Volume 84; Issue none

Geochimica et Cosmochimica Acta

Volume 84; Issue none

1

Relationships between Fe redistribution and Po2 during mineral dissolution under low O2 conditions

Hirokazu Sugimori, Yoshiki Kanzaki, Takashi Murakami

Journal:

Geochimica et Cosmochimica Acta

Year:

2012

Language:

english

File:

PDF, 774 KB

english, 2012

2

The influence of organic matter decay on the distribution of major and trace elements in ombrotrophic mires – a case study from the Harz Mountains

Harald Biester, Yvonne-Marie Hermanns, Antonio Martinez Cortizas

Journal:

Geochimica et Cosmochimica Acta

Year:

2012

Language:

english

File:

PDF, 557 KB

english, 2012

3

Diagenetic and detrital origin of moretane anomalies through the Permian–Triassic boundary

Katherine L. French, Nicholas J. Tosca, Changqun Cao, Roger E. Summons

Journal:

Geochimica et Cosmochimica Acta

Year:

2012

Language:

english

File:

PDF, 1.12 MB

english, 2012

4

Stable iron isotope fractionation between aqueous Fe(II) and model Archean ocean Fe–Si coprecipitates and implications for iron isotope variations in the ancient rock record

Lingling Wu, Elizabeth M. Percak-Dennett, Brian L. Beard, Eric E. Roden, Clark M. Johnson

Journal:

Geochimica et Cosmochimica Acta

Year:

2012

Language:

english

File:

PDF, 891 KB

english, 2012

5

Co/Ni ratios at taenite/kamacite interfaces and relative cooling rates in iron meteorites

John T. Wasson, Peter Hoppe

Journal:

Geochimica et Cosmochimica Acta

Year:

2012

Language:

english

File:

PDF, 2.04 MB

english, 2012

6

The titanium-in-quartz (TitaniQ) thermobarometer: A critical examination and re-calibration

Ruifang Huang, Andreas Audétat

Journal:

Geochimica et Cosmochimica Acta

Year:

2012

Language:

english

File:

PDF, 1.12 MB

english, 2012

7

Interdiffusion of divalent cations in carbonates: Experimental measurements and implications for timescales of equilibration and retention of compositional signatures

Thomas Müller, Daniele Cherniak, E. Bruce Watson

Journal:

Geochimica et Cosmochimica Acta

Year:

2012

Language:

english

File:

PDF, 2.58 MB

english, 2012

8

A refined sampling strategy for intra-tooth stable isotope analysis of mammalian enamel

A. Zazzo, R. Bendrey, D. Vella, A.P. Moloney, F.J. Monahan, O. Schmidt

Journal:

Geochimica et Cosmochimica Acta

Year:

2012

Language:

english

File:

PDF, 592 KB

english, 2012

9

An initial investigation into the organic matter biogeochemistry of the Congo River

Robert G.M. Spencer, Peter J. Hernes, Anthony K. Aufdenkampe, Andy Baker, Pauline Gulliver, Aron Stubbins, George R. Aiken, Rachael Y. Dyda, Kenna D. Butler, Vincent L. Mwamba, Arthur M. Mangangu, Jos

Journal:

Geochimica et Cosmochimica Acta

Year:

2012

Language:

english

File:

PDF, 582 KB

english, 2012

10

A record of the extraterrestrial 3He flux through the Late Cretaceous

K.A. Farley, A. Montanari, R. Coccioni

Journal:

Geochimica et Cosmochimica Acta

Year:

2012

Language:

english

File:

PDF, 1.29 MB

english, 2012

11

Uptake of dissolved oxygen during marine diagenesis of fresh volcanic material

D.J. Hembury, M.R. Palmer, G.R. Fones, R.A. Mills, R. Marsh, M.T. Jones

Journal:

Geochimica et Cosmochimica Acta

Year:

2012

Language:

english

File:

PDF, 977 KB

english, 2012

12

The silicification of trees in volcanic ash - An experimental study

Chris Ballhaus, Carole T. Gee, Conny Bockrath, Karin Greef, Tim Mansfeldt, Dieter Rhede

Journal:

Geochimica et Cosmochimica Acta

Year:

2012

Language:

english

File:

PDF, 2.03 MB

english, 2012

13

Factors controlling the abiotic photo-degradation of monomethylmercury in surface waters

Frank J. Black, Brett A. Poulin, A. Russell Flegal

Journal:

Geochimica et Cosmochimica Acta

Year:

2012

Language:

english

File:

PDF, 708 KB

english, 2012

14

Allanite behaviour during incipient melting in the southern Central Alps

C.J. Gregory, D. Rubatto, J. Hermann, A. Berger, M. Engi

Journal:

Geochimica et Cosmochimica Acta

Year:

2012

Language:

english

File:

PDF, 3.14 MB

english, 2012

15

Experimental validation of environmental controls on the δ13C of Arctica islandica (ocean quahog) shell carbonate

Erin C. Beirne, Alan D. Wanamaker Jr., Scott C. Feindel

Journal:

Geochimica et Cosmochimica Acta

Year:

2012

Language:

english

File:

PDF, 904 KB

english, 2012

16

Natural zinc enrichment in peatlands: Biogeochemistry of ZnS formation

Soh-joung Yoon, Carolina Yáñez, Mary Ann Bruns, Nadia Martínez-Villegas, Carmen Enid Martínez

Journal:

Geochimica et Cosmochimica Acta

Year:

2012

Language:

english

File:

PDF, 1.30 MB

english, 2012

17

The sulfur-isotopic compositions of benzothiophenes and dibenzothiophenes as a proxy for thermochemical sulfate reduction

Alon Amrani, Andrei Deev, Alex L. Sessions, Yongchun Tang, Jess F. Adkins, Ronald J. Hill, J.Michael Moldowan, Zhibin Wei

Journal:

Geochimica et Cosmochimica Acta

Year:

2012

Language:

english

File:

PDF, 588 KB

english, 2012

18

Long chain 1,13- and 1,15-diols as a potential proxy for palaeotemperature reconstruction

Sebastiaan W. Rampen, Verónica Willmott, Jung-Hyun Kim, Eleonora Uliana, Gesine Mollenhauer, Enno Schefuß, Jaap S. Sinninghe Damsté, Stefan Schouten

Journal:

Geochimica et Cosmochimica Acta

Year:

2012

Language:

english

File:

PDF, 513 KB

english, 2012

19

Nutrient cycling in bedform induced hyporheic zones

L. Bardini, F. Boano, M.B. Cardenas, R. Revelli, L. Ridolfi

Journal:

Geochimica et Cosmochimica Acta

Year:

2012

Language:

english

File:

PDF, 4.27 MB

english, 2012

20

Partitioning of Ru, Rh, Pd, Re, Ir and Pt between liquid metal and silicate at high pressures and high temperatures - Implications for the origin of highly siderophile element concentrations in the Earth’s mantle

Ute Mann, Daniel J. Frost, David C. Rubie, Harry Becker, Andreas Audétat

Journal:

Geochimica et Cosmochimica Acta

Year:

2012

Language:

english

File:

PDF, 1.55 MB

english, 2012

21

Gold solubility in arc magmas: Experimental determination of the effect of sulfur at 1000 °C and 0.4 GPa

Sébastien Jégo, Michel Pichavant

Journal:

Geochimica et Cosmochimica Acta

Year:

2012

Language:

english

File:

PDF, 1.48 MB

english, 2012

22

Geochemical evidence for mixing between fluids exsolved at different depths in the magmatic system of Mt Etna (Italy)

Antonio Paonita, Antonio Caracausi, Giada Iacono-Marziano, Mauro Martelli, Andrea Rizzo

Journal:

Geochimica et Cosmochimica Acta

Year:

2012

Language:

english

File:

PDF, 1.22 MB

english, 2012

23

Evaluating the accretion of meteoritic debris and interplanetary dust particles in the GPC-3 sediment core using noble gas and mineralogical tracers

Thomas H. Darrah, Robert J. Poreda

Journal:

Geochimica et Cosmochimica Acta

Year:

2012

Language:

english

File:

PDF, 1.93 MB

english, 2012

24

Root-induced changes in pH and dissolved organic matter binding capacity affect copper dynamic speciation in the rhizosphere

Matthieu N. Bravin, Cédric Garnier, Véronique Lenoble, Frédéric Gérard, Yves Dudal, Philippe Hinsinger

Journal:

Geochimica et Cosmochimica Acta

Year:

2012

Language:

english

File:

PDF, 755 KB

english, 2012

25

Chronology of the angrite parent body and implications for core formation in protoplanets

Thorsten Kleine, Ulrik Hans, Anthony J. Irving, Bernard Bourdon

Journal:

Geochimica et Cosmochimica Acta

Year:

2012

Language:

english

File:

PDF, 1.27 MB

english, 2012

26

A theoretical study of the qualitative reaction mechanism for the homogeneous disproportionation of pentavalent uranyl ions

Matthew C.F. Wander, Kevin L. Shuford

Journal:

Geochimica et Cosmochimica Acta

Year:

2012

Language:

english

File:

PDF, 463 KB

english, 2012

27

Along and across arc geochemical variations in NW Central America: Evidence for involvement of lithospheric pyroxenite

Ken Heydolph, Kaj Hoernle, Folkmar Hauff, Paul van den Bogaard, Maxim Portnyagin, Ilya Bindeman, Dieter Garbe-Schönberg

Journal:

Geochimica et Cosmochimica Acta

Year:

2012

Language:

english

File:

PDF, 1.84 MB

english, 2012

28

Oxidative scavenging of thallium by birnessite: Explanation for thallium enrichment and stable isotope fractionation in marine ferromanganese precipitates

Caroline L. Peacock, Ellen M. Moon

Journal:

Geochimica et Cosmochimica Acta

Year:

2012

Language:

english

File:

PDF, 728 KB

english, 2012

29

Uptake of alkaline earth metals in Alcyonarian spicules (Octocorallia)

I. Taubner, F. Böhm, A. Eisenhauer, D. Garbe-Schönberg, J. Erez

Journal:

Geochimica et Cosmochimica Acta

Year:

2012

Language:

english

File:

PDF, 1.26 MB

english, 2012

30

Structure and dynamics of forsterite–scCO2/H2O interfaces as a function of water content

Sebastien Kerisit, John H. Weare, Andrew R. Felmy

Journal:

Geochimica et Cosmochimica Acta

Year:

2012

Language:

english

File:

PDF, 1.90 MB

english, 2012

31

Trace metal distribution and isotope variations in low-temperature calcite and groundwater in granitoid fractures down to 1 km depth

Henrik Drake, Eva-Lena Tullborg, K. Johan Hogmalm, Mats E. Åström

Journal:

Geochimica et Cosmochimica Acta

Year:

2012

Language:

english

File:

PDF, 2.53 MB

english, 2012

32

Ammonium stability and nitrogen isotope fractionations for –NH3(aq)–NH3(gas) systems at 20–70 °C and pH of 2–13: Applications to habitability and nitrogen cycling in low-temperature hydrothermal systems

Long Li, Barbara Sherwood Lollar, Hong Li, Ulrich G. Wortmann, Georges Lacrampe-Couloume

Journal:

Geochimica et Cosmochimica Acta

Year:

2012

Language:

english

File:

PDF, 471 KB

english, 2012

33

Diffusion of helium in olivine at 1 atm and 2.7 GPa

D.J. Cherniak, E.B. Watson

Journal:

Geochimica et Cosmochimica Acta

Year:

2012

Language:

english

File:

PDF, 596 KB

english, 2012

34

Boron and oxygen isotope systematics for a complete section of oceanic crustal rocks in the Oman ophiolite

Kyoko Yamaoka, Tsuyoshi Ishikawa, Osamu Matsubaya, Daizo Ishiyama, Kazuya Nagaishi, Yuko Hiroyasu, Hitoshi Chiba, Hodaka Kawahata

Journal:

Geochimica et Cosmochimica Acta

Year:

2012

Language:

english

File:

PDF, 781 KB

english, 2012

35

Hydrothermal fluids, argon isotopes and mineralization ages of the Fankou Pb–Zn deposit in south China: Insights from sphalerite 40Ar/39Ar progressive crushing

Ying-De Jiang, Hua-Ning Qiu, Yi-Gang Xu

Journal:

Geochimica et Cosmochimica Acta

Year:

2012

Language:

english

File:

PDF, 1.89 MB

english, 2012

36

Predominant floodplain over mountain weathering of Himalayan sediments (Ganga basin)

Maarten Lupker, Christian France-Lanord, Valier Galy, Jérôme Lavé, Jérôme Gaillardet, Ananta Prasad Gajurel, Caroline Guilmette, Mustafizur Rahman, Sunil Kumar Singh, Rajiv Sinha

Journal:

Geochimica et Cosmochimica Acta

Year:

2012

Language:

english

File:

PDF, 2.40 MB

english, 2012

37

A high resolution δ13C record in a modern Porites lobata coral: Insights into controls on skeletal δ13C

Nicola Allison, Adrian A. Finch

Journal:

Geochimica et Cosmochimica Acta

Year:

2012

Language:

english

File:

PDF, 751 KB

english, 2012

38

Evaluation of isotopic fractionation of oxygen ions escaping from terrestrial thermosphere

Yasutaka Hiraki, Akinori Yamada, Yasuko Kasai, Takamasa Seta, Minoru Ozima

Journal:

Geochimica et Cosmochimica Acta

Year:

2012

Language:

english

File:

PDF, 413 KB

english, 2012

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