 | | Journal (article/letter/editorial) | | volcanogenic sulphide deposits in the Troodos ophiolite, Cyprus Part 1–The deposits of the Solea graben N. G. Adamides*...Adamides* The Solea graben in the Troodos ophiolite of Cyprus is host to some of the largest and richest cupriferous...surface of the ocean floor. A special case is the Phoenix deposit which is the result of supergene enrichment...setting. Keywords: Troodos ophiolite, Solea graben, Cyprus, VMS deposits, Mineralisation, Copper Introduction...Geochemical studies, particularly subsequent to the Cyprus Crustal Study Project, resulted in the refinement |  | Bost, Nicolas, Westall, Frances, Ramboz, Claire, Foucher, Frédéric, Pullan, Derek, Meunier, Alain, Petit, Sabine, Fleischer, Iris, Klingelhöfer, Göstar, Vago, Jorge L. (2013) Missions to Mars: Characterisation of Mars analogue rocks for the International Space Analogue Rockstore (ISAR) Planetary and Space Science, 82. 113-127 doi:10.1016/j.pss.2013.04.006 | Journal (article/letter/editorial) | | iron formation -BIF-), and the phyllosilicate nontronite (a clay). All the samples were characterised...phyllosilicates, such as Fe-Mg smectites (saponite, nontronite) in the first period, and Al-rich smectites under...3-5 wt% in the Martian polar soils during the Phoenix mission (Boynton et al., 2009). Finally, recent...Olympus sequence of the Troodos ophiolitic unit, in Cyprus (N 35°04756, E 32°54583). The sample was obtained...8. 10AR01, artificial Fe-nontronite The sample 10AR01 is a pure Fe-nontronite synthesised at 150°C in |  | | Journal (article/letter/editorial) | | rest on a cavity coating of nontronite, and occasionally the nontronite is included in the analcime crystals...crystals. The nontronite has a radiating spherulitic structure and shows considerable pleochroism, from...other members of the nontronite-beidellite series. Microchemical tests of the nontronite showed the presence...smaller amounts of calcium and aluminum. The nontronite was probably derived from the basaltic glass...by Allen and Scheid (3). Although most of the nontronite was depositedbefore the formation of the zeolites |  | Dekov, Vesselin M., Kamenov, George D., Stummeyer, Jens, Thiry, Médard, Savelli, Carlo, Shanks, Wayne C., Fortin, Danielle, Kuzmann, Ernő, Vértes, Attila (2007) Hydrothermal nontronite formation at Eolo Seamount (Aeolian volcanic arc, Tyrrhenian Sea) Chemical Geology, 245 (1) 103-119 doi:10.1016/j.chemgeo.2007.08.006 | Journal (article/letter/editorial) | | www.elsevier.com/locate/chemgeo Hydrothermal nontronite formation at Eolo Seamount (Aeolian volcanic...Tyrrhenian Sea. The clay bed is composed of pure nontronite (described for the first time in the Tyrrhenian...Sea), which appears to be the most aluminous nontronite ever found among the seafloor hydrothermal deposits...hydrothermal solutions. The REE distribution of the Eolo nontronite has a V-shape pattern. The heavy REE enrichment...due to their preferential partitioning in the nontronite structure. This enrichment was possibly further |  | Steiner, M.H., Hausrath, E.M., Elwood Madden, M.E., Tschauner, O., Ehlmann, B.L., Olsen, A.A., Gainey, S.R., Smith, J.S. (2016) Dissolution of nontronite in chloride brines and implications for the aqueous history of Mars. Geochimica et Cosmochimica Acta, 195. 259-276 doi:10.1016/j.gca.2016.08.035 | Journal (article/letter/editorial) | | Accepted Manuscript Dissolution of Nontronite in Chloride Brines and Implications for the Aqueous History...A., Gainey, S.R., Smith, J.S., Dissolution of Nontronite in Chloride Brines and Implications for the Aqueous...apply to the journal pertain. Dissolution of Nontronite in Chloride Brines and Implications for the Aqueous...impacted clay minerals such as the Ferich mineral nontronite found in martian ancient terrains. To interpret...measure the apparent dissolution rate constant of nontronite at 25.0 °C at activities of water (aH2O) of 1 |  | | Journal (article/letter/editorial) | | Soc. London, 23, 3. Beraunite recorded from Roury mine, Glandore, Co. Cork (A. Russell 1923, Mineral. Mag...H. Church 1865, J. Chem. Soc. 18, 213. Botallack Mine, Cornwall. [A distinct mineral, but requires further...McLintock 1910, Mineral. Mag. 15, 413. Lizard district, Cornwall. [Botryolite = var. of Datolite (Hey...1908, Mineral. Ma 9. 15, 285. Hingston Down Consols Mine, Calstock, Cornwall. Cathkinite (Glen and Young...Russell 19tl, Nature, 86, 180. Benallt manganese mine, Caernarvonshire. See also, L. J. Spencer 1942, |  | | Journal (article/letter/editorial) | | amorphous silica in experimental systems with nontronite (NAu-1) and Shewanella oneidensis MR-1 Yoko Furukawa...were observed in laboratory systems containing nontronite NAu1, Shewanella oneidensis strain MR-1, and...(Urrutia and Beveridge, 1994; Fein et al., 2002; Phoenix et al., 2003). The precipitation of amorphous silica...oneidensis MR-1), model dioctahedral clay mineral (nontronite NAu-1), and aqueous interstitial water (low ionic...Experimental procedure 2.1. Starting materials Nontronite NAu-1 (Clay Minerals Society Source Clays Repository) |  | | Journal (article/letter/editorial) | | East Iceland: beudantite, 431 Pengenna (Trewethen) mine, St. Kew: pitchsbone, oligoclase, 587 Sellatur...WALES Adamite, hiibnerite, xliv Billingham anhydrite mine, Durham: aph~hitalite(?), arsenopyrite(?), epsomite...cornubite, 1 Treburland mine, Altarnun: genthelvite, molybdenite, 921 Treore mine, St. Teath: beudantite...jamesonite, mimetite, scorodite, stibnite, 431 Tretoil mine, Lanivet: danalite, garnet, ilvaite, 921 Wheal Betsy...Wheal Maudlin, Lanlivery: danalite, 921 Wheal Phoenix, Lin]cinhorne: cornubire, 1 net, pyrosmalite, |  | Clark, Joanna, Sutter, Brad, Archer, P. Douglas, Ming, Douglas, Rampe, Elizabeth, McAdam, Amy, Navarro-González, Rafael, Eigenbrode, Jennifer, Glavin, Daniel, Zorzano, Maria-Paz, Martin-Torres, Javier, Morris, Richard, Tu, Valerie, Ralston, S. J., Mahaffy, Paul (2021) A Review of Sample Analysis at Mars-Evolved Gas Analysis Laboratory Analog Work Supporting the Presence of Perchlorates and Chlorates in Gale Crater, Mars. Minerals, 11 (5) 475 doi:10.3390/min11050475 | Journal (article/letter/editorial) | | 2.2. Detection of Oxychlorines on Mars 2.2.1. Phoenix Wet Chemistry Lab The first in situ detection of...from the Wet Chemistry Lab (WCL) on board the Phoenix spacecraft, which landed in the northern polar...perchlorates present at the landing site [13,15]. 2.2.2. Phoenix Thermal and Evolved Gas Analyzer Soils analyzed...supported the presence of oxychlorine species at the Phoenix landing site [13]. The TEGA instrument consisted...supported the presence of oxychlorines at the Phoenix landing site [13]. 2.2.3. Viking Landers A study |  | | Journal (article/letter/editorial) | | 1992). The common minerals identified are pyrite, nontronite (Fe-smectite), analcime, thomsonite, mesolite...filiform wires that are often encrusted with nontronite (figures 10 and 11). Filiform wires are occasionally...pyrite coated with small spherical masses of nontronite. Equant crystals in background are analcime....magnification 48Ox. Figure I0 (left): Blue-gray nontronite coating fiiiform pyrite crystals; vesicle size...mm. Photomicrograph. Figure 11 (right): Black nontronite sphere impaled on tip of filiform pyrite; sphere |  | | Journal (article/letter/editorial) | | intermediate composition between the two end-members nontronite and saponite. This composition could correspond...two different smectites: one dioctahedral (i.e. nontronite) and one trioctahedral (i.e. saponite or stevensite)...Incongruent, Leached Layer, Montmorillonite, Nontronite, Palagonite, Saponite, Smectite, TEM. INTRODUCTION...on an FEI XL-30sFEG SEM equipped with an EDAX Phoenix EDS system. For SEM analyses, the samples were...scanning electron microscope equipped with an EDAX Phoenix EDS X-ray microanalyzer. 624 Drief and Schiffman |  | | Report (issue) | | A.-Geology and are deposits of the Tombstone district, Arizona: Univ. Ariz., Ariz. Bur. Mines Bull....4:03 Ransome, F. L.-Geology of the Globe copper district, Arizona: U.S. Geol. Survey Prof. Paper 12, 1903...-Ore deposits of the Saddle Mountain and Banner district, Arizona: U.S. Geol. Survey Bull. 771, 1925. Graham...-Geology and ore deposits of the Aravaipa and Stanley district, Graham County, Arizona: U.S. Geol. Survey Bull...Waldemar-The copper deposits of the Clifton-Morenci district, Arizona; U.S. Geol. Survey Prof. Paper 43, 1905 |  | | Journal (article/letter/editorial) | | barite, quartz, and quartz xls, bornite, chrome nontronite, saponite, calcite, specularite, micaceous iron...the abandoned dumps of the Holmes and Cliff Shaft Mine. Cau tion: Permission must be obtained in the latter...Pit, and near County Road 581 near the Greenwood Mine road intersection. Magnetite is a mineral that is...Magne tite is found at the Greenwood Mine and the Champion Mine. The best grade and best looking specimens...specimens coming from the latter mine. Magnetite is the associated mineral in every case when one finds |  | | Catalog/List | | rix. -rixl-t".£3.25. 7. APATITE. Etiro Mine Karibab District, S.W. Africa. Unusual turquoise blue pure... £1.25. 8. APATITE variety FRANCOLITE. Clitters Mine, Gunnislake, Cornwall. Rich crusts of sparkling...matrix. 2xli". £2.75. ARSE~UPYRITE. Devon Friendship Mine, Mary Tavy, Devon. Slightly tarnished sharp silvery...this specimen. 3x2xl~". £6.50. BARYTES. Font Sante Mine, Esterel Var, France. L.ustrous creamy white sharp...specimen for display. 5x4x4". £11.00. BARYTES. Wetgrove Mine, Aysgarth, Yorkshire. Lustrous transparent to translucent |  | | Book | | after argentite. Wheal. Ludcott, St Ive New Trelawny Mine, St Ive Wheal Herland, Gwinear Wheal Ann, Phillack...Illogan Dolcoath Mine\North Dolcoath, Camborne Wheal Langford, Calstock Mount Mine, Perranuthnoe Greystone...Mag., 1, 55. Roscommon Cliff, St.Just Stenna Gwyn Mine, St. Stephen in-Brannel Rock Hill Tin Works, St...Dolcoath Mine, Camborne Wh.Maudlin, Lanlivery Clicker Tor Quarry, Menheniot Gt. Retallack Mine, Perranzabuloe...No. 100. Penberthy Croft Mine, St Hilary Wheal Carpenter, Gwinear Pengenna Mine, St Kew Adularia, variety |  | | Report (issue) | | silver, and lead. Tombstone district, with lead-silver ores. Pearce district, with silver ores. Dragoon...Dragoon Mountains, Manzoro district. Dos Cabezas Mountains, Dos Cabezas and Teviston districts. Huachuca Mountains...County-Globe-Miami district, with ores of copper and silver. Dripping Spring Mountains, Barnes district, with ores...and silver. Payson district. Graham County-Galiuro Mountains, Rattlesnake district. Pifialeno Mountains...County-Clifton-Morenci district, with ores of copper and silver. Maricopa County-Vulture district, with lead and |  | | Journal (article/letter/editorial) | | silica-rich systems (e.g., hydrothermal springs; acid mine tailings: Konhauser and Ferris, 1996; Fortin and...act as SiO2 templates (Guidry and Chafetz, 2002; Phoenix et al., 2003; Yee et al., 2003; Rodgers et al....number of reactive binding sites (Cox et al. 1999; Phoenix et al., 2002; Martinez et al., 2003; Yee et al...with bacterial metabolism (Phoenix et al., 2001; Nassif et al., 2002; Phoenix and Konhauser, 2008), the...biominerals has been previously observed for acid mine drainage microbially associated Mn-oxyhydroxide |  | | Report (volume) | | complexly zoned garnets from oxidized skarn, Surprise Mine, Nevada 16 Ternary diagrams showing ranges of garnet...north-central Nevada 60 Chemical signatures of nontronite clay layers associated with gold-bearing skarns...from gossaniferous skarn at the Mottini Mine, IXL Mining District, Nevada (table 4), subsequent geochemical...David A. John, written common., 1989). The Cable Mine in the Southern Flint Creek Range, Montana, has...(1933) classified the Cable Mine, along with deposits in the Hedley district of British Columbia, as a |  | | Journal (article/letter/editorial) | | Akaganeiteb Fe(O, OH, Cl) Fe/Mg smectites (e.g., nontronite, saponite) (Ca, Na)0.3−0.5 (Fe, Mg, Al)2−3 (Al...reviewed in Niles et al. (2013) (square indicates Phoenix lander soil carbonate). Sulfate detections are...phyllosilicate Low-calcium pyroxene Smectite Smectite Nontronite d Illite e f Halite Chlorite/prehnite Fe/Mg...Olivine Sulfate j i Olivine Mg carbonate Nontronite Al phyllosilicates Prehnite and chlorite Hydrated...sand dunes. (c) Aluminum phyllosilicates overlie nontronite-bearing sediments at Mawrth Vallis and may have |  | | Journal (article/letter/editorial) | | Three reference smectites, namely, Garfield nontronite, ferruginous smectite (SWa-1), and Upton, Wyoming...Ferruginous Smectite, Garfield, Montmorillonite, Nontronite, Oxidation, Redox, Reduction, , Upton. Abstract...preparation The clays used in this study were Garfield nontronite sample API 33a (Garfield, Washington, obtained...Table 1. A spectrum of bacteria-reduced Garfield nontronite (BRG) is also shown to illustrate the extent...deconvolution of the OH-stretching bands for Garfield nontronite (Figure 2, Table 2), ferruginous smectite SWa-1 |  | | Journal (article/letter/editorial) | | 104 136 136 151 151 Hematite Goethite Jarosite Nontronite Olivine (Forsterite) Basaltic lava Enstatite...Cunje et al., 2018 for clays (montmorillonite and nontronite). Dielectric data have been collected to our...in Table 1, at 1 M Hz). For montmorillonite, nontronite and jarosite, the only dielectric constant value...photo-degradation, and this is observed for olivine, nontronite and gypsum. As higher attenuation coefficients...gypsum, hematite, jarosite, montmorillonite, nontronite, olivine, saponite and basaltic lava. A detailed |  | | Book | | Oronto Group a.. 3: co w C: _J 0 0 Marquette Iron District, Baraga and Marquette Counties diabase dikes...that the value of a single large high-grade diamond mine may exceed $10 billion, further exploration in Michigan...important to remember that whether or not a diamond mine is ever established in Michigan, Michigan kimberlites...DetroitSalt Mine, 365 metersbeneaththe cityofDetroit.Photographcourtery ofthe DetroitSalt Mine, DetroitSalt...until the closure of the Alabastine mine in 1943. In 1946 the mine was purchased by the Michigan Natural |  | | Journal (article/letter/editorial) | | silicate fades at the Mary Charlotte trough 1113 Mine 1114 2.—Cross section showing the relationship of...Gogebic, and the western portion of the Marquette district, where it is associated with other amphiboles...mineral was first recognized in the Lake Superior district by Grout and Thiel (1924, p. 228-231) in veins...ferruginous upper Huronian slates of the Crystal Falls district, and Pettijohn (1946) reports that it is abundant...abundant in the hanging-wall slates of that district. Stilpnomelane 1103 is very abundant in the metamorphic |  | Poch, Olivier, Jaber, Maguy, Stalport, Fabien, Nowak, Sophie, Georgelin, Thomas, Lambert, Jean-François, Szopa, Cyril, Coll, Patrice (2015) Effect of Nontronite Smectite Clay on the Chemical Evolution of Several Organic Molecules under Simulated Martian Surface Ultraviolet Radiation Conditions. Astrobiology, 15 (3) 221-237 doi:10.1089/ast.2014.1230 | Journal (article/letter/editorial) | | Liebert, Inc. DOI: 10.1089/ast.2014.1230 Effect of Nontronite Smectite Clay on the Chemical Evolution of Several...in interaction with the Fe3 + -smectite clay nontronite, one of the most abundant phyllosilicates present...organics. For each molecule, we observed how the nontronite influences its quantum efficiency of photodecomposition...reveal a pronounced photoprotective effect of nontronite on the evolution of glycine and adenine; their...of molecules per gram of nontronite. Moreover, when the amount of nontronite in the sample of glycine |  | Schwenzer, S.P., Abramov, O., Allen, C.C., Clifford, S.M., Cockell, C.S., Filiberto, J., Kring, D.A., Lasue, J., McGovern, P.J., Newsom, H.E., Treiman, A.H., Vaniman, D.T., Wiens, R.C. (2012) Puncturing Mars: How impact craters interact with the Martian cryosphere. Earth and Planetary Science Letters, 335. 9-17 doi:10.1016/j.epsl.2012.04.031 | Journal (article/letter/editorial) | | predicts will include hydrous silicates (e.g., nontronite, chlorite, serpentine). Thus, even small impact...and 1000, Fig. 4) di-octahedral smectite, Mg-nontronite (e.g., Mg0.33Fe4(Al2Si6O20)(OH)4.nH2O), may form...parameters such as oxidation state. For example, the nontronite–serpentine assemblage found in the nakhlites...(Harder, 1976; Grauby et al., 1994), terrestrial nontronite formation (e.g., Dekov et al., 2007), and observations...the following assemblage to form (Fig. 4): Mg-nontronite (53.84 wt%; Mg0.33Fe4(Al2Si6O20)(OH)4.nH2O), |
|
