Publications

 
 
 

Publications :

[(1. Books and Special Volumes)]

Proceedings of the Fourteenth International Symposium on Water-Rock Interaction, 2013, (R. Hellmann and H. Pitsch, eds.), Procedia Earth and Planetary Science, v. , Elsevier, 964 p.

Water-Rock Interactions, Ore Deposits, and Environmental Geochemistry : A tribute to David A. Crerar, 2002, (R. Hellmann and S.A. Wood, eds.), Geochemical Society, 462 pp.

[(2.  Refereed Journal Articles and Book Chapters)]

Published :

41 publications ; 22 as first author

ISI Web of Knowledge : Cited Reference Index : total citations = 1393 (14.12.2015) ; H index : 20
Avg. number of citations corresponding to papers cited > 20x : 60 citations/paper
[***]top 5 in importance ; in [*red-*] current number of citations (14.12.2015)

To obtain article pdf’s, either click on the pdf icon, or send me an email

42. D.N. Leonard, R. Hellmann, 2016, Exploring dynamic surface processes during silicate mineral dissolution with liquid cell TEM, Journal of Microscopy (submitted).

41. [***]R. Hellmann, S. Cotte, E. Cadel, S. Malladi, L.S. Karlsson, S. Lozano-Perez, M. Cabié, A. Seyeux, 2015, Nanometre-scale evidence for interfacial dissolution-reprecipitation control of silicate glass dissolution.
Nature Materials, 14, 307-311. [*8 *(Web of Science trophy article- top 1% in field)*]

40. D. Tisserand, E. Pili, R. Hellmann, A.M. Boullier, L. Charlet, 2014, Geogenic arsenic in groundwaters in the western Alps. J. Hydrology, 518, 317-325. [*3*]

39. D. Daval, R. Hellmann, I. Martinez, S. Gangloff, F. Guyot, 2013, Lizardite serpentine dissolution kinetics as a function of pH and temperature, including effects of elevated pCO2. Chem. Geol, 351, 245-256. [*12*]

38. Daval D., Hellmann, R., Saldi G.D., Wirth R., Knauss K.G., 2013, Linking nm-scale measurements of silicate surfaces to macroscopic dissolution rate laws : new insights based on diopside. Geochim. Cosmochim. Acta, 107,121-134. [*25*]

37. Hellmann, R., Daval D., Wirth R., 2013. Formation of amorphous silica surface layers by dissolution-reprecipitation during chemical weathering : Implications for CO2 uptake. Procedia Earth Planetary Sci. [*4*]

36. *Hellmann, R., Wirth, R., Daval, D., Barnes, J.-P., Penisson, J.-M., Tisserand, D., Epicier, T., Florin, B., Hervig, R.L., 2012, Unifying natural and laboratory chemical weathering with interfacial dissolution-reprecipitation : A study based on the nanometer-scale chemistry of fluid-silicate interfaces. Chem. Geol., v. 294-295, 203-216. [*64 *(Web of Science trophy article- top 1% in field)*]

35. Montes-Hernandez, G., Sarret, G., Hellmann, R., Menguy, N., Testemale, D., Charlet, L., Renard, F., 2011, Nanostructured calcite precipitated under hydrothermal conditions in the presence of organic and inorganic selenium, Chem. Geol. v. 290, 109-120. [*10*]

34. Dunham-Cheatham. S., Rui, X., Bunker, B., Menguy, N., Hellmann R., and Fein, J., 2011, The effects of non-metabolizing bacterial cells on the precipitation of U, Pb and Ca phosphates, Geochim. Cosmochim. Acta, v. 75, 2828-2847. [*11*] pdf

33. *Daval, D., Sissmann, O., Menguy, N., Saldi, G.D., Guyot, F., Martinez, I., Corvisier, J., Garcia, B., Machouk, I., Knauss, K.G., Hellmann, R., 2011, Influence of amorphous silica layer formation on the dissolution rate of olivine at 90 °C and elevated pCO2, Chemical Geology, v. 284, 193-209. [*79 *(Web of Science trophy article- top 1% in field)*] pdf

32. Hellmann, R., Wirth, R., Barnes, J.-P., 2010, Chemical weathering of silicate minerals : linking laboratory and natural alteration. In Water Rock Interaction (P. Birkle, I.S. Torres-Alvarado, eds.), Taylor & Francis Group, London, 27-30. pdf

31. Daval, D., Sissmann, O., Corvisier, J., Garcia, B., Martinez, I., Guyot, F., Hellmann, R., 2010, The effect of silica coatings on the weathering rates of wollastonite (CaSiO3) and forsterite (Mg2SiO4) : an apparent paradox ? In Water Rock Interaction (P. Birkle, I.S. Torres-Alvarado, eds.), Taylor & Francis Group, London, 713-716. [*2*] pdf

30. Daval, D., Hellmann, R., Corvisier, J., Tisserand, D., Martinez, I., Guyot, F., 2010, Dissolution kinetics of diopside as a function of solution saturation state : Macroscopic measurements and implications for modeling of geological storage of CO2, Geochim. Cosmochim. Acta, v. 74, 2615-2633. [*21*] pdf

29. Hellmann, R., Daval D., Tisserand, D., 2010, The dependence of albite feldspar dissolution kinetics on fluid saturation state at acid and basic pH, Comptes rendus Geoscience 342, 676-684. [*19*] pdf

28. Daval, D., Martinez, I., Guigner, J.-M., Hellmann, R., Corvisier, J., Findling, N., Dominici, C., Goffé, B., Guyot, F. (2009) Mechanism of wollastonite carbonation deduced from micro- to nanometer length scale observations. Amer. Mineral. 94, 1707-1726. [*42*] pdf

27. Hellmann, R., Daval, D., Tisserand, D., Renard, F., 2007, Albite feldspar dissolution kinetics as a function of the Gibbs free energy at high pCO2, In Water Rock Interaction (T.D. Bullen, Y. Wang, eds.), Taylor & Francis, London, 591-595. [*2*] pdf

26. Le Guen, Y., Renard, F., Hellmann, R., Brosse, E., Collombet, M., Tisserand, D., and Gratier, J.-P., 2007, Enhanced deformation of limestone and sandstone in the presence of high pCO2 fluids. J. Geophys. Res. 112, B05421, doi:10.1029/2006JB004637. [*45*] pdf

25. Lee M.R., Brown D.J., Smith C.L., Hodson M.E., MacKenzie M., and Hellmann R., 2007, Characterization of mineral surfaces using FIB and TEM : A case study of naturally-weathered alkali feldspars. Amer. Mineral. 92, 1383-1394. [*48*] pdf

24. *Hellmann, R. and Tisserand, D., 2006, Dissolution kinetics as a function of the Gibbs free energy of reaction : an experimental study based on albite feldspar. Geochimica Cosmo. Acta 70, 364-383. [*92 (cited by Elsevier as a “Top 50 most cited article published in Geochimica Cosmochimica Acta for 2006-2011”)*] pdf

23. Renard, F., Gundersen, E., Hellmann, R., Collombet, M., and Le Guen, Y. (2005), Numerical modeling of the effect of carbon dioxide sequestration on the rate of pressure solution creep in limestone : preliminary results. Oil Gas Sci. Tech. 60, 381-399. [*23*] pdf

22. Hellmann, R., Penisson, J.-M., Hervig, R.L., Thomassin, J.-H., and Abrioux, M.F. (2004), Chemical alteration of feldspar : a comparative study using SIMS and HRTEM/EFTEM. In Water Rock Interaction (R.B. Wanty, R.R. Seal II, eds.), A.A. Balkema, Rotterdam, pp. 753-756. [*17*] pdf

21. *Hellmann, R., Penisson, J.-M., Hervig, R.L., Thomassin, J.-H., and Abrioux, M.F. (2003), An EFTEM/HRTEM high resolution study of the near surface of labradorite feldspar altered at acid pH : evidence for interfacial dissolution-reprecipitation. Physics Chem. Minerals, 30, pp. 192-197. [*94*] pdf

20. Hellmann, R., Gaviglio, P., Renders, P.J.N., Gratier, J.-P., Békri, S., and Adler, P. (2002b), Experimental pressure solution compaction of chalk in aqueous solutions. Part 2. Deformation examined by SEM, porosimetry, synthetic permeability, and X-ray computerized tomography. In Water-Rock Interactions, Ore Deposits, and Environmental Geochemistry : A tribute to David A. Crerar (R. Hellmann and S.A. Wood, eds.), Geochemical Society, pp. 153-178. [*19*] pdf

19. *Hellmann, R., Renders, P.J.N., Gratier, J.-P., and Guiguet, R. (2002a), Experimental pressure solution compaction of chalk in aqueous solutions. Part 1. Deformation behavior and chemistry. In Water-Rock Interactions, Ore Deposits, and Environmental Geochemistry : A tribute to David A. Crerar (R. Hellmann and S.A. Wood, eds.), Geochemical Society, pp. 129-152. [*35*] pdf

18. Hellmann, R., 1999, The dissolution behavior of albite feldspar at elevated temperatures and pressures : the role of surface charge and speciation, Mitt. Österr. Miner. Ges., 144, pp. 69-100. [*3*] pdf

17. Hellmann, R., 1999, "Stoichiometry" In Encyclopedia of Geochemistry (C.P. Marshall and R.W. Fairbridge, eds.), Kluwer Academic Publishers, Dordrecht. pdf

16. Hellmann, R., Gratier, J.P., Chen, T, 1998, Mineral-water interactions and stress : pressure solution of halite aggregates, Water-Rock Interaction WRI-9 (G. B. Arehart and J.R. Hulston, eds.), A.A. Balkema, Rotterdam, pp. 777-780. [*3*] pdf

15. Hellmann, R., 1997, The albite-water system Part IV. Diffusion modeling of leached and H-enriched layers, Geochim. Cosmochim. Acta., 61, 1595-1611. [*27*] pdf

14. Hellmann, R., Dran, J.-C., Della Mea, G., 1997, The albite-water system Part III. Characterization of leached and H-enriched layers formed at 300°C using MeV ion beam techniques, Geochim. Cosmochim. Acta., 61, 1575-1594. [*47*] pdf

13. Hellmann, R., 1995, The albite-water system Part II. The time evolution of the stoichiometry of dissolution as a function of pH at 100, 200 and 300°C, Geochim. Cosmochim. Acta., 59, 1669-1697. [*70*] pdf

12. Hellmann, R., 1994, The albite-water system Part I. The kinetics of dissolution as a function of pH at 100, 200 and 300°C, Geochim. Cosmochim. Acta, 58, 595-611. [*117*] pdf

11. Gratier J.-P., Chen T., and Hellmann R.,1994, Pressure solution as a mechanism for crack sealing around faults : Natural and experimental evidence. In USGS Red-Book : The Mechanical Involvement of Fluids in Faulting (eds. M.L. Jacobson, S. H. Hickman, R.H. Sibson, and R.L. Bruhn) ; pp. 279-300. U.S.G.S.- Menlo Park. [*9*] pdf

10. Hellmann, R., Drake, B. and Kjoller, K., 1992, Using atomic force microscopy to study the structure, topography and dissolution of albite surfaces, Water-Rock Interaction WRI-7 (Y.K. Kharaka and A.S. Maest, eds.), pp.149-152, A.A. Balkema. [*12*] pdf

9. Drake, B., Hellmann, R., Sikes, C.S., Occelli, M.L., 1992, Atomic scale imaging of albite feldspar, calcium carbonate, rectorite, and bentonite using atomic force microscopy, in Scanning Probe Microscopies vol. 1639, 151-159, SPIE. pdf

8. Drake, B. and Hellmann, R., 1991, Atomic force microscopy imaging of the albite (010) surface, American Mineralogist, 76, 1773-1776. [*22*] pdf

7. Hellmann, R., Eggleston, C.M., Hochella, M.F. Jr. and Crerar, D.A., 1990, The formation of leached layers on albite surfaces during dissolution under hydrothermal conditions. Geochim. Cosmochim. Acta 54, 1267-1281. [*128*] pdf

6. Hellmann, R. , Eggleston, C.M., Hochella, M.F. Jr. and Crerar, D.A., 1989, Altered layers on dissolving albite - 1. Results. In Water-Rock Interaction WRI-6 (ed. D.L. Miles), A.A. Balkema, Rotterdam, pp. 215-218. [*1*] pdf

5. Eggleston, C.M. and Hellmann, R., 1989, Altered layers on dissolving albite -2. Model. In Water-Rock Interaction WRI-6 (ed. D.L. Miles), A.A. Balkema, Rotterdam, pp. 293-296. [*6*] pdf

4. Hellmann, R., Crerar, D.A. and Zhang, R., 1989, Albite feldspar hydrolysis to 300°C. Solid State Ionics 32/33, 314-329. [*29*] pdf

3. Posey-Dowty, J., Crerar, D.A., Hellmann, R. and Chang, C.D., 1986, Kinetics of mineral-water reactions : theory, design and application of circulating hydrothermal equipment. Amer. Mineral. 71, 85-94. [*25*] pdf

2. Brantley, S.L., Crane, S.R., Crerar, D.A., Hellmann, R. and Stallard, R.F., 1986, Dissolution at dislocation etch pits in quartz. Geochim. Cosmochim. Acta 50, 2349-2361. [*167*] pdf

1. Brantley, S.L., Crane, S.R., Crerar, D.A., Hellmann, R. and Stallard, R.F., 1986, Dislocation etch pits in quartz, in Geochemical Processes at Mineral Surfaces (eds. J.A. Davis and K.F. Hayes) American Chemical Society Symposium Series No. 323, p.635-649. [*12*] pdf

[(3. Public outreach on the Internet)]

1. Hellmann, R., 2015, Y aurait-il un mécanisme universel d’altération en milieu aqueux ?
CNRS, INSU : http://www.insu.cnrs.fr/node/5162
OSUG : http://www.osug.fr/spip.php?article2707
CNRS, Institut de Physique : http://www.cnrs.fr/inp/spip.php?article3409