, is widespread |  | | Journal (article/letter/editorial) | | sites of nontronite, Key Words-Interlayer cation, Iron, Mossbauer spectroscopy, Nontronite, Structural...INTRODUCTION In recent years the Mossbauer spectrum of nontronite (idealized composition = (Cao,s,Na)o,66FeH iSi...showed that for untreated, Ca- and K-saturated nontronite from Garfield, Washington (GAR), the parameter...Table 1 of Goodman et al. (1976). 3 This actual nontronite composition could not be determined as the sample...determined by assuming the Si0 2 content of the nontronite to be equal to the mean of the other samples |  | | Journal (article/letter/editorial) | | manganese. 11. Sp. Nontronite. Discovered at Nontron, in the Department of Dordogne, France, arid described...second, would constitute nontronite. On this view of its constitution, nontronite might be represented by |  | | Journal (article/letter/editorial) | | structural iron in micaceous vermiculites, soils, nontronite, and muscovite. An increase in Fe2+ on deferration...southeast of White Mountain Peak (Mono County, CA). Nontronite (Wards, Clay Mineral Standard H-33a, Garfield...overnight at 75-80°C before size fractionation. The nontronite sample was dispersed ultrasonically in the presence...NazSzOcNa citrate-NaHCOa treatments (Table 1). The nontronite and muscovite samples were exceptional in that...released from the nontronite was attributed to a small amount of decomposition of the nontronite and its ferrugineous |  | | Journal (issue) | | Nontronnais (Dordogne) – L’embreyite et l’hisengerite du filon du Cantonnier (Dordogne) – Minéralogie...Minéralogie de la Carrière Tabataud Nontron (Dordogne) La nontronite: de la Dordogne à la surface du sol de Mars |  | | Journal (article/letter/editorial) | | analyzed samples of kaolinite, dickite, halloysite, nontronite, montmorillonite, illite, attapulgite and pyrophyllite...include kaolinite, dickite, nonhydrated halloysite, nontronite, montmorillonite, illite, attapulgite and pyrophyllite...coordination in the rangefrom 400 to 500" C. NoNrnourrp Nontronite is the iron-rich member of the montmorillonite...group. Since the r-ray difiractometerpatterns of nontronite summarizethe behavior of the montmorillonite...first. The few, diffusereflectionsrecordedfor nontronite in Fig. 4 represent only (001) and (hhj) spacings |  | Hekinian, Robert, Hoffert, Michel, Larque, Philippe, Cheminee, Jean-Louis, Stoffers, Peter, Bideau, Daniel (1993) Hydrothermal Fe and Si oxyhydroxide deposits from South Pacific intraplate volcanoes and East Pacific Rise axial and off-axial regions. Economic Geology, 88 (8) 2099-2121 doi:10.2113/gsecongeo.88.8.2099 | Journal (article/letter/editorial) | | IFBEMER/Centrede Brest,B.P. 70, 29280Plouzan•,France MICHELHOFFERT, PHILIPPE LARQU•;, UuiversitdLouisPasteur...UuiversitdLouisPasteur,28, rue Goethe,67083 Strasbourg, France JEAN LOUISCHEMIN.6•E, Observatoire Volcanologique...Volcanologique, IPG, 4 PlaceJussieu, 75252Paris,France PETERSTOFFERS, Geologiche-Paleontologisches, InstitutundMaseumder...IFREMER/Centrede Brest,B.P. 70, 29280Plouzand, France Abstract Fe- and Si-richoxyhydroxidedepositsare...also formingchimneys andmounds enrichedin clay(nontronite),depletedin tracemetals,•vithSi andFe contentsof |  | | Journal (article/letter/editorial) | | the cell Halloysite was introduced iron rich nontronite results Minerals indicate was formed that...orientation patterns sediments: (A) heating of nontronite untreated, treatment (B) at 600•Ž in E.G...4-7 of bacteria Nos. 1-3 associated not nontronite, with treated, Nos. 8, Nos. 9 non 4-9...indicated by arrow. Bacteria are covered with nontron ite on the cell walls. よび9は 示 す.細 胞壁の た,超 音...堆 積 物 中 に あ る チ ュ ー ブ 状 の ノ ン トロ ナ イ トを 電 子 nontronite 顕 微 鏡 で 観 察 し,そ の 形 態,組 成,酸 素 同位 体 分 析 か |  | | Journal (article/letter/editorial) | | compact. Fe~()a.3Si02+2H,~O. Nontron, France. Differs from ehloropal (nontronite)in having 2H20 instead of |  | | Journal (article/letter/editorial) | | Microcaverns in sandstone filled with nontronite, ×100 (a) and wormlike nontronite segregations in a microcavern...development of mixedlayer minerals (montmorillonite and nontron ite) replacing primary feldspars. It cannot be...forma tion of clay minerals (montmorillonite, nontronite) at the base of the vertical orecontrolling |  | | Book | | brunâtre (Birmanie) Tête de hache en jade clair (Nouvelle-Zélande) Jade mixte, brun et impérial (travail...stalactiforme et rubanée sont en Oural et au Katanga. En France, hormis la célèbre mine de Chessy (localité-type...Chine, en Russie, au Kazakhstan, en Birmanie, en Nouvelle-Zélande, en Californie, en Méso-Amérique (surtout...du cristal primitif disparaît à la faveur d’une nouvelle forme qui semble très différente. C’est ainsi...de quartz (4 m de haut), Saint-Paul-la-Roche (Dordogne ; il fut hélas dynamité) Comment identifier les |  | | Book | | constituent from Attapulgus, Georgia and Mormoiron, France, attapulgite. This is a hydrous magnesium aluminum...hydrated alumina from Beaux (or Baux) near Aries, France. The chemical analysis he obtained from this material... (1878) Sur le bravaisite, substance minerale nouvelle Soc. franp. mineralogie Bull., tome 1, p. 5-8...CHLOROPHAEITE. to the Iron enriched beidellite (nontronite). This group decomposition products of olivine...locality under the name unghwarite. The name nontronite was later used for what was apparently the same |  | | Book (volume) | | l’Institut Muséum d’histoire naturelle DE LA FRANCE ET SES COLONIES DK description physique et chimique...strüvérite et la inonazite. MINÉHALÜGIE DE IA FRANCE 4 lima paru dès le premier abord vraisemblable...0;09 1120 10,90 : ana- MlNKliALOGIK DK (i FRANCE ],A (>nOUPE DE L’APATÏTE APATITE Anjou. (T...0,3930 : 1 : 0,4339] 8 MINÉKALOGIE DE LA FRANCE Ces nouvelles données permettent de simplifier.../r"(o30), lŸ (320). (443), dü MINÉRALOGIE DE LA FRANCE — Madagascar. La région minière d’Andavakoera |  | | Book | | se développe actuellement, PREFACE est une nouvelle étape dans cette 9 direction. L’absorption...disciplines. C’est ainsi que dans de nombreux pays et en France en particulier, ont été créés des Groupes d'étude...des peu impor- INTRODUCTION 13; on ique En France, est paru ré mment le traité de C. A. Jouenne,...anciens traités, tels que : la Minéralogie de la France et de ses anciens territoires d’outre-mer, de A...Dana. tirage), — E. S. Dana. System — de la France Librairie of Mineralogy, Textbook 142. 43-61 |  | | Journal (article/letter/editorial) | | are most similar in composition to smectites, nontronite and montmo rillonite [12]. The EDS analysis...in composition to montmorillonite and, in part, nontron ite, i.e., smectite with a lower iron content...platy grains of smec tite (montmorillonite and nontronite), which controls the intensity of green color |  | Tu, Valerie M., Rampe, Elizabeth B., Bristow, Thomas F., Thorpe, Michael T., Clark, Joanna V., Castle, Nicholas, Fraeman, Abigail A., Edgar, Lauren A., McAdam, Amy, Bedford, Candice, Achilles, Cherie N., Blake, David, Chipera, Steve J., Craig, Patricia I., Des Marais, David J., Downs, Gordon W., Downs, Robert T., Fox, Valerie, Grotzinger, John P., Hazen, Robert M., Ming, Douglas W., Morris, Richard V., Morrison, Shaunna M., Pavri, Betina, Eigenbrode, Jennifer, Peretyazhko, Tanya S., Sarrazin, Philippe C., Sutter, Brad, Treiman, Allan H., Vaniman, David T., Vasavada, Ashwin R., Yen, Albert S., Bridges, John C. (2021) A Review of the Phyllosilicates in Gale Crater as Detected by the CheMin Instrument on the Mars Science Laboratory, Curiosity Rover. Minerals, 11 (8) 847 doi:10.3390/min11080847 | Journal (article/letter/editorial) | | An example of the structure of dioctahedral nontronite and trioctahedral saponite demonstrating tetrahedral...of smectite (e.g., saponite, montmorillonite, nontronite) is controlled by the parent material, degree...−4127.91 2914 dioctahedral ~9.22Å/~10Å /4.5Å Nontron Mount Sharp Murray Glasgow Fluvio-Lacustrine...sanidine. SAM EGA data indicate the presence of nontronite in DU based on the H2 O release temperature [126]...acidic and circum-neutral pH conditions [137–142]. Nontronite, montmorillonite, and saponite are typically |  | | Book (volume) | | Muséum d’histoire naturelle MINERALOGIE DE LA FRANCE ET DE SES COLONIES DESCRIPTION PHYSIQUE ET CHIMIQUE...317 352 73 243 5 282 267 MINÉRALOGIE DE LA FRANCE -MACON PR O T AT FRERES, IMPRIMEURS I M-...revue de tout ce que j’ai MINÉRALOGIE DE LA FRANCE H recueilli dans les au cours de ma publication...richesses minéralogiques du sol de la plus grande France, en montrant que ses colonies, tout autant que... mon long ce livre contribuait à stimuler en France l’étude de l’histoire naturelle des minéraux |
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