Náttúrufræðingurinn

Volume

Náttúrufræðingurinn - 1993, Page 69

Náttúrufræðingurinn - 1993, Page 69
White 1968. Oxygen isotope study of calcite and silicates of the River Ranch Nr. 1 well, Salton Sea geothermal field, California. Am. J. Sci. 266. 968-979. Coleman, M.L., T.J. Shepard, J.J. Durham, J.E. Rouse & G.R. Moore 1982. Reduc- tion of water with zinc for hydrogen iso- tope determination. Anal. Chem. 54. 993-995. Craig, H. 1961. Isotope varialions in rnete- oric waters. Science 133. 10702-10703. Darling, W.G. & Halldór Ármannsson 1989. Stable isotopic aspects of fluid flow in the Krafla, Námafjall and Theistareykir geothermal systems of northeast lceland. Chem. Geol. 76. 197- 213. Epstein, S. & T.K. Mayeda 1953. Varia- tion of O18 content of waters from natu- ral sources. Geochim. Cosmochim. Acta 4. 213-224. Friedman, 1. & J. O'Neil 1977. Compila- lion of stable isotope fractionation fac- tors ofgeochemical interest. USGS Prof Paper 440-KK. Friedman, 1., Þorbjörn Sigurgeirsson & Örn Garðarsson 1963. Deuterium in Ice- land waters. Geochim. Cosmochim. Acta 27. 553-561. Giauque, W.F. & H.L. Johnston. 1929. An isotope of oxygen of mass 18. Interpre- tation of the atmospheric absorption bands. J. Am. Chem. Soc. 51. 1436-1441. Giggenbach, W.F. 1971. Isotopic compo- sition of the Broadlands geothermal field, New Zealand. ./. Sci. 14. 959-970. Gregory, R.T. & H.P. Taylor 1981. An oxygen profile in a section of cretaceous oceanic crust, Samail ophiolite, Oman: Evidence for l80 circulation at midocean ridges. ./. Geophys. Res. 86. 2737-2755. Gunnar Böðvarsson 1961. Physical char- acteristics of nalural heat resources in Iceland. Jökull 11. 29-38. Gunnar Böðvarsson 1962. The use of iso- topes of hydrogen and oxygen for hydro- logical purposes in Iceland. Jökull 12. 49'54- Halldór Ármannsson, Ásgrímur Guð- mundsson & Benedikl S. Steingrímsson 1987. Exploration and developmenl of the Krafla geothermal area. Jökull 37. 13-30. Hrefna Kristmannsdóttir 1984. Chemical evidence from Icelandic geothermal sys- lerns as compared to submarine geother- mal systems. I Hydrothermal processes at seafloor spreading centers (ritstj. P.A. Rona, K. Bostrom, L. Laubier & K.L. Smith Jr.). Plenum Pubiishing Corpora- tion. Bls. 291-320. Jón Ólafsson & J.P. Riley 1978. Geo- chemical studies on the thernral brine from Reykjanes (lceland). Chem. Geol. 21. 219-237. Matsuhisa, Y.M., J.R. Goldsmith & R.N. Clayton 1979. Oxygen isotope fraction- ation in the system quartz-albite-anorth- ite-water. Geochim. Cosmochim. Acta 43. 1131-1140. Muehlenbachs, K., A.T. Anderson Jr. & Guðmundur E. Sigvaldason 1974. Low lsO basalts from Iceland. Geochim. Cosmochim. Acta 38. 577-588. Níels Oskarsson, Guðmundur E. Sig- valdason & Sigurður Steinþórsson 1982. A dynamic model of rift zone petrogen- esis and the regional petrology of Ice- land. J. Petrol. 23. 28-74 O’Neil, J.R., K.N. Clayton og T.K. Mayeda. 1969. Oxygen isotope fraction- ation on divalent metal carbonates. J. Chem. Phys. 51. 5547-5558. O'Neil, J.R. & H.P. Taylor 1967. The oxy- gen isotope and cation exchange chem- istry of feldspars. Am. Mineral. 52. 1414-1437. Taylor, H.P. Jr. 1974. The application of oxygen and hydrogen isotope studies to problents of hydrothermal alteration and ore deposition. Econ. Geol. 69. 843-883. Taylor, H.P. Jr. 1980. Stable isotope stud- ies of spreading centers and their bear- ing on the origin of granophyres and plagiogranites. í Proceedings of the International Meeting on Mafic Ultra- mafic Association in Orogenic Belts (ritstj. C. Allegre). CNRS . Bls. 149-165. Trausti Hauksson 1981. Reykjanes. Styrkur efna í jarðsjó. Orkustofnun, OS81015/ JHDIO. 53 bls. Truesdell, A.H., M. Nathenson & R.O. Rye 1977. The effects of subsurface boiling and dilution of the isotopic composition of Yellowstone thermal walers. Journal of Geophysical Research 82. 3694-3704. Urey, H.C., F.G. Brickwedde & G.M. Mttrphy 1932. A hydrogen isotope of 179
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