 | | Journal (article/letter/editorial) | | partitioning in rivers GABOURY BENOIT* and TIM F. ROZAN† Yale School of Forestry and Environmental Studies...Lewes, DE 19958. 113 114 G. Benoit and T. F. Rozan Table 1. Ranges of some physical and chemical characteristics...manganese oxides, amorphous aluminosilicates, calcite, apatite, various kinds of detrital organic matter...subsequent analyses.) Slopes 116 G. Benoit and T. F. Rozan Fig. 3. Same as Fig. 2, but for Pb. Fig. 2. (a)...outright, since the pro- 118 G. Benoit and T. F. Rozan 3.2.3. Dilution of SPM by inert “mega-particles” |  | | Journal (article/letter/editorial) | | dissolution of Fe oxides (Gerritse et al., 1998; Rozan et al., 2002). 3.3.3. Authigenic P (Pauth) Authigenic...entirely of rich carbonate sediment (low and high Mg-calcite and aragonite). Observations of eroded and fragmented...1999; Michel et al., 2000; Cole and Whitelaw, 2001; Rozan and Benoit, 2001; Monbet, 2006). Error of P burial...chemistry of orthophosphate uptake from seawater on to calcite and aragonite. Geochim. Cosmochim. Acta 42, 1335–1340...nitrogen and phosphorus from the Gironde estuary (France): seasonal variations and trends. Estuar. Coast |  | | Journal (article/letter/editorial) | | . . . . . . . . 95 GABOURY BENOIT and TIM F. ROZAN: The influence of size distribution on the particle...NILSSON and J. STERNBECK: A mechanistic model for calcite crystal growth using surface speciation . . . ...63(19/20):3247 Be-7 63(11/12):1621 benthic flux 63(15):2199 calcite 63(7/8):989 calcium sulfoaluminate hydrate 63(13/14):...Biomineralization banded iron formation 63(15):2163 calcite 63(17):2507 effect of C:Fe ratio 63(15):2163 Fe(OH)2...63(13/14):2009 oxygen isotopes 63(13/14):2009 C Calcite arsenic 63(19/20):3153 conceptual model 63(19/20):3121 |  | Hakala, J. Alexandra, Fimmen, Ryan L., Chin, Yu-Ping, Agrawal, Sheela G., Ward, Collin P. (2009) Assessment of the geochemical reactivity of Fe-DOM complexes in wetland sediment pore waters using a nitroaromatic probe compound. Geochimica et Cosmochimica Acta, 73 (5) 1382-1393 doi:10.1016/j.gca.2008.12.001 | Journal (article/letter/editorial) | | with smaller percentages of chlorite, K-feldspar, calcite, dolomite, siderite and pyrite (Frizado et al....range (0.1 to 0.7 V) in natural pore waters (Rozan et al., 2000), the neutral pH of unpurged pore ...and uranium distribution in the Gironde estuary, France. Chem. Geol. 238, 149–167. Avena M. J. and Koopal...matter in coastal waters. Mar. Chem. 84, 85–103. Rozan T. F., Theberge S. M. and Luther G. W. (2000) Quantifying...Technol. 34, 2169–2177. Taillefert M., Hover V. C., Rozan T. F., Theberge S. M. and Luther, G. W. (2002) The |  | Hou, L.J., Liu, M., Yang, Y., Ou, D.N., Lin, X., Chen, H., Xu, S.Y. (2009) Phosphorus speciation and availability in intertidal sediments of the Yangtze Estuary, China. Applied Geochemistry, 24 (1) 120-128 doi:10.1016/j.apgeochem.2008.11.008 | Journal (article/letter/editorial) | | several decades (Andrieux-Loyer and Aminot, 1997; Rozan et al., 2002; Álvarez-Rogel et al., 2007). Numerous...et al., 2004; Anshumali and Ramanathan, 2007). Calcite is produced at high salinities through precipitation...redox intensity (Andrieux-Loyer and Aminot, 1997; Rozan et al., 2002; Álvarez-Rogel et al., 2007). In the...speciation in the sediments of the Bay of Seine (France). Continental Shelf Res. 17, 1229– 1245. Andrieux-Loyer...Changjiang (Yangtze River). Mar. Geol. 139, 95–108. Rozan, T.M., Taillefert, M., Trouwborst, R.E., Glazer |  | | Journal (article/letter/editorial) | | could also have been attenuated as impurities in calcite (i.e., CdCO3–CaCO3 solid solution). There is a...may also have been scavenged as impurities in calcite. Dissolved iron and arsenic levels were generally...sulfide phases, organics, and detrital grains of calcite, quartz, and other silicate minerals in the gravel... metal concentration, and ionic strength.60,61 Rozan et al.77 describe sulfide cluster compounds containing...cluster compounds proposed by Luther et al.76 and Rozan et al.77 such as M2S4, M3S3, and M4S6 (M ~ Cu, Fe |  | | Journal (article/letter/editorial) | | from the sheet silicate and from trace amounts of calcite inclusions. During the initial phase, the 87Sr/86Sr...ratios. After the early stages of the experiments, calcite dissolution became limited by the rate at which...biotite and phlogopite (after correction for the calcite inclusions). Differences in the location of Sr...by the recent realization that trace amounts of calcite commonly occur even in rocks that appear to be...1997; Blum et al., 1998; White et al., 1999). Calcite typically has a much more rapid dissolution rate |  | | Journal (article/letter/editorial) | | University, IRD, College de France, BP80, 13545 Aix-en-Provence, France a r t i c l e i n f o Article...determined during three years on the lower Rhône River (France) from subsurface water samples collected about...Claude Guillemin, BP 36009, 45050 Orléans Cedex 2, France. E-mail address: p.ollivier@brgm.fr (P. Ollivier)...summer and the associated precipitation of biogenic calcite. The variation of NO3/Na ratios with increasing...the assumption of a coprecipitation of biogenic calcite by plants or algae in summer. The Ba, K, Mg and |  | Vasconcelos, Crisógono, Warthmann, Rolf, McKenzie, Judith A., Visscher, Pieter T., Bittermann, Anne G., van Lith, Yvonne (2006) Lithifying microbial mats in Lagoa Vermelha, Brazil: Modern Precambrian relics?. Sedimentary Geology, 185 (3) 175-183 doi:10.1016/j.sedgeo.2005.12.022 | Journal (article/letter/editorial) | | the boundary conditions responsible for high Mg-calcite and dolomite formation. In the uppermost layers...photosynthesis and aerobic respiration resulted in calcite precipitation, whereas, in the underlying anoxic...effect of sulfide oxidation favors dolomite over Mg-calcite formation, as indicated by the saturation states...499 −4.176 0.06 − 0.01 − 0.84 Calcite High Mg-calcite High Mg-calcite 179 3.4. Stable isotopic analysis...discrete layers of calcite and Mg-calcite (Table 1; Figs. 2 and 6). In particular, the Mg-calcite precipitates |  | | Journal (article/letter/editorial) | | almost entirely biogenic, consisting principally of calcite and aragonite, with lesser amounts of silica and...voltammetry have been discussed by various authors; Rozan et al. (1999) give a good summary. Free sulfide (H2S...adlayers on Hg electrodes only in acidified solutions (Rozan et al., 1999). In some instances, these analytes...and estuarine sediment. Mar. Chem. 25, 211–226. Rozan T. F., Benoit G. and Luther G. W. (1999) Measuring |  | Zheng, Liange, Apps, John A., Zhang, Yingqi, Xu, Tianfu, Birkholzer, Jens T. (2009) On mobilization of lead and arsenic in groundwater in response to CO2 leakage from deep geological storage. Chemical Geology, 268 (3) 281-297 doi:10.1016/j.chemgeo.2009.09.007 | Journal (article/letter/editorial) | | Smectite-Ca Illite Chlorite Kerogen-OS Dolomite Calcite Goethite Arsenian pyrite Galena SiO2 KAlSi3O8...the analysis, with independent measurements by Rozan et al. (2003). With the derived Log (PbS)aq and...concentrations of calcite (CaCO3). We make no claims as to the origin of interstitial calcite in arenite, which...concentration of ≈0.5 ppm Pb in shell calcite. The dissolution of calcite caused by the increase in P(CO2)...mM/kg of As(III) could be incorporated into the calcite structure.” Under ambient conditions of potable |  | | Journal (article/letter/editorial) | | into other crystalline calcium carbonates like calcite, vaterite, and aragonite. To date, no direct structural...spine comprises a highly oriented array of Mg-calcite nanocrystals in which amorphous regions and organic...or M4S6), which are sub-nanometer in size (e.g., Rozan et al. 2000; Luther and Rickard 2005). These clusters...structure of amorphous silicon.” Science, 338, 1539b. Rozan, T.F., Lassman, M.E., Ridge, D.P., and Luther, G |  | Baumgartner, L.K., Reid, R.P., Dupraz, C., Decho, A.W., Buckley, D.H., Spear, J.R., Przekop, K.M., Visscher, P.T. (2006) Sulfate reducing bacteria in microbial mats: Changing paradigms, new discoveries. Sedimentary Geology, 185 (3) 131-145 doi:10.1016/j.sedgeo.2005.12.008 | Journal (article/letter/editorial) | | regarding sulfate reducing bacteria Fig. 1. High-Mg calcite precipitation in lithifying microbial mat, Salt...cryofixation (low temperature ESEM). The onset of high-Mg calcite is initiated in the alveolar structure of the EPS...the organic structure. C) Details of the high-Mg calcite precipitation within the alveolar structure of...Indeed, freshwater microbial deposits often show calcite impregnation of organic matter such as SRB are... 1995) and affect carbonate mineralogy (e.g., calcite, vaterite; e.g., Reitner, 1993, Braissant et al |  | | Journal (article/letter/editorial) | | the experiments. Trace amounts (0.04 wt.%) of calcite were detected by coulometric analysis. We also...M acetic acid overnight to dissolve the trace calcite and determine its chemical and isotopic composition...the extent to which the dissolution of the trace calcite present as minute inclusions in the mineral might...disseminated calcite in a wide variety of granitoid rocks. The dissolution of this calcite can complicate...concentrations in the labradorite, the weight percent calcite as measured by coulometric analysis and the Ca/Sr |  | | Journal (article/letter/editorial) | | 3.6 to 3.1 with an increase in the sedimentary calcite fraction from 10 to 80%. Although the sediments...sediments of Lake Zug consist of approximately 50% calcite, m is considerably lower (1.81) compared to the study...freshwater sediments 1525 al. (1989). Therefore, the calcite fraction alone does not explain the differences...sediments across a wide range of grain-sizes, calcite fractions, and other factors. 4.2. Effect of Increased...Emerson S., and Reimers C. (1989) Dissolution of calcite in deep-sea sediments: pH and O2 microelectrode |  | Och, Lawrence M., Müller, Beat, Voegelin, Andreas, Ulrich, Andrea, Göttlicher, Jörg, Steiniger, Ralph, Mangold, Stefan, Vologina, Elena G., Sturm, Michael (2012) New insights into the formation and burial of Fe/Mn accumulations in Lake Baikal sediments. Chemical Geology, 330. 244-259 doi:10.1016/j.chemgeo.2012.09.011 | Journal (article/letter/editorial) | | to its radioactive equilibrium (e.g. Benoit and Rozan, 2001). Major anions and cations in the pore waters...presence of MnCO3 (rhodochrosite) or Mn-substituted calcite could clearly be ruled out based on their distinct...oxidation. Science 325 (5937), 184–187. Benoit, G., Rozan, T.F., 2001. 210Pb and 137Cs dating methods in lakes:...2003. Influence of organic carbon decomposition on calcite dissolution in surficial sediments of a freshwater |  | | Journal (article/letter/editorial) | | 1r 2q counting time. Blank patterns of a thick calcite suspension loaded on the low background holder...text). * in (b) and (c) is introduced by the (102) calcite d-spacing (see text). 0.93 for Fig. 3b and R2...artificial one, introduced by (102) d-spacing of calcite at 23.01r 2q from the blank pattern after correction...Cosmochimica Acta, 63, 3159–3169. Luther, III, G.W., Rozan, T.F., Taillefert, M., Nuzzio, D.B., Di Meo, C. |  | Cai, Wei-Jun, Chen, Feizhou, Powell, Eric N., Walker, Sally E., Parsons-Hubbard, Karla M., Staff, George M., Wang, Yongchen, Ashton-Alcox, Kathryn A., Callender, W. Russell, Brett, Carlton E. (2006) Preferential dissolution of carbonate shells driven by petroleum seep activity in the Gulf of Mexico. Earth and Planetary Science Letters, 248 (1) 227-243 doi:10.1016/j.epsl.2006.05.020 | Journal (article/letter/editorial) | | and the reference site (site 4, open symbols). Calcite and aragonite saturation states are also indicated...The outer shell layer of Mytilus is prismatic calcite. In contrast, dissolution indices averaged lower...for Argopecten. Argopecten also has an external calcite layer, but unlike Mytilus, Argopecten has a cross-foliated...Archer, S. Emerson, C.E. Reimers, Dissolution of calcite in deep-sea sediments: pH and O2 microelectrode...Microelectrode studies of organic carbon degradation and calcite dissolution at a California continental rise site |  | Olson, Lydia, Quinn, Kelly A., Siebecker, Matthew G., Luther, George W., Hastings, David, Morford, Jennifer L. (2017) Trace metal diagenesis in sulfidic sediments: Insights from Chesapeake Bay. Chemical Geology, 452. 47-59 doi:10.1016/j.chemgeo.2017.01.018 | Journal (article/letter/editorial) | | to 417 μM. Polysulfides were present at the SWI (Rozan et al., 2000). With increasing depth, AVS increased...during experimental precipitation of rhodochrosite-calcite solid solutions from aqueous solutions. Mar. Chem...mobility. Earth Planet. Sci. Lett. 132, 99–111. Rozan, T.F., Theberge, S.M., Luther III, G.W., 2000. Quantifying |  | | Journal (article/letter/editorial) | | the majority in the sediments from this study. Calcite (CaCO3) is generally ubiquitous in estuarine sediments...elements in the modern sediments of the Bay of Biscay (France). Marine Chemistry 100, 39–52. Clark, M.W., Mcconchie...EXAFS study of rare-earth element coordination in calcite. Geochimica et Cosmochimica Acta 66, 2875–2885...Environment 64, 219–232. Taillefert, M., Hover, V.C., Rozan, T.F., Theberge, S.M., Luther, G.W., 2002. The influence...The coprecipitation of rare-earth elements with calcite and aragonite. Chemical Geology 69, 103–110. Tranchida |  | Pettine, Maurizio, Gennari, Francesca, Campanella, Luigi, Casentini, Barbara, Marani, Dario (2012) The reduction of selenium(IV) by hydrogen sulfide in aqueous solutions. Geochimica et Cosmochimica Acta, 83. 37-47 doi:10.1016/j.gca.2011.12.024 | Journal (article/letter/editorial) | | adsorbed by clay minerals such as montmorillonite or calcite or present in a number of solids like siderite...and Charlet L. (2010) Reactivities of Fe(II) on calcite: selenium reduction. Environ. Sci. Technol. 44...27, 165–177. Luther, III, G. W., Theberge S. M., Rozan T. F., Rickard D., Rowlands C. C. and Oldroyd A |  | | Report (issue) | | introduced. In this development, attributed, to Luce and Rozan in Marseilles, steam was blavvn into the lead: this..."hand patti.nsonisation" was reduced, although the Rozan steam process needed a speciallyshaped crystallising...expected this patent would expire in 1883. The Rozan treatment was reckoned to cut desilveri.si.ng costs...strings contained mainly carbonate of iron and calcite, and no lead or zinc-ore. The lower part of the...After having served in the Royal Artillel'.'y in France 1915-18, being mentioned in dispatches, was recalled |  | | Journal (article/letter/editorial) | | the conditions. References [1] Luther, III G.W., Rozan T.F., Witter A.E., Lewis, B. (2001) Metal organic...Université P&M Curie, 4 place Jussieu, 75252 Paris, France (jpj@ccr.jussieu.fr) Iron is an important element...13545 Aix en Provence France LCMC -, 4 place Jussieu, 75252 Paris cedex-France 3 LAMMI, 2 place Bataillon...Bataillon 34095 Montpellier-France 4 LEMIR, CEA Cadarache, 13108 Saint Paul- France 5 LIONS, CEA Saclay, 91191...91191 Gif sur Yvette, France 6 BME -IFR PMSE 112- Faculté de Médecine 27 Bd. Jeanmoulin 13385 Marseille |  | | Book | | situ analytical methods (Brendel and Luther, 1995; Rozan et al., 2000) has provided a more accurate insight...with S(0) dominant and the deeper sulfide zone (Rozan et al., 2000). The Sn(-II) concentration was 13...B.T., Hohmann, L., Popp, J.I., Taillefert, M., Rozan, T.F., Brendel, P.J., Theberge, S.M., Nuzzio, D...volatile sulfide (AVS). Mar. Chem. 97, 141–197. Rozan, T.F., Theberge, S.M., Luther, G., 2000. Quantifying...burial from isotopic and mineral chemistry of calcite, dolomite and siderite concretions. Geochim. Cosmochim |  | | Journal (article/letter/editorial) | | closed-system and open-system models for porewater pH and calcite-saturation state. Geochim. Cosmochim. Acta 57,...Microelectrode studies of organic carbon degradation and calcite dissolution at a California continental rise site...pCO2 in aquatic sediments. In: Taillefert, M., Rozan, T. (Eds.), Environmental Electrochemistry: Analysis... 46, 2073–2080. Hales, B., Emerson, S., 1997. Calcite dissolution in sediments of the Ceara rise: in |
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