Dr. Peter Barry - Noble Gas Geochemist

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Peer-Reviewed Publications

31. Barry, P.H., Lawson, M., Meurer, D. Danabalan, Mabry, J.C., and Ballentine, C.J. (2017) Determining fluid migration and isolation times in multiphase crustal domains using noble gases, Geology, in press.

30. Mikhail, S., Barry, P.H., and Sverjensky, D.A., (2017) The role of pH on the deep-Earth nitrogen cycle. Geochim. Cosmochim. Acta, in press.

29. Ballentine, C.J. and Barry, P.H., (2017) Noble gases. Springer Earth Sciences Series. Encyclopedia of Geochemistry, in press.

28. Byrne, D.J., Barry, P.H., Lawson, M., Ballentine, C.J., (2017) Noble gases in conventional and unconventional hydrocarbon systems, The Geological Society of London – Special Edition, in press.

27. Barry, P.H., Lawson, M., Meurer, W.P., Warr, O., Mabry, J.C., Byrne, D.J., and Ballentine, C.J. (2016) Noble gases solubility models of hydrocarbon charge mechanisms in the Sleipner Vest methane field. Geochim. Cosmochim. Acta, 194, 291-309. doi: http://dx.doi.org/10.1016/j.gca.2016.08.021.

26. Barry P.H., and Hilton, D.R. (2016) Release of subducted sedimentary nitrogen throughout Earth’s mantle. Geochemical Perspectives Letters, 2, 138-147. doi: 10.7185/geochemlet.1614.

25. Correale, A., Rizzo, A.L., Barry, P.H., Lu, J., Zheng, J. (2016) Refertilization of lithospheric mantle beneath the Yangtze Craton, South East China: evidence from the noble gas geochemistry. Gondwana, 38, 289-303. doi:10.1016/j.gca.2015.12.021.

24. Halldórsson, S.A., Hilton, D.R., Barry, P.H., Füri, E., Grönvold, K. (2015) Recycling of Phanerozoic crustal material by the Iceland mantle plume: new evidence from nitrogen elemental and isotope systematics of subglacial basalts. Geochim. Cosmochim. Acta, 176, 206-226. doi:10.1016/j.gca.2015.12.021.

23. Füri, E., Barry, P.H., Taylor, L.A., Marty, B. (2015) Indigenous nitrogen in the Moon: Constraints from coupled nitrogen-noble gas analyses of mare basalts. Earth and Planetary Science Letters, 431, 195-205. doi:10.1016/j.epsl.2015.09.022.

22. Fischer, T. P., Ramirez, C., Mora Amador, R. A., Hilton, D. R., Barnes, J. D., Sharp, Z. D., Le Brun, M., de Moor, J. M., Barry, P. H., Füri, E., and Shaw, A. M. (2015) Temporal variations in fumarole gas chemistry at Poás volcano, Costa Rica. Journal of Volcanology and Geothermal Research, 294, 56-70. doi:10.1016/j.jvolgeores.2015.02.002.

21. Pernet-Fisher, J.F., Howarth, G.H., Pearson D.G., Barry, P.H., Woodland S., Pokhilenko N.P., Pokhilenko L.N., Agashev A.M. and Taylor, L.A. (2015) Plume impingement on the Siberian SCLM: Evidence from Re-Os isotope systematics. Lithos, in press. doi: 10.1016/j.lithos.2015.01.010

20. Day, J. M. D., Barry, P. H., Hilton, D.R., Burgess, R., Pearson D.G., and Taylor, L.A. (2015) The helium flux from the continents and ubiquity of low-3He/4He recycled crust and lithosphere. Geochim. Cosmochim. Acta, 153, 116-133. doi: 10.1016/j.gca.2015.01.008

19. Barry, P. H., Hilton, D. R., Day J.M.D., Pernet-Fisher, J.F., Howarth, G.H., Agashev A.M., Pokhilenko N.P., Pokhilenko L.N., and Taylor, L.A. (2015) Helium isotope evidence for modification of the cratonic lithosphere during the Permo-Triassic Siberian flood basalt event. Lithos, 216-217, 73-80. doi: 10.1016/j.lithos.2014.12.001.

18. Howarth, G. H., Pernet-Fisher, J. F., Balta, B. J., Barry, P. H., Bondar, R. J. and Taylor, L. A. (2014) Two-stage polybaric formation of the new enriched, pyroxene-oikocrystic/lherzolitic shergottite, NWA 7397. Meteoritics and Planetary Science, 1-19. doi: 10.1111/maps.12357.

17. Howarth, G.H., Sobolev, N.V, Pernet-Fisher, J.F., Barry, P.H., Penumadu, D., Puplampu, S., Ketcham, R.A., Maisano, J., Taylor, D., and Taylor, L.A. (2014) The secondary origin of diamonds: multi-modal radiation tomography of diamondiferous mantle xenoliths. International Geology Review, 56 (9), 1172-1180. doi: 10.1080/00206814.2014.926784.

16. Barry, P.H., Hilton, D.R., Füri, E., Halldórsson, S.A., Grönvold, K. (2014) Carbon isotope and abundance systematics, and CO2 fluxes from Icelandic geothermal gases, fluids and subglacial basalts, Geochim. Cosmochim. Acta, 134, 74-99. doi: http://dx.doi.org/10.1016/j.gca.2014.02.038.

15. Pernet-Fisher, J.F., Howarth, G.H., Lui, Y. Barry, P.H., Carmody, L., Valley, J.W., Bodnar, R.J., Spetsius, Z.V., Taylor, L.A. (2014) Komsomolskaya Diamondiferous Eclogites: Evidence for Oceanic Crustal Protoliths. Contributions to Mineralogy and Petrology, 167, 981. doi: 10.1007/s00410-014-0981-y.

14. Howarth, G.H., Barry, P.H., Pernet-Fisher, J.F., Baziotis, I.P., Pokhilenko, N.P., Pokhilenko, L.N., Bodnar, R.J., Taylor, L.A. (2014) Superplume Metasomatism: Evidence from Siberian mantle xenoliths, Lithos, 184–187, 209–224. doi: 10.1016/j.lithos.2013.09.006

13. Carmody, L., Barry, P.H., Shervais J.W., Kluesner, J.W. Taylor, L.A. (2013) Oxygen Isotopes in Subducted Oceanic Crust: A New Perspective from Siberian Diamondiferous Eclogites. Geology, Geophysics, and Geosystems (G-Cubed), 14. doi: 10.1002/ggge.20220.

12. Mposkos, E., Baziotis, I., Leontakianakos, G., Barry, P.H. (2013) The metamorphic evolution of the high-pressure Kechros complex in East Rhodope (NE Greece): implications from Na-Al-rich leucocratic rocks within antigorite serpentinites. Lithos 177, 17-33. doi: http://dx.doi.org/10.1016/j.lithos.2013.06.012.

11. Barry, P.H. and Taylor, L.A. (2013) Age of the Earth. In: Rink W., Thompson J. (Ed.) Encyclopedia of Scientific Dating Methods. doi: 10.1007/978-94-007-6326-5_65-7.

10. de Moor, J.M., Fischer, T.P., King, P.L., Botcharnikov, R.E., Hervig, R., Hilton, D.R., Barry, P.H., Mangasini, F., and Ramirez, C. (2013) Volatile-rich silicate melts from Oldoinyo Lengai volcano (Tanzania): Implications for carbonatite genesis and eruptive behavior. Earth and Planetary Science Letters 361, pp 379-390. doi: http://dx.doi.org/10.1016/j.epsl.2012.11.006.

9. Barry, P.H., Hilton, D.R., Fischer, T.P., de Moor, J.M., Mangasini, F, Ramirez, C.J., (2013) Helium and carbon isotope systematics of cold “mazuku” CO2 vents and hydrothermal gases and fluids from Rungwe Volcanic Province, southern Tanzania, Chemical Geology 339, pp 141-156. doi: 10.1016/j.chemgeo.2012.07.003.

8. Karlstrom, K.E., Crossey, L.J., Hilton, D.R., and Barry, P.H. (2013) Mantle 3He and CO2 degassing in carbonic and geothermal springs of Colorado and implications for neotectonics of the Rocky Mountains, Geology 41, pp 495-498. doi: 10.1130/G34007.1.

7. Kulongoski, J.T., Hilton, D.R., Barry, P.H., Esser, B., Hillegonds, D., and Belitz, K. (2013) Mantle-volatile weakening of the Big Bend Section of the San Andreas Fault, California: helium and carbon-dioxide systematics, Chemical Geology 339 pp 92-102. doi: http://dx.doi.org/10.1016/j.chemgeo.2012.09.007.

6. de Moor, J.M., Fischer, T.P., Sharp, Z.D., Hilton, D.R., Barry, P.H., Mangasini, F., and Ramirez, C. (2013) Gas chemistry and nitrogen isotope compositions of cold mantle gases from Rungwe Volcanic Province, southern Tanzania, Chemical Geology 339, pp 20-32. doi: http://dx.doi.org/10.1016/j.chemgeo.2012.08.004.

5. Barry, P.H., Hilton, D.R., Halldórsson S. A., Hahm, D. and Marti, K. (2012) High precision nitrogen isotope measurements in oceanic basalts using a static triple collection noble gas mass spectrometry. Geology, Geophysics, and Geosystems (G-Cubed), (Technical Briefs) 13, Number 1. doi: 10.1029/2011GC003878, 2012.

4. Hilton, D.R., Halldórsson, S.A., Barry, P.H., Fischer, T.P., de Moor, J.M., Ramirez, C.J., Mangasini, F. and Scarsi, P. (2011) Deep mantle plume contribution to the Rungwe volcanic province revealed by helium isotopes. Geophysical Research Letters. 38, pp 21. doi: 10.1029/2011GL049589.

3. Füri, E., Hilton, D.R., Halldórsson, S.A., Barry, P.H., Hahm, D., Fischer, T.P. and Grönvold, K. (2010) Apparent decoupling of the He and Ne isotope systematics of the Icelandic mantle: the role of He depletion, melt mixing, degassing fractionation and air interaction. Geochim. Cosmochim. Acta. 74, pp 3307-3332. doi: http://dx.doi.org/10.1016/j.gca.2010.03.023.

2. Hilton, D.R., Ramirez, C., Amador, R.A., Fischer, T.P., Füri, E, Barry, P.H., and Shaw, A.M. (2010) Monitoring of temporal and spatial variations in fumarole helium and carbon dioxide characteristics at Poas and Turrialba volcanoes, Costa Rica (2001-2009). Geochemical Journal 44, pp 431-440. doi: http://dx.doi.org/10.2343/geochemj.1.0085.

1. Barry, P.H., Hilton, D.R., Tryon, M.D., Brown, K.M., and Kulongoski, J.T. (2009) A New Syringe Pump Apparatus for the Retrieval and Temporal Analysis of Helium (SPARTAH) in groundwaters and geothermal fluids, Geology, Geophysics, and Geosystems (G-Cubed), (Technical Briefs) 10, Number 5, doi: 10.1029/2009GC002422, 2009.


Conference Abstracts

61. Barry, P.H., Lloyd, K., Pratt, K., de Moor, J.M., Giovannelli, D., Lopez, T., Hummer, D. (2017) Biology Meets Subduction: A Collaborative and Multi-disciplinary Deep Carbon Field Initiative. Third DCO International Science Meeting, St. Andrews.

60. Byrne D.J., Barry, P.H., Lawson, M., Hillegonds D.J., Ballentine, C.J. (2017) Constraining the evolution of noble gases during hydrocarbon generation in the Eagle Ford Shale. Goldschmidt 2017 Abstract. Geochim. Cosmochim. Acta 75(17) Supplement 1.

59. Barry, P.H., Kulongoski, J.T., Tyne, R.L., Hillegonds D.J., Byrne D.J., McMahon, P.B., Landon, M.K., Ballentine, C.J. (2017) Noble gas characteristics of produced gases from the Lost Hills and Fruitvale oil fields, USA. Goldschmidt 2017 Abstract. Geochim. Cosmochim. Acta 75(17) Supplement 1.

58. Barry, P.H., de Moor, J.M., Giovannelli, D., Hummer, D., Lloyd, K., Lopez, T. and Pratt, K. (2016) Proposal for Biology Meets Subduction: A Collaborative and Multi-disciplinary Deep Carbon Field Initiative. Subduction Zone Observatory Workshop, Boise Idaho.

57. Hilton, D.R., Evans, T.J., Ramirez, C.J., Kulongoski, J.T., Barry, P.H. (2016) Helium and CO2 systematics of the San Andreas Fault System, California, USA. International Geohazards Research Symposium, Taiwan.

56. Hilton, D.R., Barry, P.H., Ching-Chou, F., Yang, T.F., and Kulongoski, J.T., (2016) Continuous Sampling of Groundwater Volatiles in Earthquake-prone Regions. Goldschmidt 2016 Abstract. Geochim. Cosmochim. Acta 75(16) Supplement 1.

55. Danabalan, D., Gluyas, J.G., Macpherson, C.G., Abraham-James, T., Bluett, J.J., Barry, P.H., and Ballentine, C.J. (2016) Intercontinental helium exploration: New discoveries in Tanzania. Goldschmidt 2016 Abstract. Geochim. Cosmochim. Acta 75(16) Supplement 1.

54. M.W. Broadley, M.W., Barry, P.H., Burgess, R., Suminno, H., Ballentine, C.J., Taylor, L.A. (2016) Identifying metasomatic components within the SCLM using halogens and noble gases. Goldschmidt 2016 Abstract. Geochim. Cosmochim. Acta 75(15) Supplement 1.

53. Barry, P.H., Lawson, M., Meurer, W.P., Ballentine, C.J., (2016) Noble gas characteristics of Jurassic sourced oils and gases of the Gulf of Mexico, USA. Goldschmidt 2016 Abstract. Geochim. Cosmochim. Acta 75(15) Supplement 1.

52. Correale, A., Rizzo, A.L., Barry, P.H., Lu, J., Zheng, J., (2016) Evidence of refertilization of the lithospheric mantle beneath the Yangtze craton (south-east China) by a noble gases study. EGU Abstract.

51. Mikhail, S., Barry, P.H., Ballentine, C.J., Kelley, S.P., Heap, M.J., Jackson, C.J., (2016) A dynamic and testable hypothesis to describe the evolution of the Venusian surface environment. International Venus Conference Abstract.

50. Kulongoski, J.T., Wright, M.T., McMahon, P., Barry, P.H., Ballentine, C.J., Landon, M.K., (2016) Mass spectrometric analyses and modeling of noble gas isotopes to identify the sources and pathways for groundwater contamination from oil and gas field development in California. DINGUE Abstract.

49. Byrne, D.J., Barry, P.H., Lawson, M., Ballentine, C.J., (2016) Noble gas investigation of unconventional petroleum systems. DINGUE Abstract.

48. Barry, P.H., Lawson, M., Meurer, W.P., Ballentine, C.J., (2016) Noble gas partitioning in the Sleipner and Rotliegend hydrocarbon fields. DINGUE Abstract.

47. Mikhail, S., Barry, P.H., Jackson, C.J., Sverjensky, D.A., (2016) Hydrogen in the telluric planets: We must also consider ammonium, because water is but one of the storable hydrogenated molecules in silicate mantles. The Royal Society Conference Abstract: The origin, history and role of water in the evolution of the inner Solar System.

46. Hilton, D.R., Barry P.H., Ramirez, C.J., Kulongoski, J.T., Patel, B.S., Blackmon, K., (2015) Controls on the fore-arc CO2 flux along the Central America margin. Eos Trans. AGU, 90 (54), Fall Meet. Suppl., Abstract.

45. Barry, P.H., Lawson, M., Warr, O., Mabry, J.C., Byrne, D.J., Meurer, W.P., Ballentine, C.J., (2015) Noble gas partitioning behavior in the Sleipner Vest hydrocarbon field. Eos Trans. AGU, 90 (54), Fall Meet. Suppl., Abstract.

44. Barry, P.H. and Ballentine, C.J., (2015) Noble gas characteristics of hydrocarbon systems. Deep Carbon Observatory Early Career Scientist Workshop 2015, Talk Abstract.

43. Barry, P.H. and Ballentine, C.J., (2015) Partitioning of carbon and nobles gases in hydrocarbon reservoirs: examples from natural gas fields of NW Germany. Deep Carbon Observatory Early Career Scientist Workshop 2015, Poster Abstract.

42. Broadley, M.W., Barry, P.H., Sumino, H., Taylor, L.A., Zedgenzov, D.A., Ballentine, C.J. Burgess R., (2015) Multiple metasomatic events within the Siberian SCLM revealed by halogen and noble gas analysis. Goldschmidt 2015 Abstract. Geochim. Cosmochim. Acta 75(15) Supplement 1.

41. Füri, E., Barry, P.H., Taylor, L.A., Marty, B., (2015) Origin of nitrogen in lunar basalts. Goldschmidt 2015 Abstract. Geochim. Cosmochim. Acta 75(15) Supplement 1.

40. Pernet-Fisher, J.F., Magna, T., Barry, P.H., Taylor, L.A. Day, J.M.D., (2015) Lithium in mantle xenoliths from Siberian kimberlites. Goldschmidt 2015 Abstract. Geochim. Cosmochim. Acta 75(15) Supplement 1.

39. Danabalan, D., Gluyas, J.G., Macpherson, C.G., Barry, P.H., Warr, O., Mabry, J.C., Byrne, D.J., Ballentine, C.J. (2015) Neon isotopic evidence for the tectonic location of economic helium sources. Goldschmidt 2015 Abstract. Geochim. Cosmochim. Acta 75(15) Supplement 1.

38. Byrne, D.J., Barry, P.H., Lawson, M., Ballentine, C.J. (2015) Noble gas analysis of the Eagle Ford shale gas system. Goldschmidt 2015 Abstract. Geochim. Cosmochim. Acta 75(15) Supplement 1.

37. Barry, P.H., Lawson, M., Warr, O., Broadley, M.W., Mabry, J.C., Danabalan, D., Byrne, D.J., Ballentine, C.J., (2015) Noble gas characteristics of the Carboniferous Rotliegend hydrocarbon system, NW Germany. Goldschmidt 2015 Abstract. Geochim. Cosmochim. Acta 75(15) Supplement 1.

36. Halldórsson, S.A., Hilton, D.R., Barry, P.H., Füri, E., Grönvold, K., (2015) Recycling of Phanerozoic crustal material by the Iceland mantle plume: new evidence from nitrogen isotopes. JFI Spring Meeting of the Geoscience Society of Iceland.

35. Füri, E., Barry, P.H., Taylor, L.A., Marty, B., (2015) Nitrogen and Noble Gases in Lunar Basalts: Clues to the Origin of Nitrogen in the Moon’s Interior. European Lunar Symposium.

34. Barry P.H., Hilton, D.R., Day, J.M.D., Pernet-Fisher, J.F., Howarth, G.H., Taylor, L.A., (2014) Helium isotopes of the Siberian sub-continental lithospheric mantle: Insights from eclogite xenoliths. Eos Trans. AGU, 90 (54), Fall Meet. Suppl., Abstract.

33. Hilton, D.R., Barry P.H., Ramirez, C.J., Kulongoski, J.T., Patel, B.S., Blackmon, K., (2014) Constraining the fore-arc flux along the Central America margin. Eos Trans. AGU, 90 (54), Fall Meet. Suppl., Abstract.

32. Pernet-Fisher, J.F., Barry P.H., Howarth, G.H., Hilton, D.R., Agashev, A., Taylor, L.A., (2014) He-isotope systematics of Siberian depleted mantle peridotites: A petrological perspective. 2014 GSA Annual Meeting in Vancouver, British Columbia.

31. Taylor, L.A., Day, J.M.D., Goodrich, C.A., Howarth, G.H., Pernet-Fisher, J.F., Barry P.H., Ryabov, V., Pokhilenko, N.P., (2014) Metallic-Fe deposits in basalts: Siberia, Greenland, and Germany. International Mineralogical Association Abstract.

30. Howarth, G.H., Sobolev, N.V., Pernet-Fisher, J.F., Barry P.H., Taylor, L.A. (2014) X-ray tomography pseudo thin-section textural analysis of diamondiferous mantle eclogites. International Mineralogical Association Abstract.

29. Barry, P.H., Hilton, D.R., Recycled and Solar Nitrogen Contributions to the Central Indian Ridge (CIR) Réunion-plume system. Goldschmidt 2014 Abstract. Geochim. Cosmochim. Acta 75(15) Supplement 1.

28. Taylor, L.A., Pernet-Fisher, J.F., Liu, Y., Guan, Y., Chen, Y., Barry, P.H., Howarth, G.H. (2014) Critical Problems: Interpretations of OH contents in lunar apatites. Goldschmidt 2014 Abstract. Geochim. Cosmochim. Acta 75(15) Supplement 1.

27. Howarth, G.H., Day, J.M.D., Ryabov, V., Barry, P.H., Pernet-Fisher, J.F., Bodnar, R.J., Taylor, L.A. (2014) Highly siderophile element enrichment in native-Fe basaltic ores. Goldschmidt 2014 Abstract. Geochim. Cosmochim. Acta 75(15) Supplement 1.

26 Hilton, D.R., Evans, T., Zhang, X., Kulongoski, J.T., Ramirez, C.J., Blackmon, K., Barry, P.H. (2014) Helium and CO2 systematics of the San Andreas Fault. Goldschmidt 2014 Abstract. Geochim. Cosmochim. Acta 75(15) Supplement 1.

25. Patel, B.S., Hilton, D.R., Kulongoski, J.T., Ramirez, C.J., Barry, P.H., Blackmon, K. (2014) Tracing arc-like volatiles into Panama using helium and CO2. Goldschmidt 2014 Abstract. Geochim. Cosmochim. Acta 75(15) Supplement 1.

24. Barry, P.H., Pernet-Fisher, J.F., Howarth, G.H., Day, J.M.D., Taylor, L.A. (2014) Highly-reduced, HSE-rich metallic-Fe Deposits in the Siberian Trap Basalts: An analog of extraterrestrial conditions? LPI Contributions.

23. Howarth, G.H., Pernet-Fisher, J.F., Barry, P.H., Pewitt, M.L., Bodnar, R.J., McSween, H.Y., Taylor, L.A. (2014) Tupelo EL6 Chondrite: Lithophile-element abundances in sulfides and metals. LPI Contributions.

22. Pernet-Fisher, J.F., Howarth, G.H., Barry, P.H., Bodnar, R.J., Taylor, L.A. (2014) The extent of aqueous alteration within the Jbilet Winselwan CM2 Chondrite. LPI Contributions.

21. Howarth, G.H., Pernet-Fisher, J.F., Barry, P.H., Bodnar, R.J., Taylor, L.A. (2014) Petrology of the new enriched lherzolitic shergottite NWA 7397: Two –stages of formation. LPI Contributions.

20. Pernet-Fisher, J.F., Liu, Y., Guan, Y., Chen, Y., Howarth, G.H., Barry, P.H., Taylor, L.A. (2014) The significance of OH Contents in Lunar Apatites. LPI Contributions.

19. Barry, P.H., Hilton, D.R., Howarth, G.H., Pernet-Fisher, J.F., Day, J.M.D., Taylor, L.A. (2013) Helium isotope evidence for plume metasomatism of Siberian continental lithosphere. Eos Trans. AGU, 90 (54), Fall Meet. Suppl., Abstract.

18. Pernet-Fisher, J.F., Pearson, D.G., Barry, P.H., Howarth G.H., Pokhilenko N.P., Taylor, L.A. (2013) Re-Os systematics of the Siberian lithosphere: Evidence for melt percolation and lithospheric re-fertilization. Eos Trans. AGU, 90 (54), Fall Meet. Suppl., Abstract.

17. Barry, P.H., Hilton, D.R., Taylor L.A. (2013) Nitrogen isotope and noble gas characteristics of Siberian xenoliths. DINGUE Abstract.

16. Barry, P.H., Hilton, D.R., Taylor L.A. (2013) Ancient recycled nitrogen isotope signatures in Siberian xenoliths. Goldschmidt 2013 Abstract. Geochim. Cosmochim. Acta 75(15) Supplement 1.

15. Barry, P.H., Hilton, D.R., Marti, K., and Taylor, L.A. (2013) Indigenous Lunar Nitrogen. LPI Contributions, 1719, 2160.

14. Pokhilenko, N. Taylor, L.A., Aleksey, M., Agashev, A., Pokhilenko, L., Baziotis, I.P., Carmody, L. Barry, P.H. (2012) Superplume under the Siberian Craton: Evidence from metasomatic signatures in kimberlitic xenoliths. Eos Trans. AGU, 90 (54), Fall Meet. Suppl., Abstract D151A-2340.

13. Barry, P.H., Hilton, D.R., Füri, E, Murton, B.J., Hemond, C. and Dyment, J. (2011) Stable Isotope (C-N) and Noble Gas (Ne-Ar) Evidence for Recycled Plume Components at the CIR Geochim. Cosmochim. Acta 75(15) Supplement 1.

12. Barry, P.H., Hilton, D.R., Füri, E., Halldórsson, S.A., Fischer T.P. and Grönvold K. (2010) Abundance and isotope systematics of carbon in Icelandic subglacial basalts, geothermal gases and fluids. Eos Trans. AGU, 90 (52), Fall Meet. Suppl., Abstract U21A-0006.

11. Halldórsson, S.A., Hilton, D.R., Scarsi, P., Abebe, T., Massi, K.M., Barry, P.H., Fischer, T.P., de Moor, J., and Rudnick, R.L. (2010) He-Ne-Ar Isotope Studies of Mafic Volcanic Rocks and Mantle Xenoliths from the East African Rift System-Contrasting Isotope Signals in Different Rift Branches. AGU Fall Meeting Abstracts 1: 01.

10. Hilton, D.R., Barry, P.H., and Fischer T.P. (2010) Towards Understanding Carbon Recycling at Subduction Zones-Lessons from Central America." AGU Fall Meeting Abstracts: 0005.

9. Becker, T.W., Crowley, J.W., Gérault, M., Höink, T., Schaeffer, A.J., Barry, P.H., Frost, J., et al. (2010) Deep Water Cycle: Its Role in Earth's Thermal Evolution and Plate Tectonics. AGU Fall Meeting Abstracts 1 (2010): 06.

8. Barry, P.H., Hilton, D.R., Füri, E., Halldórsson, S.A. Fischer, T.P., and Grönvold, K. (2010) Abundance and Isotope Systematics of Carbon in Subglacial Basalts, Geothermal Gases and Fluids from Iceland's Rift Zones. AGU Fall Meeting Abstracts 1: 0006.

7. Barry, P.H., Hilton, D.R., Fischer, T.P., de Moor, J.M., Mangasini F., and Ramírez., C. (2009) Helium and carbon isotope systematics of Rungwe geothermal gases and fluids; southern Tanzania. Eos Trans. AGU, 90 (52), Fall Meet. Suppl., Abstract V11G-02.

6. Barry, P.H., Hilton, D.R., Sano, Y., Takahata, N., Murton, B.J., Füri, E., Hemond, C., and Dyment, J., (2009) Nitrogen Isotopes and Plume-Ridge Interaction: The Central Indian Ridge and the Reykjanes Ridge Geochimica et Cosmochimica Acta 73, no. 13, Supplement: pA93.

5. Hilton, D.R., Füri, E., Fischer, T.P., Ramírez, C., Tryon, M., Barry, P.H., and Brown, K., et al. (2009) He-CO2 Characteristics of Submarine and Subaerial Fluids of the Costa Rica Forearc. Geochimica et Cosmochimica Acta Supplement 73 (2009): 532.

4. Prade, K.C., Fischer, T.P., Sharp, Z.D., Hilton, D.R., Grönvold, K., Füri, E., Halldórsson, S.A., and Barry, P.H. (2009) Nitrogen Isotope Geochemistry as a Volatile Tracer of the Deep Mantle: Insights from Iceland. AGU Fall Meeting Abstracts 1: 1773.

3. de Moor, J.M., Fischer, T.P., King, P.L., Hilton, D.R., Sharp, Z.D., Barry, P.H., Ramirez, C., and Mangasini., F. (2009) Geochemistry and Degassing Systematics of Silicate Magma at Ol Doinyo Lengai, Tanzania. AGU Fall Meeting Abstracts 1: 2069.

2. Fischer, T.P., Burnard, P., Marty, B., de Moor, J.M., Hilton, D.R., Shaw, A.M., Barry, P.H., Ramirez, C., and Mangasini, F. (2009) Oldoinyo Lengai Gas Chemistry from 2005 to 2009: Insights to Carbonatite-Nephelinite Volcanism. AGU Fall Meeting Abstracts 1: 06.

1. Füri, E., Hilton, D.R., Dyment, J., Hémond, C., Murton, B., Day, J.M.D., Barry, P.H., et al. (2009) International Research. INTERRIDGE NEWS 277: 1957-62.