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  1. Content type: Research Article

    We observed the initial release rate of metals from four fresh (i.e., without long time exposure to the atmosphere) hydrothermal sulfide cores into artificial seawater. The sulfide samples were collected by se...

    Authors: Shigeshi Fuchida, Jun-ichiro Ishibashi, Kazuhiko Shimada, Tatsuo Nozaki, Hidenori Kumagai, Masanobu Kawachi, Yoshitaka Matsushita and Hiroshi Koshikawa

    Citation: Geochemical Transactions 2018 19:15

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  2. Content type: Research Article

    Serpentine soils and ultramafic laterites develop over ultramafic bedrock and are important geological materials from environmental, geochemical, and industrial standpoints. They have naturally elevated concen...

    Authors: Matthew G. Siebecker, Rufus L. Chaney and Donald L. Sparks

    Citation: Geochemical Transactions 2018 19:14

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  3. Content type: Research Article

    Recently, the wide application of CuO nanoparticles (NPs) in engineering field inevitably leads to its release into various geologic settings, which has aroused great concern about the geochemical behaviors of...

    Authors: Lingqun Zeng, Biao Wan, Rixiang Huang, Yupeng Yan, Xiaoming Wang, Wenfeng Tan, Fan Liu and Xionghan Feng

    Citation: Geochemical Transactions 2018 19:12

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  4. Content type: Research Article

    The distribution of trace metals in active stream sediments from the mineralized Lom Basin has been evaluated. Fifty-five bottom sediments were collected and the mineralogical composition of six pulverized sam...

    Authors: Mumbfu Ernestine Mimba, Takeshi Ohba, Salomon César Nguemhe Fils, Melvin Tamnta Nforba, Nozomi Numanami, Tasin Godlove Bafon, Festus Tongwa Aka and Cheo Emmanuel Suh

    Citation: Geochemical Transactions 2018 19:11

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  5. Content type: Research Article

    Phosphorus (P) can limit crop production in many soils, and soil testing is used to guide fertilizer recommendations. The Mehlich III (M3) soil test is widely used in North America, followed by colorimetric an...

    Authors: Barbara J. Cade-Menun, Kyle R. Elkin, Corey W. Liu, Ray B. Bryant, Peter J. A. Kleinman and Philip A. Moore Jr.

    Citation: Geochemical Transactions 2018 19:7

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  6. Content type: Research Article

    The coexistence of Cd2+ and Zn2+ ions in nature has a significant influence on their environmental behaviors in soils and bioavailability for plants. While many studies have been done on the mutual toxicity of Cd

    Authors: Tingting Fan, Chengbao Li, Juan Gao, Dongmei Zhou, Marcelo Eduardo Alves and Yujun Wang

    Citation: Geochemical Transactions 2018 19:5

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  7. Content type: Research Article

    Minerals constitute a primary ecosystem control on organic C decomposition in soils, and therefore on greenhouse gas fluxes to the atmosphere. Secondary minerals, in particular, Fe and Al (oxyhydr)oxides—colle...

    Authors: Jason W. Stuckey, Christopher Goodwin, Jian Wang, Louis A. Kaplan, Prian Vidal-Esquivel, Thomas P. Beebe Jr. and Donald L. Sparks

    Citation: Geochemical Transactions 2018 19:6

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  8. Content type: Research Article

    We studied the effects of humic substances (HS) on the sorption of Fe(II) onto Al-oxide and clay sorbents at pH 7.5 with a combination of batch kinetic experiments and synchrotron Fe K-edge EXAFS analyses. Fe(II)...

    Authors: Ying Zhu, Jingjing Liu, Omanjana Goswami, Ashaki A. Rouff and Evert J. Elzinga

    Citation: Geochemical Transactions 2018 19:3

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  9. Content type: Research article

    The upper carbonate member of the Kaibab Formation in northern Arizona (USA) was subaerially exposed during the end Permian and contains fractured and zoned chert rubble lag deposits typical of karst topograph...

    Authors: Ray Kenny

    Citation: Geochemical Transactions 2018 19:2

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  10. Content type: Research Article

    Adsorption and precipitation reactions often dictate the availability of phosphorus in soil environments. Tripolyphosphate (TPP) is considered a form of slow release P fertilizer in P limited soils, however, i...

    Authors: Jordan G. Hamilton, Jay Grosskleg, David Hilger, Kris Bradshaw, Trevor Carlson, Steven D. Siciliano and Derek Peak

    Citation: Geochemical Transactions 2018 19:1

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  11. Content type: Research article

    Iron (Fe) and manganese (Mn) are the two most common redox-active elements in the Earth’s crust and are well known to influence mineral formation and dissolution, trace metal sequestration, and contaminant tra...

    Authors: Michael V. Schaefer, Robert M. Handler and Michelle M. Scherer

    Citation: Geochemical Transactions 2017 18:7

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  12. Content type: Research article

    Humic substances (HS) are redox-active compounds that are ubiquitous in the environment and can serve as electron shuttles during microbial Fe(III) reduction thus reducing a variety of Fe(III) minerals. Howeve...

    Authors: Anneli Sundman, James M. Byrne, Iris Bauer, Nicolas Menguy and Andreas Kappler

    Citation: Geochemical Transactions 2017 18:6

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  13. Content type: Research article

    The western Arctic Shelf has long been considered as an important sink of nitrogen because high primary productivity of the shelf water fuels active denitrification within the sediments, which has been recogni...

    Authors: Jian Zeng, Min Chen, Minfang Zheng, Wangjiang Hu and Yusheng Qiu

    Citation: Geochemical Transactions 2017 18:5

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  14. Content type: Research article

    To identify the causes of salinization and arsenic contamination of surface water on an embanked island (i.e., polder) in the tidal delta plain of SW Bangladesh we collected and analyzed water samples in the d...

    Authors: John C. Ayers, Gregory George, David Fry, Laura Benneyworth, Carol Wilson, Leslie Auerbach, Kushal Roy, Md. Rezaul Karim, Farjana Akter and Steven Goodbred

    Citation: Geochemical Transactions 2017 18:4

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  15. Content type: Research article

    Many important geochemical and biogeochemical reactions occur in the mineral/formation water interface of the highly abundant mineral, goethite [α-Fe(OOH)]. Ab initio molecular dynamics (AIMD) simulations of t...

    Authors: Ying Chen, Eric J. Bylaska and John H. Weare

    Citation: Geochemical Transactions 2017 18:3

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  16. Content type: Research article

    Hydrogen is known to occur in the groundwaters of some ancient cratons. Where associated gases have been dated, their age extends up to a billion years, and the hydrogen is assumed also to be very old. These o...

    Authors: John Parnell and Nigel Blamey

    Citation: Geochemical Transactions 2017 18:2

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  17. Content type: Review

    The participation of sunlight in the natural chemistry of the earth is presented as a unique field of study, from historical observations to prospects for future inquiry. A compilation of known reactions shows...

    Authors: Timothy A. Doane

    Citation: Geochemical Transactions 2017 18:1

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  18. Content type: Research Article

    Natural gas production from the Marcellus Shale formation has significantly changed energy landscape in recent years. Accidental release, including spills, leakage, and seepage of the Marcellus Shale flow back...

    Authors: Zhang Cai and Li Li

    Citation: Geochemical Transactions 2016 17:6

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  19. Content type: Research article

    The effect of simulated solar radiation on the oxidation of arsenite [As(III)] to arsenate [As(V)] on the layered manganese oxide, birnessite, was investigated. Experiments were conducted where birnessite susp...

    Authors: Samantha L. Shumlas, Soujanya Singireddy, Akila C. Thenuwara, Nuwan H. Attanayake, Richard J. Reeder and Daniel R. Strongin

    Citation: Geochemical Transactions 2016 17:5

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  20. Content type: Research article

    High salinity and arsenic (As) concentrations in groundwater are widespread problems in the tidal deltaplain of southwest Bangladesh. To identify the sources of dissolved salts and As, groundwater samples from...

    Authors: John C. Ayers, Steven Goodbred, Gregory George, David Fry, Laura Benneyworth, George Hornberger, Kushal Roy, Md. Rezaul Karim and Farjana Akter

    Citation: Geochemical Transactions 2016 17:4

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  21. Content type: Research article

    The presence of natural and industrial jarosite type-compounds in the environment could have important implications in the mobility of potentially toxic elements such as lead, mercury, arsenic, chromium, among...

    Authors: Iván A. Reyes, Ister Mireles, Francisco Patiño, Thangarasu Pandiyan, Mizraim U. Flores, Elia G. Palacios, Emmanuel J. Gutiérrez and Martín Reyes

    Citation: Geochemical Transactions 2016 17:3

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  22. Content type: Research article

    The interaction between Ca-HAP and Pb2+ solution can result in the formation of a hydroxyapatite–hydroxypyromorphite solid solution [(PbxCa1−x)5(PO4)3(OH)], which can greatly affect the transport and distribution...

    Authors: Yinian Zhu, Bin Huang, Zongqiang Zhu, Huili Liu, Yanhua Huang, Xin Zhao and Meina Liang

    Citation: Geochemical Transactions 2016 17:2

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  23. Content type: Research article

    In soils and sediments, manganese oxides and oxygen usually participate in the oxidation of ferrous ions. There is limited information concerning the interaction process and mechanisms of ferrous ions and mang...

    Authors: Tianyu Gao, Yougang Shen, Zhaoheng Jia, Guohong Qiu, Fan Liu, Yashan Zhang, Xionghan Feng and Chongfa Cai

    Citation: Geochemical Transactions 2015 16:16

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  24. Content type: Research article

    Manganese-oxides are one of the most important minerals in soil due to their widespread distribution and high reactivity. Despite their invaluable role in cycling many redox sensitive elements, numerous unknow...

    Authors: Matthew H. H. Fischel, Jason S. Fischel, Brandon J. Lafferty and Donald L. Sparks

    Citation: Geochemical Transactions 2015 16:15

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  25. Content type: Methodology

    Due to the biogeochemical fractionation of isotopes, organic material can be heterogeneous at the microscale. Because this heterogentiy preserves in the rock record, the microscale measurement of carbon isotop...

    Authors: Christopher H. House

    Citation: Geochemical Transactions 2015 16:14

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  26. Content type: Research article

    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

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  27. Content type: Research article

    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

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  28. Content type: Research article

    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

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  29. Content type: Research article

    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

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  30. Content type: Research article

    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

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  31. Content type: Research article

    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

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  32. Content type: Research article

    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

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  33. Content type: Research article

    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

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  34. Content type: Research article

    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

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  35. Content type: Research article

    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

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  36. Content type: Research article

    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

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  37. Content type: Research article

    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

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  38. Content type: Research article

    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

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  39. Content type: Methodology

    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

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  40. Content type: Research article

    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

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  41. Content type: Research article

    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

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