The helium and carbon isotope systematics of a continental geothermal system: results from monitoring studies at Long Valley caldera (California, U.S.A.)

Bailey, 1983, The volcano hazards program: observations and longrange plans, U.S. Geol. Surv., Open-File Rep. 83-400, 10.3133/ofr83400

Blake, 1988, Continuing worldwide increase in tropospheric methane, 1978–1987, Science, 239, 1129, 10.1126/science.239.4844.1129

Craig, 1953, The geochemistry of the stable carbon isotopes, Geochim. Cosmochim. Acta, 3, 53, 10.1016/0016-7037(53)90001-5

Craig, 1957, Isotopic standards for carbon and oxygen and correction factors for mass spectrometric analysis of carbon dioxide, Geochim. Cosmochim. Acta, 12, 133, 10.1016/0016-7037(57)90024-8

Craig, 1965, Deuterium and oxygen 18 variations in the ocean and marine atmosphere, 9

Craig, 1976, Primordial neon, helium and hydrogen in oceanic basalts, Earth Planet. Sci. Lett., 31, 369, 10.1016/0012-821X(76)90118-7

Craig, 1978, A mantle helium component in circum-Pacific volcanic gases: Hakone, the Marianas and Mt. Lassen, 3

Ellis, 1963, The solubility of carbon dioxide above 100C in water and sodium chloride solutions, Am. J. Sci., 261, 47, 10.2475/ajs.261.1.47

Des Marais, 1985, Carbon exchange between the mantle and the crust, and its effect upon the atmosphere: today compared to the Archean time, 32, 602

Dunai, 1995, Helium-, neon- and argon-systematics of the European subcontinental mantle: implications for its geochemical evolution, Geochim. Cosmochim. Acta, 59, 2767, 10.1016/0016-7037(95)00172-V

Farrar, 1985, Hydrologic and geochemical monitoring in Long Valley caldera, Mono County, California, 1982-1984, U.S. Geol. Surv., Water Resour. Invest. Rep. 85-4183

Gasparon, 1994, Crustal contamination processes traced by helium isotopes: Examples from the Sunda arc, Indonesia, Earth Planet. Sci. Lett., 126, 15, 10.1016/0012-821X(94)90239-9

Giggenbach, 1993, Helium isotopic and chemical composition of gases from volcanic-hydrothermal systems in the Philippines, Geothermics, 22, 369, 10.1016/0375-6505(93)90025-I

Greisshaber, 1992, Helium and carbon isotope systematics in Crustal fluids from the Eifel, the Rhine Graben and Black Forest, F.R.G, Chem. Geol., 99, 213, 10.1016/0009-2541(92)90178-8

Hildreth, 1979, The Bishop Tuff: evidence for the origin of compositionally zoned magma chambers, Geol. Soc. Am. Spec. Pap., 180, 43

Hildreth, 1988, Crustal contributions to arc magmatism in the Andes of Central Chile, Contrib. Mineral. Petrol., 98, 455, 10.1007/BF00372365

Hill, 1985, Review of evidence on the potential for major earthquakes and volcanism in the Long Valley-Mono Craters-White Mountain regions of eastern California, Earthquake Predict. Res., 3, 571

Hilton, 1989, The Siljan deep well: Helium isotope results, Geochim. Cosmochim. Acta, 53, 3311, 10.1016/0016-7037(89)90110-5

Hilton, 1993, Helium isotope characteristics of Andean geothermal fluids and lavas, Earth Planet. Sci. Lett., 120, 265, 10.1016/0012-821X(93)90244-4

Irving, 1980, Tectonic relations of carbon dioxide discharges and earthquakes, J. Geophys. Res., 85, 3115, 10.1029/JB085iB06p03115

Javoy, 1991, The volatile record of a “popping” rock from the Mid-Atlantic Ridge at 14°N: chemical and isotopic composition of gas trapped in vesicles, Earth Planet. Sci. Lett., 107, 598, 10.1016/0012-821X(91)90104-P

Javoy, 1978, Experimental determination of the isotopic fractionation between gaseous CO2 and carbon dissolved in a tholeiitic melt: a preliminary study, Contrib. Mineral. Petrol., 67, 35, 10.1007/BF00371631

Julian, 1983, Evidence for dike intrusion earthquake mechanisms near Long Valley caldera, California, Nature (London), 303, 323, 10.1038/303323a0

Lesniak, 1994, δ13C in low temperature, CO2-charged waters: a need for consistency with carbonate chemistry, Mineral. Mag., 58A, 521, 10.1180/minmag.1994.58A.2.09

Linde, 1994, Increased pressure from rising bubbles as a mechanism for remotely triggered seismicity, Nature (London), 371, 408, 10.1038/371408a0

Marty, 1987, C3He in volatile fluxes from the solid Earth: implications for carbon geodynamics, Earth Planet. Sci. Lett., 83, 16, 10.1016/0012-821X(87)90047-1

Marty, 1989, Helium isotopes and CO2 in volcanic gases of Japan, Chem. Geol., 76, 25, 10.1016/0009-2541(89)90125-3

Marty, 1994, He, Ar, O, Sr and Nd isotope constraints on the origin and evolution of Mount Etna magmatism, Earth Planet. Sci. Lett., 126, 23, 10.1016/0012-821X(94)90240-2

Mattey, 1991, Carbon dioxide solubility and carbon isotope fractionation in basaltic melt, Geochim. Cosmochim. Acta, 55, 3467, 10.1016/0016-7037(91)90508-3

Mattey, 1984, Carbon isotopes in submarine basalts, Earth Planet. Sci. Lett., 70, 196, 10.1016/0012-821X(84)90005-0

Matthews, 1987, Mantle-derived volatiles in continental crust: the Massif Central of France, Earth Planet. Sci. Lett., 85, 117, 10.1016/0012-821X(87)90026-4

Mook, 1974, Carbon isotope fractionation between dissolved bicarbonate and gaseous carbon dioxide, Earth Planet. Sci. Lett., 22, 169, 10.1016/0012-821X(74)90078-8

Moore, 1977, CO2-filled vesicles in mid-ocean basalt, J. Volcanol. Geotherm. Res., 2, 309, 10.1016/0377-0273(77)90018-X

Ozima, 1983, Noble Gas Geochemistry, 367

Pineau, 1983, Carbon isotopes and concentrations in mid-ocean ridge basalts, Earth Planet. Sci. Lett., 62, 239, 10.1016/0012-821X(83)90087-0

Porcelli, 1992, Isotopic relationships of volatile and lithophile trace elements in continental ultramafic xenoliths, Contrib. Mineral. Petrol., 110, 528, 10.1007/BF00344086

Poreda, 1983, Helium, neon, water, and carbon in volcanic rocks and gases

Poreda, 1989, Helium isotope ratios in circumPacific volcanic arcs, Nature (London), 338, 473, 10.1038/338473a0

Poreda, 1988, Magmatic helium in subduction-zone natural gases, Chem. Geol., 71, 199, 10.1016/0009-2541(88)90115-5

Rundle, 1988, The geophysics of a restless caldera - Long Valley, California, Annu. Rev. Earth. Planet. Sci., 16, 251, 10.1146/annurev.ea.16.050188.001343

Sanders, 1984, Location and configuration of magma bodies beneath Long Valley, California, determined from anomalous earthquake signals, J. Geophys. Res., 89, 8287, 10.1029/JB089iB10p08287

Sano, 1986, 3He4He anomalies associated with the 1984 western Nagano earthquake: Possibly induced by a diapiric magma, J. Geophys. Res., 91, 12291, 10.1029/JB091iB12p12291

Sano, 1988, Influence of volcanic eruptions on helium isotope ratios in hydrothermal systems induced by volcanic eruptions, Geochim. Cosmochim. Acta, 52, 1305, 10.1016/0016-7037(88)90284-0

Savage, 1987, Deformation near the Long Valley caldera, eastern California, 1982–1986, J. Geophys. Res., 92, 2721, 10.1029/JB092iB03p02721

Sorey, 1985, Evolution and present state of the hydrothermal system in Long Valley caldera, J. Geophys. Res., 90, 11219, 10.1029/JB090iB13p11219

Sorey, 1978, The hydrothermal system of Long Valley Caldera, California, U.S. Geol. Surv. Prof. Pap. 1044-A, 60

Sorey, 1993, Helium isotope and gas discharge variations associated with crustal unrest in Long Valley Caldera, California, 1989–1992, J. Geophys. Res., 98, 15871, 10.1029/93JB00703

Steeples, 1976, Low-velocity zone under Long Valley as determined from teleseismic events, J. Geophys. Res., 81, 849, 10.1029/JB081i005p00849

Sturchio, 1986, UTh geochronology of hydrothermal activity in the Long Valley caldera: Little Hot Creek and the Blue Chert, 15

Taylor, 1984, Chemical and isotopic composition of Casa Diablo hot spring: magmatic CO2 near Mammoth Lakes, California, Eos (Trans. Am. Geophys. Union), 65, 58

Tedesco, 1990, Helium-3 in subaerial and submarine fumaroles of Campi Flegrei caldera, Italy, Geochim. Cosmochim. Acta, 54, 1105, 10.1016/0016-7037(90)90442-N

Thomas, 1979, Helium/carbon dioxide ratios as premonitors of volcanic activity, Science, 204, 1195, 10.1126/science.204.4398.1195

Torgersen, 1982, Helium isotopes in geothermal systems: Iceland, The Geysers, Raft River and Steamboat Springs, Geochim. Cosmochim. Acta, 46, 739, 10.1016/0016-7037(82)90025-4

Trull, 1993, CHe systematics in hotspot xenoliths: CHe systematics in hotspot xenoliths: Implications for mantle carbon contents and carbon recycling, Earth. Planet. Sci. Lett., 118, 43, 10.1016/0012-821X(93)90158-6

Varekamp, 1992, Carbon sources in arc volcanism, with implications for the carbon cycle, Terra Nova, 4, 363, 10.1111/j.1365-3121.1992.tb00825.x

Weiss, 1971, Solubility of helium and neon in water and seawater, J. Chem. Eng. Data, 16, 235, 10.1021/je60049a019

Welhan, 1981, Carbon and hydrogen gases in hydrothermal systems: the search for a mantle source

Welhan, 1983, Methane, hydrogen and helium in hydrothermal fluids, 391

Welhan, 1988, Helium isotopes in geothermal gases of the western United States, II. Long Valley caldera, J. Volcanol. Geotherm. Res., 34, 201, 10.1016/0377-0273(88)90033-9

Welhan, 1988, Helium isotopes in geothermal and volcanic gases of the western United States, I. Regional variability and magmatic origin, J. Volcanol. Geotherm. Res., 34, 185, 10.1016/0377-0273(88)90032-7

Wilhelm, 1977, Low-pressure solubility of gases in liquid water, Chem. Rev., 77, 219, 10.1021/cr60306a003

Winnett, 1986, Isotopic composition of carbon in fluids from the Long Valley Geothermal system, California, U.S.A., 45