Search Results - "HILTON, D. R."

Upper-mantle volatile chemistry at Oldoinyo Lengai volcano and the origin of carbonatites by Fischer, T. P, Burnard, P, Marty, B, Hilton, D. R, Füri, E, Sharp, Z. D, Mangasini, F, Palhol, F

“…Carbonatite lavas are highly unusual in that they contain almost no SiO2 and are >50 per cent carbonate minerals. Although carbonatite magmatism has occurred…”
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Helium isotopes at Rungwe Volcanic Province, Tanzania, and the origin of East African Plateaux by Hilton, D. R., Halldórsson, S. A., Barry, P. H., Fischer, T. P., de Moor, J. M., Ramirez, C. J., Mangasini, F., Scarsi, P.

“…We report helium isotope ratios (3He/4He) of lavas and tephra of the Rungwe Volcanic Province (RVP) in southern Tanzania. Values as high as 15RA (RA = air…”
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Long-term preservation of slab signatures in the mantle inferred from hydrogen isotopes by Shaw, A. M., Hauri, E. H., Behn, M. D., Hilton, D. R., Macpherson, C. G., Sinton, J. M.

“…Subduction transports water into the mantle, but it is uncertain whether the water is preserved in the slab or is rapidly diffused. Analysis of hydrogen and…”
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Geothermal He and CO2 variations at Changbaishan intra-plate volcano (NE China) and the nature of the sub-continental lithospheric mantle by Hahm, D., Hilton, D. R., Cho, M., Wei, H., Kim, K.-R.

“…We report new He and CO2 data for geothermal fluids from Changbaishan Volcano located on the border of China and North Korea. Helium isotope ratios reach a…”
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Monitoring of temporal and spatial variations in fumarole helium and carbon dioxide characteristics at Poás and Turrialba volcanoes, Costa Rica (2001-2009) by HILTON, D. R., RAMÍREZ, C. J., MORA-AMADOR, R., FISCHER, T. P., FÜRI, E., BARRY, P. H., SHAW, A. M.

“…We report results of a 9-year monitoring program that took place from 2001 to 2009 of the helium and carbon isotope (3He/4He, δ13C) and relative abundances…”
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A deep mantle source for high 3He/4He ocean island basalts (OIB) inferred from Pacific near-ridge seamount lavas by Hahm, D., Castillo, P. R., Hilton, D. R.

“…One of the most contentious issues in the debate on the origin of volcanic island and seamount chains is the significance of high 3He/4He ratios at such…”
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Forearc Carbon Sink Reduces Long-Term Volatile Recycling Into the Mantle by Barry, P H, Moor, J M de, Giovannelli, D, Schrenk, M, Hummer, D R, Lopez, T, Pratt, C A, Segura, Y Alpízar, Battaglia, A, Beaudry, P, Bini, G, Cascante, M, d’Errico, G, Carlo, M di, Fattorini, D, Fullerton, K, Gazel, E, González, G, Halldórsson, S A, Iacovino, K, Ilanko, T, Kulongoski, J T, Manini, E, Martínez, M, Miller, H, Nakagawa, M, Ono, S, Patwardhan, S, Ramírez, C J, Regoli, F, Smedile, F, Turner, S, Vetriani, C, Yücel, M, Ballentine, C J, Fischer, T P, Hilton, D R, Lloyd, K G

“…Carbon and other volatiles are transported from Earth’s surface into the mantle at subduction margins. The efficiency of this transfer has profound…”
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Plume velocity determination for volcanic SO2 flux measurements by McGonigle, A. J. S., Hilton, D. R., Fischer, T. P., Oppenheimer, C.

“…Ground based volcanic SO2 fluxes provide important insights into the behaviour of volcanoes, and their impacts upon the atmosphere. In order to compute a flux,…”
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Variable SO2 emission rates for Anatahan volcano, the Commonwealth of the Northern Mariana Islands: Implications for deriving arc-wide volatile fluxes from erupting volcanoes by Hilton, D. R., Fischer, T. P., McGonigle, A. J. S., de Moor, J. M.

“…We report new spectroscopic‐derived SO2 emission rates for Anatahan volcano, Mariana Islands. Measurements of SO2 fluxes reveal large fluctuations over the…”
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WITHDRAWN: Temporal variations in fumarole gas chemistry at Poás volcano, Costa Rica by FISCHER, T. P, RAMIREZ, C, SHAW, A. M, MORA-AMADOR, R. A, HILTON, D. R, BAMES, J. D, SHARP, Z. D, LE BRUN, M, DE MOOR, J. M, BARRY, P. H, FÜRI, E

“…This article has been withdrawn at the request of the author(s) and/or editor. The Publisher apologizes for any inconvenience this may cause. The full Elsevier…”
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Effect of shallow-level contamination on the helium isotope systematics of ocean-island lavas by Hilton, D. R, Barling, J, Wheller, G. E

“…The bimodal distribution of helium isotope ratios in ocean-island lavas has provided powerful constraints on the composition and evolution of the Earth's…”
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Degassing at Anatahan volcano during the May 2003 eruption : Implications from petrology, ash leachates, and SO2 emissions by DE MOOR, J. M, FISCHER, T. P, HILTON, D. R, HAURI, E, JAFFE, L. A, CAMACHO, J. T

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The Prinsen af Wales Bjerge Formation Lavas, East Greenland: the Transition from Tholeiitic to Alkalic Magmatism during Palaeogene Continental Break-up by PEATE, D. W., BAKER, J. A., BLICHERT-TOFT, J., HILTON, D. R., STOREY, M., KENT, A. J. R., BROOKS, C. K., HANSEN, H., PEDERSEN, A. K., DUNCAN, R. A.

“…We present elemental and isotopic (Sr–Nd–Pb–Hf–Os–He) data on primitive alkalic lavas from the Prinsen af Wales Bjerge, East Greenland. Stratigraphical,…”
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Author Correction: Forearc carbon sink reduces long-term volatile recycling into the mantle by Barry, P. H., de Moor, J. M., Giovannelli, D., Schrenk, M., Hummer, D. R., Lopez, T., Pratt, C. A., Segura, Y. Alpízar, Battaglia, A., Beaudry, P., Bini, G., Cascante, M., d’Errico, G., di Carlo, M., Fattorini, D., Fullerton, K., Gazel, E., González, G., Halldórsson, S. A., Ilanko, T., Iacovino, K., Kulongoski, J. T., Manini, E., Martínez, M., Miller, H., Nakagawa, M., Ono, S., Patwardhan, S., Ramírez, C. J., Regoli, F., Smedile, F., Turner, S., Vetriani, C., Yücel, M., Ballentine, C. J., Fischer, T. P., Hilton, D. R., Lloyd, K. G.

“…An Amendment to this paper has been published and can be accessed via a link at the top of the paper…”
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How many mantle plumes in Africa? The geochemical point of view by Pik, R., Marty, B., Hilton, D.R.

“…The association of anomalous topographic swells and widespread Cenozoic volcanism within the African plate (Hoggar, Tibesti, Darfur, Ethiopian highlands,…”
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Author Correction: Forearc carbon sink reduces long-term volatile recycling into the mantle by Barry, P. H., de Moor, J. M., Giovannelli, D., Schrenk, M., Hummer, D. R., Lopez, T., Pratt, C. A., Segura, Y. Alpízar, Battaglia, A., Beaudry, P., Bini, G., Cascante, M., d’Errico, G., di Carlo, M., Fattorini, D., Fullerton, K., Gazel, E., González, G., Halldórsson, S. A., Iacovino, K., Kulongoski, J. T., Manini, E., Martínez, M., Miller, H., Nakagawa, M., Ono, S., Patwardhan, S., Ramírez, C. J., Regoli, F., Smedile, F., Turner, S., Vetriani, C., Yücel, M., Ballentine, C. J., Fischer, T. P., Hilton, D. R., Lloyd, K. G.

“…Change history: In this Article, the original affiliation 2 was not applicable and has been removed. In addition, in the Acknowledgements there was a statement…”
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Petrology of Alarcon Rise lavas, Gulf of California: Nascent intracontinental ocean crust by Castillo, P. R., Hawkins, J. W., Lonsdale, P. F., Hilton, D. R., Shaw, A. M., Glascock, M. D.

“…The Alarcon Basin in the southern Gulf of California originated by intracontinental rifting of the southwestern margin of North America and has evolved into an…”
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A helium isotope transect along the Indonesian archipelago by Hilton, D. R, Craig, H

“…Recent observations revealed that the Banda arc section of the Indonesian archipelago is the only circum-Pacific volcano arc with helium ratios significantly…”
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Temporal variations in fumarole gas chemistry at Poás volcano, Costa Rica by Fischer, T.P., Ramírez, 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., Shaw, A.M.

“…We report the chemical and isotopic composition of fumarole gas discharges collected at Poás Volcano, Costa Rica from 2001 to 2014, covering a period during…”
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The effects of volatile recycling, degassing and crustal contamination on the helium and carbon geochemistry of hydrothermal fluids from the Southern Volcanic Zone of Chile by Ray, Mary C., Hilton, David R., Muñoz, Jorge, Fischer, Tobias P., Shaw, Alison M.

“…We report new helium and carbon isotope ( 3He/ 4He, δ 13C) and relative abundance (CO 2/ 3He) characteristics of a suite of hydrothermal gases and fluids…”
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