 | | Journal (article/letter/editorial) | | compounds (LAKIND and STOVE, 1989), ascorbate (ZINDER et al., 1986; BANWAR-ret al., 1989), dithionite...has been successfully applied to dissolution o f gypsum (CHRISTOFFERSEN and CHR1STOFFERSEN, 1976), hydroxyapatite...and hematite by ascorbic acid has been studied by ZINDER et al. (1986), BANWART et al. (1989), DOS SANTOS...for ferrihydrite is comparable to 3" = 1.16 for gypsum dissolution (CHRISTOFFERSENand CHRISTOFFERSEN,1976)...(BANWART et al., 1989) and synthetic goethite (ZINDER et al., 1986). From Eqn. 4, the initial rate (m/too |  | | Journal (article/letter/editorial) | | range of tolerances is observed up to 4000 mmole/L (Zinder, 1993; Ollivier et al., 1994; Waldron et al., 2007)...high salinities, starting at 2000 mmole/L Cl; Zinder, 1993; Ollivier et al., 1994; Waldron et al., 2007)...typically inhibitory for microbial metabolism (Zinder, 1993; Ollivier et al., 1994). Methanogens are...inhibitory to microbial metabolism (>2000 mmole/L; Zinder, 1993; Ollivier et al., 1994). tio 26 37 S “Vern...unlikely to inhibit microbial activity in these wells (Zinder, 1993; Ollivier et al., 1994, and Waldron et al |  | | Journal (article/letter/editorial) | | occurrences of disseminated elemental sulfur in gypsum of the late Miocene Sakarya Formation in Polatli-Sivrihisar...sulfur was formed by reduction of Sakarya Formation gypsum through the metabolic activities of sulphate-reducing...trace-element concentrations obtained on both the gypsum and the elemental sulfur samples. Keywords: Elemental...top: a) massive gypsum, b) laminated anhydrite, c) nodular-brecciated gypsum, d) gypsum arenites, and e)...e) free growing-twinning secondary gypsum crystals (Varol et a1. 2003). Elemental sulfur occurrences |  | | Book | | Delta of the Middle Niger. 6. Volcanic Activity in the Daounas. EASTERN MALI, NIGER AND CHAD 1. The Adrar...Adrar des Iforas. 2. The Bend of the Niger. 3. The Tilemsi Valley, The Asselar Plateau and the Adrar Tiguirirt...conglomerates, sandstones and mottled clays with salt and gypsum. This facies continues into the Infra-Lias. Except...lakes. 2. Laguno-marine clays containing salt and gypsum in the north and east with thin bands of limestone...the Sahara there were lagoons in which salt and gypsum formed true “‘salt rocks’. The Trias outcrops in | | | Book | | elta of the Middle Niger. 6. Volcanic Activity in the Daounas. EASTERN MALI, NIGER AND CHAD 1. The Adrar...Adrar des Iforas. 2. The Bend of the Niger. 3. The Tilemsi Valley, T he Asselar Plateau and the Adrar Tiguirirt...conglomerates, sandstones and mottled clays vvith salt and gypsum. This facies continues into the Infra-Lias. Except...lakes. 2. Laguno-marine clays containing salt and gypsum in the north and east with thin bands of limestone...the Sahara there were lagoons in which salt _and gypsum formed true "salt rocks". The Trias outcrops in |  | Schweitzer, Hannah, Ritter, Daniel, McIntosh, Jennifer, Barnhart, Elliott, Cunningham, Al B., Vinson, David, Orem, William, Fields, Matthew W. (2019) Changes in microbial communities and associated water and gas geochemistry across a sulfate gradient in coal beds: Powder River Basin, USA. Geochimica et Cosmochimica Acta, 245. 495-513 doi:10.1016/j.gca.2018.11.009 | Journal (article/letter/editorial) | | salinity, and temperature (Alperin et al., 1992; Zinder, 1993; Nakagawa et al., 2002; Warren et al., 2004;...the PRB are the result of terrestrial evaporite (gypsum) dissolution and/or pyrite oxidation (Lee, 1981;...ranged from 0.3‰ to 6.5‰ and terrestrial evaporite (gypsum) or pyrite oxidation could be a possible source...15, 153–171. Cadillo-Quiroz H., Yavitt J. B. and Zinder S. H. (2009) Methanosphaerula palustris gen. nov...Yamaguchi T., Brauer S. L., Cadillo-Quiroz H., Zinder S. H. and Imachi H. (2012) Methanolinea mesophila |  | | Journal (article/letter/editorial) | | The Expedition Diapir is composed primarily of gypsum, is intensely deformed, and commonly contains inclusions...the mafic igneous intrusions and the Expedition (gypsum) Diapir, because these formations occur within...is composed of individual radiating, lath-shaped gypsum crystals with trace amounts of anhydrite crystals...from the Deer Bay Formation, and GD-1 represents gypsum collected from the Expedition Diapir. Table 1...readily dissolved Fe oxides and/or oxyhydroxides (Zinder et al., 1986). The fact that we were unable to |  | | Journal (article/letter/editorial) | | and Christoffersen (1976) found that ␥ ⫽ 1.16 for gypsum dissolution, Christoffersen et al. (1978) ␥ ⫽ 0...reduction of ferrihydrite by 10 mM ascorbic acid. Zinder et al. (1986) found for a well crystalline goethite...Fe(III) oxides in seawater. Mar. Chem. 52, 1–16. Zinder B., Furrer G., and Stumm W. (1986) The coordination |  | Russell, Sara S., Zipfel, Jutta, Folco, Luigi, Jones, Rhian, Grady, Monica M., McCoy, Timothy, Grossman, Jeffrey N. (2003) The Meteoritical Bulletin, No. 87, 2003 July. Meteoritics & Planetary Science, 38. doi:10.1111/j.1945-5100.2003.tb00328.x | Journal (article/letter/editorial) | | finders. Adrar Bous, see Saharan meteorites from Niger Aguemour 017, see Saharan meteorites from Algeria...meteorite finds Areshima, see Saharan meteorites from Niger Asuka (A-), see Antarctic NIPR meteorites Bacqueville...vesicles occasionally contain white aggregates of gypsum microcrystals. The meteorite consists of mineral...= 0.07. The meteorite is moderately weathered; gypsum, calcite, celestite, barite, and Fe hydroxides...stone is moderately weathered; calcite, celestite, gypsum, and Fe hydroxides are present. Dhofar 305 is close |  | Kleikemper, Jutta, Schroth, Martin H., Bernasconi, Stefano M., Brunner, Benjamin, Zeyer, Josef (2004) Sulfur isotope fractionation during growth of sulfate-reducing bacteria on various carbon sources. Geochimica et Cosmochimica Acta, 68 (23) 4891-4904 doi:10.1016/j.gca.2004.05.034 | Journal (article/letter/editorial) | | abiotic transformations, e.g., by dissolution of gypsum (CaSO4) from the aquifer matrix (Stumm and Morgan...have been degraded by methanogenic microorganisms (Zinder, 1993). Acetate produced during incomplete degradation...situ hybridization. Arch. Microbiol. 168, 185–192. Zinder S.H. (1993) Physiological ecology of methanogens |  | Bates, Brittney L., McIntosh, Jennifer C., Lohse, Kathleen A., Brooks, Paul D. (2011) Influence of groundwater flowpaths, residence times and nutrients on the extent of microbial methanogenesis in coal beds: Powder River Basin, USA. Chemical Geology, 284 (1) 45-61 doi:10.1016/j.chemgeo.2011.02.004 | Journal (article/letter/editorial) | | and carbon availability (Alperin et al., 1992; Zinder, 1993; Nakagawa and Yoshida, 2002; Warren et al...is dominated by calcium and sulfate, likely from gypsum dissolution and pyrite oxidation. In contrast,...the intermediate and final fermentation reactions (Zinder, 1993; Clark and Fritz, 1997). Using major ion...with Coal Bed Methane and Surface Coal Mining. Zinder, S.H., 1993. Physiological ecology of methanogens |  | Leng, Cheng-Biao, Zhang, Xing-Chun, Zhong, Hong, Hu, Rui-Zhong, Zhou, Wei-De, Li, Chao (2013) Re–Os molybdenite ages and zircon Hf isotopes of the Gangjiang porphyry Cu–Mo deposit in the Tibetan Orogen. Mineralium Deposita, 48 (5) 585-602 doi:10.1007/s00126-012-0448-x | Journal (article/letter/editorial) | | sericite, illite, chlorite, calcite, and minor gypsum. Various styles of mineralization, such as disseminations...EMII represent three types of mantle end-members (Zinder and Hart 1986) range from 12.51 to 12.85 Ma. All...Gangdese, South Tibet. Int Geol Rev 50:442–471 Zinder A, Hart SR (1986) Chemical geodynamics. Annu Rev |  | Kwon, Man Jae, Boyanov, Maxim I., Antonopoulos, Dionysios A., Brulc, Jennifer M., Johnston, Eric R., Skinner, Kelly A., Kemner, Kenneth M., O’Loughlin, Edward J. (2014) Effects of dissimilatory sulfate reduction on FeIII (hydr)oxide reduction and microbial community development. Geochimica et Cosmochimica Acta, 129. 177-190 doi:10.1016/j.gca.2013.09.037 | Journal (article/letter/editorial) | | of the dissolution of sulfate minerals such as gypsum (CaSO42H2O) or anhydrite (CaSO4), as a product...DSR to complete oxidation of propionate (Min and Zinder, 1990; Isaksen et al., 1994; Goorissen et al.,...Elsevier-Pergamon, Oxford, pp. 317–424. Min H. and Zinder S. H. (1990) Isolation and characterization of |  | Machemer, Steven D., Reynolds, Julia S., Laudon, Leslie S., Wildeman, Thomas R. (1993) Balance of S in a constructed wetland built to treat acid mine drainage, Idaho Springs, Colorado, U.S.A. Applied Geochemistry, 8 (6) 587-603 doi:10.1016/0883-2927(93)90015-9 | Journal (article/letter/editorial) | | is the thermodynamically 1978; JORGENSEN, 1983; ZINDER and BROCK, 1978). stable iron sulfide in most reducing...and serum bottle substrates by X-ray diffraction. Gypsum and kaolinite were also identified in the cell...from around the cell input pipes was identified as gypsum. Elemental S was identified in the precipitated...Operations. BiTech Publishers, Vancouver, BC, Canada. ZINDER S. H. and BROCKT. D. (1978) Microbial transformations |  | | Journal (article/letter/editorial) | | 1963; Allan et al., 1987 ). A relatively large gypsum dome of early Pennsylvanian age outcrops immediately...speciation of natural water. Chem. Geol.. 82: 159- 186. Zinder, B., Furrer, 6. and Stumm, W., 1986. The coordination |  | | Journal (article/letter/editorial) | | In situ HAFM study of the thermal dehydration on gypsum (010) surfaces. American Mineralogist, 91, 619–627...11–14. Stumm, W., Furrer, G., Wieland, E., and Zinder, B. (1985) The effects of complexforming ligands |  | | Report (issue) | | CAPE VERDE ISLANDS EGYPT LIBYA MAURITANIA MALI NIGER ERITREA CHAD Khartoum* SUDAN ETHIOPIA UG Kampal... gold in Ghana, bauxite in Guinea, uranium in Niger, phosphate in Senegal and Togo, and •copper and...Gabon (manganese), Ghana (gold), Guinea (bauxite), Niger (uranium), and Togo (phosphate rock). South Africa...500 Rwanda '60 Senegal 590 28 "2,900 "29 Niger 22 149 "20 Mozambique 400 140 748,260 (l)...461 14 83 77 44 19,145 7 296 Namibia 25 Niger 115,000 541,295 '30 Mozambique 2,500 276 |  | | Journal (article/letter/editorial) | | Formation [45,46], and pseudomorphs after anhydrite and gypsum in the Gordon Lake Formation [47]. The Pecors and...Africa, S. Afr. J. Geol. 109 (2006) 109–122. S.H. Zinder, Physiological ecology of methanogens, in: J.G |  | | Journal (article/letter/editorial) | | Compton R. G., Prout K., and Payne R. M. (1997) Gypsum overgrowths passivate calcite to acid attack. J...growth and dissolution on the (010) surface of gypsum by scanning force microscopy. Geochim. Cosmochim...New York. Stumm W., Furrer G., Wieland E., and Zinder B. (1985) The effect of complex-forming ligands |  | Petermann, A., Beke, Dr., Palmerston, Lord (1851) Progress of the African Mission, Consisting of Messrs. Richardson, Barth, and Overweg, to Central Africa. Journal of the Royal Geographical Society of London, 21. 130 doi:10.2307/1798187 | Journal (article/letter/editorial) | | sandstone,with substrataof variegatedIllar} and gypsum; it is so dry and storly,that dates, olives,an(l...becomeXknowll in Europe otn the quarter of the Niger, are unknown among the 'rawarikon this side and...he has a house as well as in Agadez,Rallii, and Zinder. The presentSerkl-n-Turawa, vshosename is Asl-lu...whichseparatesthe roadto Agadezfrom that to Damergaand Zinder,and gives to the latter at its commencement a stlonffldeviationto...Janualy the three sepalated. Mr. Richardsonwent by Zinder straight towards Ruka, the capital of the Emperor |  | | Book | | detritus generated the major petroleum province of the Niger delta (Chapter 7). The analogous rift basins on...some 40,000 square km, extending southwards into Niger. The Murzuk basin is separated from the Illizi basin...a regular cyclic motif. The evaporites include gypsum (near the surface), anhydrite, and halite in the...ferruginous sandstone, siltstone and shale with minor gypsum and rock salt overlain by limestone and marl. The...consists of lenticular bodies of coarsely crystalline gypsum and gypsarenite, associated with limestone consisting |  | | Journal (article/letter/editorial) | | characterized by different geological units: Messinian gypsum, Plio-Pleistocene marls, chaotic clays with extensive...(PMGs), two pyroxene pallasites, the ungrouped Zinder and Milton pallasites and two pallasites from the...observed in µ26Mg*, with PMGs, pyroxene pallasites and Zinder having consistently negative µ26Mg* and PESs displaying...Vermillion and Yamato8451 pyroxene pallasites as well as Zinder to <2 Myr after solar system formation. Indispensable...hardpan with greater thickness, cemented by secondary gypsum and lepidocrocite, was formed on the tailings surface |  | | Journal (article/letter/editorial) | | W. H. Yap; C. J. Zartman R. E. Zierenberg R. A. Zinder S. Zinner E. K. Zolensky M. Balm w. Begemann F...2393 chromite in eucrites 7 13 Cl in anhydrite and gypsum 3113 Antarctic meteorites, rocks, snow, aerosol...Texas, USA 2459 Gulf of Bothnia, Baltic Sea 155 gypsum CaS04a2H20 3113 Dead Sea sediments 1135 H biogenic...volume in silicate melts 2931 Ka in anhydtite and gypsum 3 113 Kaapvaal Craton, Witwatersrand Basin, South...Mercado Durango 2865 Ml4 - in anhydrite and gypsum 3 113 in boundarv clavs and limestones 2769 in |  | | Book | | Blödite Celestine Copiapite Coquimbite Epsomite Gypsum Hexahydrite Honessite Jarosite Kieserite Barite...Greigite Grossite Grossmanite Grossular Gupeiite Gypsum Haapalaite Halite Hapkeite Hausmannite Mg2Si2O6...6 7 8 9 10 Type Example Talc – Mg3Si4O10(OH)2 Gypsum – CaSO42H2O Calcite – CaCO3 Fluorite – CaF2 Apatite...hardness of 5½. Halite (NaCl), which can scratch gypsum and be scratched by calcite, has a hardness of...3(Al,Mg)2Si4O10(OH)2nH2O) can be scratched by gypsum and are assigned hardness values of 1–1½. Some |  | | Journal (issue) | | leached cavities are probably after anhydrite or gypsum. [Photos: ]. ]. 2. Hrun1t11er Felspathic Quartzite...has never been found but is inferred to have been gypsum or anhydrite. The Sosa Quartzite is characteristically...cavities may be due to the solution of anhydrite or gypsum, as in the case of the leached Qavities in the...tin mineralisation, are widely distributed in the Zinder, Air, Ahaggar, Tibesti and Adrar des Iforas regions... refs. Russ, W. 1957. 'The geology of parts of Niger, Zaria and Sokoto Provinces, with special reference |
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