Volume 74; Issue 20

Geochimica et Cosmochimica Acta

Volume 74; Issue 20

1

Ancient graphite in the Eoarchean quartz–pyroxene rocks from Akilia in southern West Greenland I: Petrographic and spectroscopic characterization

Dominic Papineau, Bradley T. De Gregorio, George D. Cody, Marc D. Fries, Stephen J. Mojzsis, Andrew Steele, Rhonda M. Stroud, Marilyn L. Fogel

Journal:

Geochimica et Cosmochimica Acta

Année:

2010

Langue:

english

Fichier:

PDF, 2.96 MB

english, 2010

2

Effects of aridity and vegetation on plant-wax δD in modern lake sediments

Pratigya J. Polissar, Katherine H. Freeman

Journal:

Geochimica et Cosmochimica Acta

Année:

2010

Langue:

english

Fichier:

PDF, 414 KB

english, 2010

3

Pathways and regulation of carbon, sulfur and energy transfer in marine sediments overlying methane gas hydrates on the Opouawe Bank (New Zealand)

A.W. Dale, S. Sommer, M. Haeckel, K. Wallmann, P. Linke, G. Wegener, O. Pfannkuche

Journal:

Geochimica et Cosmochimica Acta

Année:

2010

Langue:

english

Fichier:

PDF, 858 KB

english, 2010

4

Ancient graphite in the Eoarchean quartz-pyroxene rocks from Akilia in southern West Greenland II: Isotopic and chemical compositions and comparison with Paleoproterozoic banded iron formations

Dominic Papineau, Bradley T. De Gregorio, Rhonda M. Stroud, Andrew Steele, Ernesto Pecoits, Kurt Konhauser, Jianhua Wang, Marilyn L. Fogel

Journal:

Geochimica et Cosmochimica Acta

Année:

2010

Langue:

english

Fichier:

PDF, 3.74 MB

english, 2010

5

Majoritic garnet: A new approach to pressure estimation of shock events in meteorites and the encapsulation of sub-lithospheric inclusions in diamond

Kenneth D. Collerson, Quentin Williams, Balz S. Kamber, Soichi Omori, Hiroyoshi Arai, Eiji Ohtani

Journal:

Geochimica et Cosmochimica Acta

Année:

2010

Langue:

english

Fichier:

PDF, 843 KB

english, 2010

6

13C–18O isotope signatures and ‘clumped isotope’ thermometry in foraminifera and coccoliths

Aradhna K. Tripati, Robert A. Eagle, Nivedita Thiagarajan, Alexander C. Gagnon, Henning Bauch, Paul R. Halloran, John M. Eiler

Journal:

Geochimica et Cosmochimica Acta

Année:

2010

Langue:

english

Fichier:

PDF, 2.20 MB

english, 2010

7

Formation, aggregation and reactivity of amorphous ferric oxyhydroxides on dissociation of Fe(III)–organic complexes in dilute aqueous suspensions

Mark W. Bligh, T. David Waite

Journal:

Geochimica et Cosmochimica Acta

Année:

2010

Langue:

english

Fichier:

PDF, 682 KB

english, 2010

8

Catalytic peptide hydrolysis by mineral surface: Implications for prebiotic chemistry

Karina Marshall-Bowman, Shohei Ohara, Dimitri A. Sverjensky, Robert M. Hazen, H. James Cleaves

Journal:

Geochimica et Cosmochimica Acta

Année:

2010

Langue:

english

Fichier:

PDF, 402 KB

english, 2010

9

Calcium promotes cadmium elimination as vaterite grains by tobacco trichomes

Marie-Pierre Isaure, Géraldine Sarret, Emiko Harada, Yong-Eui Choi, Matthew A. Marcus, Sirine C. Fakra, Nicolas Geoffroy, Sébastien Pairis, Jean Susini, Stephan Clemens, Alain Manceau

Journal:

Geochimica et Cosmochimica Acta

Année:

2010

Langue:

english

Fichier:

PDF, 1.42 MB

english, 2010

10

Two diffusion pathways in quartz: A combined UV-laser and RBS study

P.L. Clay, E.F. Baxter, D.J. Cherniak, S.P. Kelley, J.B. Thomas, E.B. Watson

Journal:

Geochimica et Cosmochimica Acta

Année:

2010

Langue:

english

Fichier:

PDF, 1.40 MB

english, 2010

11

Isotopic fractionation and reaction kinetics between Cr(III) and Cr(VI) in aqueous media

Sonja Zink, Ronny Schoenberg, Michael Staubwasser

Journal:

Geochimica et Cosmochimica Acta

Année:

2010

Langue:

english

Fichier:

PDF, 836 KB

english, 2010

12

Modeling the adsorption of Cd (II), Cu (II), Ni (II), Pb (II) and Zn (II) onto montmorillonite

Xueyuan Gu, Les J. Evans, Sarah J. Barabash

Journal:

Geochimica et Cosmochimica Acta

Année:

2010

Langue:

english

Fichier:

PDF, 422 KB

english, 2010

13

Effect of phosphate, silicate, and Ca on the morphology, structure and elemental composition of Fe(III)-precipitates formed in aerated Fe(II) and As(III) containing water

Ralf Kaegi, Andreas Voegelin, Doris Folini, Stephan J. Hug

Journal:

Geochimica et Cosmochimica Acta

Année:

2010

Langue:

english

Fichier:

PDF, 1.44 MB

english, 2010

14

Mineral associations and character of isotopically anomalous organic material in the Tagish Lake carbonaceous chondrite

Thomas J. Zega, Conel M. O’D. Alexander, Henner Busemann, Larry R. Nittler, Peter Hoppe, Rhonda M. Stroud, Andrea F. Young

Journal:

Geochimica et Cosmochimica Acta

Année:

2010

Langue:

english

Fichier:

PDF, 2.26 MB

english, 2010

15

Coupled (H+, M3+) substitutions in forsterite

Feiwu Zhang, Kate Wright

Journal:

Geochimica et Cosmochimica Acta

Année:

2010

Langue:

english

Fichier:

PDF, 553 KB

english, 2010

16

Sulfur K-edge XANES analysis of natural and synthetic basaltic glasses: Implications for S speciation and S content as function of oxygen fugacity

Pedro J. Jugo, Max Wilke, Roman E. Botcharnikov

Journal:

Geochimica et Cosmochimica Acta

Année:

2010

Langue:

english

Fichier:

PDF, 609 KB

english, 2010

17

Molecular and structural investigation of yukonite (synthetic & natural) and its relation to arseniosiderite

M.A. Gomez, L. Becze, R.I.R. Blyth, J.N. Cutler, G.P. Demopoulos

Journal:

Geochimica et Cosmochimica Acta

Année:

2010

Langue:

english

Fichier:

PDF, 2.24 MB

english, 2010