Carbon isotope and abundance systematics of Icelandic geothermal gases, fluids and subglacial basalts with implications for mantle plume-related CO2 fluxes

Geochimica et Cosmochimica Acta

Volumn 134, Issue , 2014, Pages 74-99

  Barry, P H ^a,b   Hilton, D R ^a   Furi E ^a,c   Halldorsson S A ^a   Gronvold K ^d  

^a UNIVERSITY OF CALIFORNIA   (United States)

^b UNIVERSITY OF TENNESSEE   (United States)

^c CRPG CNRS   (France)

^d UNIVERSITY OF ICELAND   (Iceland)

Author keywords

[No Author keywords available]

Indexed keywords

BASALT; CARBON DIOXIDE; CARBON ISOTOPE; DEGASSING; FLUID COMPOSITION; GEOTHERMAL SYSTEM; ISOTOPIC COMPOSITION; MANTLE PLUME;

ICELAND;

EID: 84897936080     PISSN: 00167037     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.gca.2014.02.038     Document Type: Article

References (161)

1. Agustsdottir A.M., Brantley S.L. Volatile fluxes integrated over four decades at Grímsvötn volcano, Iceland. J. Geophys. Res. 1994, 99:9505-9522.
2. 2 from Mount Etna. Nature 1991, 351:387-391.
3. Allard P., Burton M. R., Oskarsson N., Michel A., and Polacci M. (2010) Chemistry and fluxes of magmatic gases powering the explosive trachyandesitic phase of Eyjafjallajokull 2010 eruption: Constraints on degassing magma volumes and processes. In AGU Fall Meeting Abstracts (Vol. 1, p. 07).
4. Armannsson H. (1991) Geothermal energy and the environment. In: Geoscience Society of Iceland. Conference on Geology and Environmental Matters. Program and Abstracts, pp. 16-17 (in Icelandic).
5. Armannsson H., Gislason G., Torfason H. Surface exploration of the Theistareykir high-temperature geothermal area, Iceland, with special reference to the application of geochemical methods. Appl. Geochem. 1986, 1:47-64.
6. 2 emissions from geothermal power plants and natural geothermal activity in Iceland. Geothermics 2005, 34:286-296.
7. Arnórsson, S. (1991) Estimate of natural CO2 and H2S flow from Icelandic high-temperature geothermal areas. Conference on Geology and Environmental Matters. Program and Abstracts, pp. 18-19.
8. Arnórsson S. Geothermal systems in Iceland: structure and conceptual models-II. Low temperature areas. Geothermics 1995, 24:603-629.
9. Arnórsson S., Barnes I. The nature of carbon dioxide waters in Snaefellsnes, western Iceland. Geothermics 1983, 12:171-176.
10. 2 from magmatic sources in Iceland. Mineral. Mag. 1994, 58A:27-28.
11. Arnórsson S., Axelsson G., Sæmundsson K. Geothermal systems in Iceland. Jökull 2008, 58:269-302.
12. 2O in submarine lavas from the Society hotspot. Earth Planet. Sci. Lett. 2005, 235(3):511-527.
13. 2O in submarine lavas from the Pitcairn hotspot (South Pacific). Geophys. Res. Lett. 2006, 33(2).
14. 2 vents and hydrothermal gases and fluids from Rungwe Volcanic Province, southern Tanzania. Chem. Geol. 2013, 339:141-156.
15. Bianchi D., Sarmiento J.L., Gnanadesikan A., Key R.M., Schlosser P., Newton R. Low helium flux from the mantle inferred from simulations of oceanic helium isotope data. Earth Planet. Sci. Lett. 2010, 297:379-386.
16. Bijwaard H., Spakman W. Tomographic evidence for a narrow whole mantle plume below Iceland. Earth Planet. Sci. Lett. 1999, 166:121-126.
17. Bjarnason I.T., Schmeling H. The lithosphere and asthenosphere of the Iceland hotspot from surface waves. Geophys. J. Int. 2009, 178(1):394-418.
18. Bjarnason I.T., Menke W., Flovenz O.G., Caress D. Tomographic image of the Mid-Atlantic plate boundary in southwestern Iceland. J. Geophys. Res. 1993, 98:6607-6622.
19. Bjarnason I.T., Wolfe C.J., Solomon S.C. Initial results from the ICEMELT experiment: body-wave delay times and shear-wave splitting across Iceland. Geophys. Res. Lett. 1996, 23:459-462.
20. Bjornsson A. Dynamics of crustal rifting in Iceland. J. Geophys. Res. 1985, 90:151-162.
21. Bodvarsson G. Physical characteristics of natural heat resources in Iceland. Jokull 1961, 11:29-38.
22. 2-graphite-methane-hydrogen and water vapour. Geochim. Cosmochim. Acta 1969, 33:49-64.
23. Bottinga Y., Javoy M. MORB degassing: bubble growth and ascent. Chem. Geol. 1990, 81(4):255-270.
24. Brantley S.L., Koepenick K.W. Measured carbon dioxide emissions from Oldoinyo Lengai and the skewed distribution of passive volcanic fluxes. Geology 1995, 23:933-936.
25. Breddam K., Kurz M.D., Storey M. Mapping out the conduit of the Iceland mantle plume with helium isotopes. Earth Planet. Sci. Lett. 2000, 176:45-55.
26. Bureau H., Pineau F., Métrich N., Semet M.P., Javoy M. A melt and fluid inclusion study of the gas phase at Piton de la Fournaise volcano (Réunion Island). Chemical geology 1998, 147(1):115-130.
27. Burnard P., Harrison D. Argon isotope constraints on modification of oxygen isotopes in Iceland Basalts by surficial processes. Chem. Geol. 2005, 216:143-156.
28. Cartigny P. Stable isotopes and the origin of diamond. Elements 2005, 1(2):79-84.
29. Cartigny P., Boyd S., Harris J., Javoy M. Nitrogen isotopes in peridotitic diamonds from Fuxian, China: the mantle signature. Terra Nova 1997, 9(4):175-179.
30. 15N determinations. Chem. Geol. 1998, 147(1-2):147-159.
31. Cartigny P., De Corte K., Shatsky V.S., Ader M., De Paepe P., Sobolev N.V., Javoy M. The origin and formation of metamorphic microdiamonds from the Kokchetav massif, Kazakhstan: a nitrogen and carbon isotopic study. Chem. Geol. 2001, 176(1):265-281.
32. 2 flux measurements in volcanic and geothermal areas. Appl. Geochem. 1998, 13:543-552.
33. Condomines M., Grönvold K., Hooker P.J., Muehlenbachs K., O'Nions R.K., Oskarsson N., Oxburgh E.R. Helium, oxygen and strontium isotopic relationships in Icelandic volcanics. Earth Planet. Sci. Lett. 1983, 66:125-136.
34. 3He in deep water on the East Pacific Rise. Earth Planet. Sci. Lett. 1975, 26:125-132.
35. Crisp J.A. Rates of magma emplacement and volcanic output. J. Volcanol. Geotherm. Res. 1984, 20:177-212.
36. Darbyshire F.A., White R.S., Priestley K.F. Structure of the crust and uppermost mantle of Iceland from a combined seismic and gravity study. Earth Planet. Sci. Lett. 2000, 181:409-428.
37. Dasgupta R., Hirschmann M.M. The deep carbon cycle and melting in Earth's interior. Earth Planet. Sci. Lett. 2010, 298:1-13.
38. de Leeuw G. A. M. (2007) The noble gas and carbon systematics of divergent, convergent and strike-slip plate boundaries: examples from the Reykjanes Ridge, Central American Arc and North Anatolian Fault Zone. Ph. D. thesis, University of California, San Diego.
39. 13C depletion in the mantle. Geochimica et Cosmochimica Acta 1987, 51(5):1227-1243.
40. Delacour A., Fruh-Green G.L., Bernasconi S.M., Schaeffer P., Kelley D.S. Carbon geochemistry of serpentinites in the Lost City Hydrothermal System (30 N, MAR). Geochim. Cosmochim. Acta 2008, 72:3681-3702.
41. Delaney J.R., Muenow D.W., Graham D.G. Abundance and distribution of water, carbon and sulfur in the glassy rims of submarine pillow basalts. Geochim. Cosmochim. Acta 1978, 42:581-594.
42. 2 flux measurements at Popocatepetl volcano: II. Magnitude of emissions and significance. EOS Trans. Am. Geophys. Union 1998, 79:926-971.
43. Des Marais D.J., Moore J.G. Carbon and its isotopes in mid-oceanic basaltic glasses. Earth Planet. Sci. Lett. 1984, 69(1):43-57.
44. Dixon J.E., Clague D.A. Volatiles in basaltic glasses from Loihi Seamount, Hawaii: evidence for a relatively dry plume component. J. Petrol. 2001, 42(3):627-654.
45. Dixon J.E., Stolper E.M. An experimental study of water and carbon dioxide solubilities in mid-ocean ridge basaltic liquids. Part II: Applications to degassing. J. Petrol. 1995, 36(6):1633-1646.
46. 2-NaCl system. Geochim. Cosmochim. Acta 2013, 110:229-252.
47. 4He basalts: implications for a common reservoir, mantle heterogeneity and convection. Earth Planet. Sci. Lett. 2004, 224:511-523.
48. Ellis A.J., Golding R.M. The solubility of carbon dioxide above 100 degrees C in water and in sodium chloride solutions. Am. J. Sci. 1963, 261(1):47-60.
49. Exley R.A., Mattey D.P., Clague D.A., Pillinger C.P. Carbon isotope systematics of a mantle hotspot: a comparison of Loihi seamount and MORB glasses. Earth Planet. Sci. Lett. 1986, 78:189-199.
50. 3He fluxes and deep-sea circulation from an oceanic general circulation model. J. Geophys. 1995, 100:3829-3839.
51. Fine G., Stolper E. Dissolved carbon dioxide in basaltic glasses: concentration and speciation. Earth Planet. Sci. Lett. 1986, 76(3-4):263-278.
52. Fischer T.P., Burnard P., Marty B., Hilton D.R., Füri E., Palhol F., Sharp Z.D., Mangasini F. Upper-mantle volatile chemistry at Oldoinyo Lengai volcano and the origin of carbonatites. Nature 2009, 459(7243):77-80.
53. Fisk M.R., Storrie-Lombardi M.C., Douglas S., Popa R., McDonald G., Di Meo-Savoie C. Evidence of biological activity in Hawaiian subsurface basalts. Geochem. Geophys. Geosyst. 2003, 4:12.
54. Flower M.F.J., Pritchard R.G., Brem G., Cann J.R., Delaney J., Emmermann R., Gibson I.L., Oakley P.J., Robinson P.T., Schmincke H.U. Chemical stratigraphy, Iceland Research Drilling Project Reydarfjordur, eastern Iceland. J. Geophys. Res. 1982, 87:6489-6510.
55. Foulger G.R., Pritchard M.J., Julian B.R., Evans J.R., Allen R.M., Nolet G., Morgan W.J., Bergsson B.H., Erlendsson P., Jakobsdottir S., Ragnarsson S., Stefansson R., Vogfjord K. The seismic anomaly beneath Iceland extends down to the mantle transition zone and no deeper. Geophys. J. Int. 2000, 142:F1-F5.
56. Foulger G.R., Pritchard M.J., Julian B.R., Evans J.R., Allen R.M., Nolet G., Morgan W.J., Bergsson B.H., Erlendsson P., Jakobsdottir S., Ragnarsson S., Stefansson R., Vogfjord K. Seismic tomography shows that upwelling beneath Iceland is confined to the upper mantle. Geophys. J. Int. 2001, 146:504-530.
57. Fridleifsson I.B. Geothermal activity in Iceland. Jökull 1979, 29:47-56.
58. 2 emissions and heat flow through soil, fumaroles, and steam heated mud pools at the Reykjanes geothermal area, SW Iceland. Appl. Geochem. 2006, 21:1551-1569.
59. Friedman I., O'Neil J., Cebula G. Two new carbonate stable isotope standards. Geostand. Newslett. 1982, 6(1):11-12.
60. Füri E., Hilton D.R., Halldórsson S.A., Barry P.H., Hahm D., Fischer T.P., Grönvold K. 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 2010, 74:3307-3332.
61. Furnes H., Muehlebachs K., Torsvik T., Thorseth I.H., Tumyr O. Microbial fractionation of carbon isotopes in altered basaltic glass from the Atlantc Ocean, Lau Basin and Costa Rica Rift. Chem. Geol. 2001, 173:313-330.
62. Gerlach T.M. Etna's greenhouse pump. Nature 1991, 315:352-353.
63. Gerlach T.M., Graeber E.J. Volatile budget of Kilauea volcano. Nature 1985, 313:273-277.
64. Gerlach T.M., Taylor B.E. Carbon isotope constraints on degassing of carbon dioxide from Kilauea volcano. Geochim. Cosmochim. Acta 1990, 54:2051-2058.
65. Gslason S. R. (2000), Carbon dioxide from Eyjafjallajökull and Chemical Composition of SpringWater and River Water in the Eyjafjallajökull - Myrdalsjökull region. Science Institute, University of Iceland, Report RH-06-2000, 40.
66. Gislason S.R., Andresdottir A., Sveinbjornsdottir A.E., Oskarsson N., Thordarson Th., Torssander P., Novak M., Zak K. Local effects of volcanoes on the hydrosphere: example from Hekla, southern Iceland. Water-Rock Interaction 1992, 477-481. Balkema, Rotterdam. Y.K. Kharaka, A.S. Maest (Eds.).
67. Greenland L.P., Rose W.I., Stokes J.B. An estimate of gas emissions and magmatic gas content from Kilauea volcano. Geochim. Cosmochim. Acta 1985, 49:125.
68. 2 sequestration into basalts. Geochim. Cosmochim. Acta 2012, 81:129-152.
69. Hahm D., Hilton D.R., Castillo P.R., Hawkins J.W., Hanan B.B., Hauri E.H. An overview of the volatile systematics of the Lau Basin - resolving the effects of source variation, magmatic degassing and crustal contamination. Geochim. Cosmochim. Acta 2012, 85:88-113.
70. Hardarson B.S., Fitton J.G., Ellam R.M., Pringle M.S. Rift relocation-a geochemical and geochronological investigation of a palaeo-rift in NW Iceland. Earth Planet. Sci. Lett. 1997, 153:181-195.
71. Hart S.R., Schilling J.G., Powell J.L. Basalts from Iceland and along the Reykjanes Ridge: Sr isotope geochemistry. Nat. Phys. Sci. 1973, 246(155):104-107.
72. Hauri E. SIMS analysis of volatiles in silicate glasses, 2: isotopes and abundances in Hawaiian melt inclusions. Chem. Geol. 2002, 183(1):115-141.
73. Helmberger D., Wen L., Ding X. Seismic evidence that the source of the Iceland hotspot lies at the core-mantle boundary. Nature 1998, 396:251-258.
74. Heng L. (2004) Preliminary environmental impact assessment for the Hágöngur high-temperature area, central Iceland. The United Nations University: Geothermal Training Programme, 10.
75. Hilton D.R., Fischer T.P., Marty B. Noble gases and volatile recycling at subduction zones. Noble Gases in Cosmochemistry and Geochemistry 2002, vol. 47:319-370. Mineralogical Society of America.
76. 3He anomalies in the Icelandic crust. Chem. Geol. 1990, 88(1-2):53-67.
77. Hilton D.R., Hammerschmidt K., Loock G., Friedrichsen H. Helium and argon isotope systematics of the central Lau Basin and Valu Fa Ridge: evidence of crust/mantle interactions in a backarc basin. Geochim. Cosmochim. Acta 1993, 57:2819-2841.
78. Hilton D.R., Barling J., Wheller G.E. Effect of shallow-level contamination on the helium isotope systematics of ocean-island lavas. Nature 1995, 373(6512):330-333.
79. Hilton D.R., McMurtry G.M., Kreulen R. Evidence for extensive degassing of the Hawaiian Mantle Plume from helium-carbon relationships at Kilauea Volcano. Geophys. Res. Lett. 1997, 24(23):3065-3068.
80. 3He ratios signal rapid changes in magma chemistry at Loihi seamount, Hawaii. Nature 1998, 396:359-362.
81. Hilton D.R., Grönvold K., Sveinbjornsdottir A.E., Hammerschmidt K. Helium isotope evidence for off-axis degassing of the Icelandic hotspot. Chem. Geol. 1998, 149(3-4):173-187.
82. 4He ratios in northwest Iceland: constraining the common component in mantle plumes. Earth Planet. Sci. Lett. 1999, 173(1):53-60.
83. Hoefs J. Stable Isotope Geochemistry: Jochen Hoefs 2010, Springer.
84. Höskuldsson A., Sparks R.S.J., Carroll M.R. Constraints on the dynamics of subglacial basalt eruptions from geological and geochemical observations at Kverkfjöll, NE-Iceland. Bull. Volcanol. 2006, 68:689-701.
85. Jakobsson S.P., Gudmundsson M.T. Subglacial and intraglacial volcanic formations in Iceland. Jökull 2008, 58:179-197.
86. Jakobsson S.P., Jonasson K., Sigurdsson I.A. The three igneous rock series of Iceland. Jökull 2008, 58:117-138.
87. Jambon A., Weber H.W., Braun O. Solubility of He, Ne, Ar, Kr and Xe in a basalt melt in the range 1250-1600°C. Geochemical implications. Geochim. Cosmochim. Acta 1986, 50(3):401-408.
88. Javoy M. The major volatile elements of the Earth: their origin, behavior, and fate. Geophys. Res. Lett. 1997, 24(2):177-180.
89. Javoy M., Pineau F. The volatiles record of a "popping" rock from the Mid-Atlantic Ridge at 14 N: chemical and isotopic composition of gas trapped in the vesicles. Earth Planet. Sci. Lett. 1991, 107(3):598-611.
90. 2 and carbon dissolved in tholeiitic magma; a preliminary study. Contrib. Mineral. Petrol. 1978, 67:35-39.
91. Jendrzejewski N., Trull T.W., Pineau F., Javoy M. Carbon solubility in mid-ocean ridge basaltic melt at low pressures (250-1950 bar). Chem. Geol. 1997, 138:81-92.
92. Jóhannesson H. and K. Sæmundsson (1998) Geological map of Iceland. Bedrock geology, scale 1:500.000. Náttúrufræistofnun Islands, Reykjavík (2nd edition).
93. 2 degassing from the solid Earth. Rev. Geophys. 2001, 39(4):564-585.
94. 2 emissions from Icelandic geothermal systems: geological constraints and preliminary results. GFF 2004, 126(1):153-154.
95. Kulongoski J.T., Hilton D.R. A quadrupole-based mass spectrometric system for the determination of noble gas abundances in fluids. Geochem. Geophys. Geosyst. 2002, 3(6):1-10.
96. Kurz M.D., Meyer P.S., Sigurdsson H. Helium isotopic systematics within the neovolcanic zones of Iceland. Earth Planet. Sci. Lett. 1985, 74(4):291-305.
97. Lang S.Q., Butterfield D.A., Lilley M.D., Johnson H.P., Hedges J.I. Dissolved organic carbon in ridge-axis and ridge-flank hydrothermal systems. Geochim. Cosmochim. Acta 2006, 70:3830-3842.
98. Le Cloarec M.F., Marty B. Volatile fluxes from volcanoes. Terra Nova 1991, 3:17-27.
99. 3He exposure ages. Quat. Sci. Rev. 2007, 26(11):1529-1546.
100. Lux G. The behavior of noble gases in silicate liquids: Solution, diffusion, bubbles and surface effects, with applications to natural samples. Geochimica et Cosmochimica Acta 1987, 51(6):1549-1560.
101. 2 in Lau Basin basalts and ferrobasalts. Earth Planet. Sci. Lett. 1994, 121(3-4):263-276.
102. 4He ratios in the Manus backarc basin: implications for mantle mixing and the origin of plumes in the western Pacific Ocean. Geology 1998, 26:1007-1010.
103. 2O variability in natural basaltic glasses: A study comparing stepped heating and FTIR spectroscopic techniques. Geochim. Cosmochim. Acta 1999, 63(11-12):1805-1813.
104. 2O, He, Ne, and Ar in basaltic glasses from Kolbeinsey Ridge, North Atlantic. Geochim. Cosmochim. Acta 2005, 69(24):5729-5746.
105. 18O, recycled oceanic lithosphere in the source of central Iceland magmatism. Earth Planet. Sci. Lett. 2005, 233:411-427.
106. 2 beneath slow spreading ridges. Geochim. Cosmochim. Acta 2010, 11:11.
107. 2-Ar correlation in oceanic basalts. Nature 1995, 377:326-329.
108. Marty B. The origins and concentrations of water, carbon, nitrogen and noble gases on Earth. Earth Planet. Sci. Lett. 2012, 313:55-66.
109. 3He in volatile fluxes from the solid Earth: implications for carbon geodynamics. Earth Planet. Sci. Lett. 1987, 83:16-26.
110. 2 fluxes from mid-ocean ridges, arc and plumes. Chem. Geol. 1998, 145:233-248.
111. Marty B., Zimmermann L. Volatiles (He, C, N, Ar) in mid-ocean ridge basalts: assesment of shallow-level fractionation and characterization of source composition. Geochim. Cosmochim. Acta 1999, 63(21):3619-3633.
112. Mattey D.P. Carbon dioxide solubility and carbon isotope fractionation in basaltic melt. Geochim. Cosmochim. Acta 1991, 55(11):3467-3473.
113. Mattey D.P., Carr R.H., Wright I.P., Pillinger C.T. Carbon isotopes in submarine basalts. Earth Planet. Sci. Lett. 1984, 70(2):196-206.
114. 2 and dissolved carbon in basalt glass. Geochim. Cosmochim. Acta 1989, 53:2377-2386.
115. McDougall I., Kristjansson L., Saemundsson K. Magnetostratigraphy and geochronology of northwest Iceland. J. Geophys. Res. 1984, 89:7029-7060.
116. 2 and sulfur degassing. Contrib. Mineral. Petrol. 1991, 107(4):435-447.
117. Momme P., Oskarsson N., Keays R.R. Platinum-group elements in the Icelandic rift system: melting processes and mantle sources beneath Iceland. Chem. Geol. 2003, 196:209-234.
118. 2 filled vesicles in mid ocean basalt. J. Volcanol. Geotherm. Res. 1977, 2:309-327.
119. Morgan W.J. Convection plumes in the lower mantle. Nature 1971, 230:42-43.
120. Morner N.A., Etiope G. Carbon degassing from the lithosphere. Global Planet. Change 2002, 33:185-203.
121. 18O basalts from Iceland. Geochim. Cosmochim. Acta 1974, 38:577-588.
122. Mysen B.O., Arculus R.J., Eggler D.H. Solubility of carbon dioxide in melts of andesite, tholeiite, and olivine nephelinite composition to 30 kbar pressure. Contrib. Mineral. Petrol. 1975, 53:227-239.
123. O'Nions R.K., Oxburgh E.R. Helium, volatile fluxes and the development of the continental crust. Earth Planet. Sci. Lett. 1988, 90:331-347.
124. Oskarsson N., Sigvaldason G.E., Steinthorsson S. A dynamic model of rift zone petrogenesis and the regional petrology of Iceland. J. Petrol. 1982, 23:28-74.
125. Pálmason G., Johnsen G.V., Torfason H., Sæmundsson K, Ragnars K, Haraldsson G.I. and Halldórsson, G.K. (1985) Assessment of Geothermal Energy in Iceland. Orkustofnun OS-85076/JHD-10, 134 pp. (in Icelandic).
126. Palot M., Cartigny P., Harris J.W., Kaminsky F.V., Stachel T. Evidence for deep mantle convection and primordial heterogeneity from nitrogen and carbon stable isotopes in diamond. Earth and Planet. Sci. Lett. 2012, 357:179-193.
127. Pan V., Holloway J.R., Hervig R.L. The pressure and temperature dependence of carbon dioxide solubility in tholeiitic basalt melts. Geochimica et Cosmochimica Acta 1991, 56:1875-1883.
128. Peate D., Breddam W., Baker K., Kurz J.A., Barker M.D., Prestvik A.K., Grassineau N., Skovgaard A.C. Compositional characteristics and spatial distribution of enriched Icelandic mantle components. J. Petrol. 2010, 51(7):1447-1475.
129. 12C ratios of rocks and inclusions in popping-rocks of the mid-atlantic ridge and their bearing on the problem of isotopic composition of deep-seated carbon. Earth Planet. Sci. Lett. 1976, 29:413-421.
130. Porcelli D., Wasserburg G.J. Mass transfer of helium, neon, argon, and xenon through a steady-state upper mantle. Geochim. Cosmochim. Acta 1995, 59. 4921-493.
131. 13C relations. Geochim. Cosmochim. Acta 1992, 56(12):4221-4228.
132. Ray M.C., Hilton D.R., Muñoz J., Fischer T.P., Shaw A.M. 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. Chem. Geol. 2009, 266:38-49.
133. Ritsema J., van Heijst H.J., Woodhouse J.H. Complex shear wave velocity structure imaged beneath Africa and Iceland. Science 1999, 286:1925-1928.
134. Saal A.L., Hauri E.H., Langmuir C.H., Perfit M.R. Vapour undersaturation in primitive mid-ocean-ridge basalt and the volatile content of Earth's upper mantle. Nature 2002, 419:451-455.
135. Sano Y., Marty B. Origin of carbon in fumarolic gas from island arcs. Chem. Geol. 1995, 119(1):265-274.
136. Sano Y., Williams S.N. Fluxes of mantle and subducted carbon along convergent plate boundaries. Geophys. Res. Lett. 1996, 23(20):2749-2752.
137. Sano Y., Urabe A., Wakita H., Chiba H., Sakai H. Chemical and isotopic compositions of gases in geothermal fluids in Iceland. Geochem. J. 1985, 19:135-148.
138. Schilling J.G. Iceland mantle plume: geochemical study of Reykjanes Ridge. Nature 1973, 242:565-571.
139. Schilling J.G., Unni C.K., Bender M.L. Origin of chlorine and bromine in the oceans. Nature 1978, 273:631-636.
140. Shaw A.M., Hilton D.R., Fischer T.P., Walker J.A., Alvarado G. Contrasting He-C relationships in Nicaragua and Costa Rica: insights into C cycling through subduction zones. Earth Planet. Sci. Lett. 2003, 214:499-513.
141. 2O systematics of the Manus back-arc basin: resolving source composition from degassing and contamination effects. Geochim. Cosmochim. Acta 2004, 68(8):1837-1855.
142. Shilobreeva S., Martinez I., Busigny V., Agrinier P., Laverne C. Insights into C and H storage in the altered oceanic crust: results from ODP/IODP Hole 1256D. Geochim. Cosmochim. Acta 2011, 75(9):2237-2255.
143. Slater L., Jull M., McKenzie D., Grönvold K. Deglaciation effects on mantle melting under Iceland: results from the northern zone. Earth Planet. Sci. Lett. 1998, 164:151-164.
144. Stolper E., Holloway J.R. Experimental determination of the solubility of carbon dioxide in molten basalt at low pressure. Earth Planet. Sci. Lett. 1988, 87:397-408.
145. Stracke A., Bourdon B. The importance of melt extraction for tracing mantle heterogeneity. Geochim. Cosmochim. Acta 2009, 73:218-238.
146. Sun S.S., Tatsumoto M., Schilling J.G. Mantle plume mixing along the Reykjanes Ridge axis: lead isotopic evidence. Science 1975, 190(4210):143-147.
147. Thirlwall M.F., Gee M.A.M., Taylor R.N., Murton B.J. Mantle components in Iceland and adjacent ridges investigated using double-spike Pb isotope ratios. Geochim. Cosmochim. Acta 2004, 68(2):361-386.
148. 18O in the Icelandic mantle and its origins: evidence from Reykjanes Ridge and Icelandic lavas. Geochim. Cosmochim. Acta 2006, 70(4):993-1019.
149. Thorseth I.H., Furnes H., Heldal M. The importance of microbiological activity in the alteration of natural basaltic glass. Geochim. Cosmochim. Acta 1992, 56:845-850.
150. Tryggvason K., Husebye E.S., Stefansson R. Seismic image of the hypothesized Icelandic hot spot. Tectonophysics 1983, 100(1-3):97-118.
151. Tuffen H., Owen J., Denton J. Magma degassing during subglacial eruptions and its use to reconstruct palaeo-ice thicknesses. Earth Sci. Rev. 2010, 99(1-2):1-18.
152. Van Soest M.C., Hilton D.R., Kreulen R. Tracing crustal and slab contributions to arc magmatism in the Lesser Antilles island arc using helium and carbon relationships in geothermal fluids. Geochim. Cosmochim. Acta 1998, 62(19):3323-3335.
153. Varekamp J.C., Kreulen R., Poorter R.P.E., Van Bergen M.J. Carbon sources in arc volcanism, with implications for the carbon cycle. Terra Nova 1992, 4:363-373.
154. Wardell L.J., Kyle P.R. Volcanic carbon dioxide emission rates: White Island, New Zealand and Mt. Erebus, Antarctica (abstract). EOS Trans. AGU 1998, 79(45):927. (Fall Meeting Suppl.).
155. Weiss R.F. Solubility of helium and neon in water and seawater. J. Chem. Eng. Data 1971, 16(2):235-241.
156. 2 emissions from the Yellowstone volcanic system. Geochem. Geophys. Geosyst. 2003, 4:27.
157. White R.S. Melt production rates in mantle plumes. Philos. Trans. R. Soc. London 1993, A342:137-153.
158. White R.S., Bown J.W., Smallwood J.R. The temperature of the Iceland plume and origin of outward-propagating V-shaped ridges. J. Geol. Soc. London 1995, 152:1039-1045.
159. Williams S.N., Schaefer S.J., Calvache M.L., Lopez D. Global carbon dioxide emission to the atmosphere by volcanoes. Geochim. Cosmochim. Acta 1992, 56:1765-1770.
160. Wolfe C., Bjarnason I., VanDecar J., Soloman S. Seismic structure of the Iceland mantle plume. Nature 1997, 385:245-247.
161. Zhao D.P. Global tomographic images of mantle plumes and subducting slabs: insight into deep Earth dynamics. Phys. Earth Planet. Inter. 2004, 146(1-2):3-34.