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  1. In geochemically perturbed systems where porewater and mineral assemblages are unequilibrated the processes of mineral precipitation and dissolution may change important transport properties such as porosity a...

    Authors: Aurélie Chagneau, Francis Claret, Frieder Enzmann, Michael Kersten, Stephanie Heck, Benoît Madé and Thorsten Schäfer
    Citation: Geochemical Transactions 2015 16:13
  2. Vernadite is a nanocrystalline and turbostratic phyllomanganate which is ubiquitous in the environment. Its layers are built of (MnO6)8− octahedra connected through their edges and frequently contain vacancies an...

    Authors: Sylvain Grangeon, Alejandro Fernandez-Martinez, Fabienne Warmont, Alexandre Gloter, Nicolas Marty, Agnieszka Poulain and Bruno Lanson
    Citation: Geochemical Transactions 2015 16:12
  3. Mn oxides occur in a wide variety of geological settings and exert considerable influences on the components and chemical behaviors of sediments and soils. Microbial reduction of Mn oxides is an important proc...

    Authors: Huiqin Zhang, Yan Li, Xin Wang, Anhuai Lu, Hongrui Ding, Cuiping Zeng, Xiao Wang, Xiaolei Wu, Yong Nie and Changqiu Wang
    Citation: Geochemical Transactions 2015 16:11
  4. The substitution of Ca2+ in Ca-hydroxylapatite by toxic Cd2+ can cause the forming of Cd-hydroxylapatite and is a significant issue in a great variety of research areas, which hence needs an understanding of the ...

    Authors: Yinian Zhu, Zongqiang Zhu, Xin Zhao, Yanpeng Liang, Liuqin Dai and Yanhua Huang
    Citation: Geochemical Transactions 2015 16:9
  5. Todorokite, a 3 × 3 tectomanganate, is one of three main manganese oxide minerals in marine nodules and can be used as an active MnO6 octahedral molecular sieve. The formation of todorokite is closely associated ...

    Authors: Huaiyan Zhao, Xinran Liang, Hui Yin, Fan Liu, Wenfeng Tan, Guohong Qiu and Xionghan Feng
    Citation: Geochemical Transactions 2015 16:8
  6. We studied the annual variability of the concentration and isotopic composition of main sulfur species and sulfide oxidation intermediates in the water column of monomictic fresh-water Lake Kinneret. Sulfate c...

    Authors: Nadav Knossow, Barak Blonder, Werner Eckert, Alexandra V Turchyn, Gilad Antler and Alexey Kamyshny Jr.
    Citation: Geochemical Transactions 2015 16:7
  7. In this work, the geochemistry of the rare earth elements (REE) was studied in eleven outcrop samples and six, depth-interval samples of a core from the Marcellus Shale. The REE are classically applied analyte...

    Authors: Clinton W Noack, Jinesh C Jain, John Stegmeier, J Alexandra Hakala and Athanasios K Karamalidis
    Citation: Geochemical Transactions 2015 16:6
  8. Although most reported biogenic Mn oxides are hexagonal birnessites, other types of biogenic Mn oxides also commonly occur in the environment. However, sorption characteristics and underlying mechanisms of the...

    Authors: Zhijun Zhang, Jing Lai, Hui Yin, Xionghan Feng, Wenfeng Tan and Fan Liu
    Citation: Geochemical Transactions 2015 16:5
  9. Many biominerals form from amorphous calcium carbonate (ACC), but this phase is highly unstable when synthesised in its pure form inorganically. Several species of earthworm secrete calcium carbonate granules ...

    Authors: Mark E Hodson, Liane G Benning, Bea Demarchi, Kirsty E H Penkman, Juan D Rodriguez-Blanco, Paul F Schofield and Emma A A Versteegh
    Citation: Geochemical Transactions 2015 16:4
  10. Stable Zn isotopes fractionation was studied in main biogeochemical compartments of a pristine larch forest of Central Siberia developed over continuous permafrost basalt rocks. Two north- and south-oriented w...

    Authors: Jerome Viers, Anatoly S Prokushkin, Oleg S Pokrovsky, Alexander V Kirdyanov, Cyril Zouiten, Jerome Chmeleff, Merlin Meheut, Francois Chabaux, Priscia Oliva and Bernard Dupré
    Citation: Geochemical Transactions 2015 16:3
  11. On Late Cretaceous Tethyan upwelling sediments from the Mishash/Ghareb Formation (Negev, Israel), bulk geochemical and biomarker analyses were performed to explain the high proportion of phosphates in the lowe...

    Authors: Heiko Alsenz, Peter Illner, Sarit Ashckenazi-Polivoda, Aaron Meilijson, Sigal Abramovich, Shimon Feinstein, Ahuva Almogi-Labin, Zsolt Berner and Wilhelm Püttmann
    Citation: Geochemical Transactions 2015 16:2
  12. Elemental sulfur (S) persists in natural aquatic environment in a variety of forms with different size distributions from dissolved to particulate. Determination of S speciation mainly consists of the applicat...

    Authors: Elvira Bura-Nakić, Marija Marguš, Darija Jurašin, Ivana Milanović and Irena Ciglenečki-Jušić
    Citation: Geochemical Transactions 2015 16:1
  13. Integrated Ocean Drilling Program Expedition 338 was the second scientific expedition with D/V Chikyu during which riser drilling was conducted as part of the Nankai Trough Seismogenic Zone Experiment. Riser dril...

    Authors: Sebastian B Hammerschmidt, Thomas Wiersberg, Verena B Heuer, Jenny Wendt, Jörg Erzinger and Achim Kopf
    Citation: Geochemical Transactions 2014 15:15
  14. The oxidative dissolution of sulfide minerals, such as arsenopyrite (FeAsS), is of critical importance in many geochemical systems. A comprehensive understanding of their dissolution rates entails careful prep...

    Authors: Hariprasad Parthasarathy, John P Baltrus, David A Dzombak and Athanasios K Karamalidis
    Citation: Geochemical Transactions 2014 15:14
  15. Ionic and molecular carriers of dissolved (filter-passing) zero-valent sulfur (S0) in anaerobic natural waters include polysulfides, Sn2−, molecular S8(aq), organic macromolecules and certain higher valent thioan...

    Authors: George R Helz
    Citation: Geochemical Transactions 2014 15:13
  16. Shallow-sea (5 m depth) hydrothermal venting off Milos Island provides an ideal opportunity to target transitions between igneous abiogenic sulfide inputs and biogenic sulfide production during microbial sulfa...

    Authors: William P Gilhooly, David A Fike, Gregory K Druschel, Fotios-Christos A Kafantaris, Roy E Price and Jan P Amend
    Citation: Geochemical Transactions 2014 15:12
  17. Elemental sulfur exists is a variety of forms in natural systems, from dissolved forms (noted as S8(diss) or in water as S8(aq)) to bulk elemental sulfur (most stable as α-S8). Elemental sulfur can form via sever...

    Authors: Angel A Garcia and Gregory K Druschel
    Citation: Geochemical Transactions 2014 15:11
  18. We have studied the impact of dissolved aluminum on interfacial properties of two aluminum bearing minerals, corundum and kaolinite. The effect of intentionally adding dissolved aluminum on electrokinetic pote...

    Authors: Johannes Lützenkirchen, Ahmed Abdelmonem, Rohan Weerasooriya, Frank Heberling, Volker Metz and Remi Marsac
    Citation: Geochemical Transactions 2014 15:9
  19. The paper presents a quantification of main (hydrogen sulfide and sulfate), as well as of intermediate sulfur species (zero-valent sulfur (ZVS), thiosulfate, sulfite, thiocyanate) in the Yellowstone National P...

    Authors: Alexey Kamyshny Jr, Gregory Druschel, Zahra F Mansaray and James Farquhar
    Citation: Geochemical Transactions 2014 15:7
  20. Iron oxyhydroxides are commonly found in natural aqueous systems as nanoscale particles, where they can act as effective sorbents for dissolved metals due to their natural surface reactivity, small size and hi...

    Authors: Rebecca B Chesne and Christopher S Kim
    Citation: Geochemical Transactions 2014 15:6

    The Erratum to this article has been published in Geochemical Transactions 2015 16:17

  21. This paper is based on the studies of the biogeochemical structure of the water column in the anoxic Fjord Hunnbunn (south-eastern Norway) performed in 2009, 2011 and 2012. This Fjord is an enclosed basin of b...

    Authors: Svetlana Pakhomova, Hans Fredrik Veiteberg Braaten, Evgeniy Yakushev and Jens Skei
    Citation: Geochemical Transactions 2014 15:5
  22. The use of a boiling mixture of hydriodic acid, hypophosphorous acid, and hydrochloric acid to reduce any variety of sulfur compounds has been in use in various applications since the first appearance of this ...

    Authors: Gail L Arnold, Benjamin Brunner, Inigo A Müller and Hans Røy
    Citation: Geochemical Transactions 2014 15:4
  23. The Black Sea is the largest euxinic basin on the Earth. The anoxic zone consists of the upper part water mass stratified by density, and the lower water mass homogenized relative to density (depth >1750 m), n...

    Authors: Alexander V Dubinin, Elena O Dubinina, Tatyana P Demidova, Nataliya M Kokryatskaya, Maria N Rimskaya-Korsakova, Sofia A Kosova and Evgeniy V Yakushev
    Citation: Geochemical Transactions 2014 15:3
  24. Coastal sediments in the northern Gulf of Mexico have a high potential of being contaminated by petroleum hydrocarbons, such as polycyclic aromatic hydrocarbons (PAHs), due to extensive petroleum exploration a...

    Authors: Zucheng Wang, Zhanfei Liu, Kehui Xu, Lawrence M Mayer, Zulin Zhang, Alexander S Kolker and Wei Wu
    Citation: Geochemical Transactions 2014 15:2
  25. Riverine particles undergo a rapid transformation when they reach estuaries. The rapid succession of hydrodynamic and biogeochemical regimes forces the particles to flocculate, settle and enter the sediment po...

    Authors: Yoko Furukawa, Allen H Reed and Guoping Zhang
    Citation: Geochemical Transactions 2014 15:1
  26. Methane in source rocks may not exist exclusively as free gas. It could exist in equilibrium with carbon and higher hydrocarbons: CH4 + C < = > Hydrocarbon. Three lines of evidence support this possibility. 1) Sh...

    Authors: Frank D Mango
    Citation: Geochemical Transactions 2013 14:5
  27. Oil biodegradation by native bacteria is one of the most important natural processes that can attenuate the environmental impacts of marine oil spills. Existing models for oil biodegradation kinetics are mostl...

    Authors: Javier Vilcáez, Li Li and Susan S Hubbard
    Citation: Geochemical Transactions 2013 14:4
  28. We investigated the surface characteristics of two strains of Shewanella sp., S. oneidensis MR-1 and S. putrefaciens 200, that were grown under aerobic conditions as well as under anaerobic conditions with trimet...

    Authors: Yoko Furukawa and Jason R Dale
    Citation: Geochemical Transactions 2013 14:3
  29. The widespread use of jarosite-type compounds to eliminate impurities in the hydrometallurgical industry is due to their capability to incorporate several elements into their structures. Some of these elements...

    Authors: Francisco Patiño, Mizraim U Flores, Iván A Reyes, Martín Reyes, Juan Hernández, Isauro Rivera and Julio C Juárez
    Citation: Geochemical Transactions 2013 14:2
  30. Previously described methods to separate dissolved U(IV) from dissolved U(VI) under acidic anoxic conditions prior to laboratory analysis were ineffective with materials currently available commercially. Three...

    Authors: Deborah L Stoliker, Nazila Kaviani, Douglas B Kent and James A Davis
    Citation: Geochemical Transactions 2013 14:1
  31. The analysis of the dissolved organic fraction of hydrothermal fluids has been considered a real challenge due to sampling difficulties, complexity of the matrix, numerous interferences and the assumed ppb con...

    Authors: Cecile Konn, Jean-Luc Charlou, Jean-Pierre Donval and Nils G Holm
    Citation: Geochemical Transactions 2012 13:8
  32. The colonization of the terrestrial environment by land plants transformed the planetary surface and its biota, and shifted the balance of Earth’s biomass from the subsurface towards the surface. However there...

    Authors: John Parnell and Sorcha Foster
    Citation: Geochemical Transactions 2012 13:7
  33. Although uniquely capable of measuring multiple redox constituents nearly simultaneously with no or minimal sample pretreatment, voltammetry is currently underutilized in characterizing redox conditions in aqu...

    Authors: Aaron J Slowey and Mark Marvin-DiPasquale
    Citation: Geochemical Transactions 2012 13:6
  34. Continental flood basalts (CFB) are considered as potential CO2 storage sites because of their high reactivity and abundant divalent metal ions that can potentially trap carbon for geological timescales. Moreover...

    Authors: Thi Hai Van Pham, Per Aagaard and Helge Hellevang
    Citation: Geochemical Transactions 2012 13:5
  35. Reactive oxygen species (ROS) are vital regulators of many cellular functions in the body. The intracellular ROS concentration is highly regulated by a balance between pro-oxidants and anti-oxidants. A chronic...

    Authors: Andrea D Harrington, Stella E Tsirka and Martin AA Schoonen
    Citation: Geochemical Transactions 2012 13:4
  36. The East Pacific Rise (EPR) at 9°50'N hosts a hydrothermal vent field (Bio9) where the change in fluid chemistry is believed to have caused the demise of a tubeworm colony. We test this hypothesis and expand o...

    Authors: Michael Hentscher and Wolfgang Bach
    Citation: Geochemical Transactions 2012 13:2
  37. A proposed strategy for immobilizing trace metals in the subsurface is to stimulate calcium carbonate precipitation and incorporate contaminants by co-precipitation. Such an approach will require injecting che...

    Authors: Tsigabu A Gebrehiwet, George D Redden, Yoshiko Fujita, Mikala S Beig and Robert W Smith
    Citation: Geochemical Transactions 2012 13:1
  38. Ureolytically-driven calcium carbonate precipitation is the basis for a promising in-situ remediation method for sequestration of divalent radionuclide and trace metal ions. It has also been proposed for use i...

    Authors: Yuxin Wu, Jonathan B Ajo-Franklin, Nicolas Spycher, Susan S Hubbard, Guoxiang Zhang, Kenneth H Williams, Joanna Taylor, Yoshiko Fujita and Robert Smith
    Citation: Geochemical Transactions 2011 12:7
  39. Hydrocarbons such as CH4 are known to be formed through the Fischer-Tropsch or Sabatier type reactions in hydrothermal systems usually at temperatures above 100°C. Weathering of olivine is sometimes suggested to ...

    Authors: Anna Neubeck, Nguyen Thanh Duc, David Bastviken, Patrick Crill and Nils G Holm
    Citation: Geochemical Transactions 2011 12:6
  40. Chromite is a mineral with low solubility and is thus resistant to dissolution. The exception is when manganese oxides are available, since they are the only known naturally occurring oxidants for chromite. In...

    Authors: Magnus Ivarsson, Curt Broman and Nils G Holm
    Citation: Geochemical Transactions 2011 12:5
  41. One of the key-principles of the iron-sulphur world theory is to bring organic molecules close enough to interact with each other, using the surface of pyrite as a substrate in a hydrothermal setting. The pres...

    Authors: Paula Lindgren, John Parnell, Nils G Holm and Curt Broman
    Citation: Geochemical Transactions 2011 12:3
  42. The isolation of highly pure copper-free methanobactin is a prerequisite for the investigation of the biogeochemical functions of this chalkophore molecule produced by methane oxidizing bacteria. Here, we repo...

    Authors: Marie-Laure Pesch, Iso Christl, Kurt Barmettler, Stephan M Kraemer and Ruben Kretzschmar
    Citation: Geochemical Transactions 2011 12:2
  43. A realistic estimation of the health risk of human exposure to solid-phase arsenic (As) derived from historic mining operations is a major challenge to redevelopment of California's famed "Mother Lode" region....

    Authors: Andrea L Foster, Roger P Ashley and James J Rytuba
    Citation: Geochemical Transactions 2011 12:1

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