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Náttúrufræðingurinn - 1987, Side 57

Náttúrufræðingurinn - 1987, Side 57
rochemistry of the Reykjadalur central vol- cano and the surrounding areas, midwest Iceland. - Ph. D. ritgerð, University of Durham, England: 273 bls. Helgi Björnsson, Sveinbjörn Björnsson & Por- björn Sigurgeirsson. 1982. Penetration of water into hot rock boundaries of magma at Grímsvötn. — Nature. 295: 580—581. Helgi Torfason. 1979. Investigations into the structure of south-eastern Iceland. - Ph. D ritgerð, University of Liverpool, England: 587 bls. Hermance, J. F. 1981. Crustal genesis in Ice- land: geophysical constraints on crustal thickening with age. — Geophys. Res. Lett. 8: 203-206. Hjálmar Eysteinsson & J. F. Hermance. 1985. Magnetotelluric measurements across the eastern neovolcanic zone in south Iceland. — J. Geophys. Res. 90: 10093—10103. Ingvar B. Friðleifsson. 1977. Distribution of large basaltic intrusions in the Icelandic crust. — Bull. Geol. Soc. Am. 88: 1689— 1693. Jaeger, J. C. 1959. Temperature outside a cool- ing intrusive sheet. — Am. J. Sci. 257: 44- 54. Jón Jónsson. 1978. Jarðfræðikort af Reykja- nesskaga. - Orkustofnun, OS-JHD-7831: 303 bls. Kristján Sæmundsson. 1979. Outline of the geology of Iceland. — Jökull. 29: 7—28. Kristján Tryggvason, E. S. Huseby & Ragnar Stefánsson. 1983. Seismic image of the hypothesized Icelandic hot spot. - Tecto- nophysics. 100: 97—118. Leó Kristjánsson. 1979. The shelf around Ice- land. — Jökull. 29: 3—6. Leó Kristjánsson. 1985. Magnetic and thermal effects of dike intrusions in Iceland. - J. Geophys. Res. 90: 10129—10135. Marsh, B. D. 1979. Island arc development: some observations, experiments, and speculations. — J. Geol. 87: 687—713. Níels Óskarsson, Sigurður Steinþórsson & Guð- mundur E. Sigvaldason. 1985. Iceland geochemical anomaly: origin, volcanotecto- nics, chemical fractionation, and isotope evolution of the crust. — J. Geophys. Res. 90: 10011-10025. Orcutt, J. A. J. S. McClain & M. Burnett. 1984. Evolution of the ocean crust: results from recent seismic experiments. - í: I. G. Gass, S. J. Lippard & A. W. Shelton (ritstj.), Ophiolites and oceanic lithosphere: 7-16, Blackwell, Oxford. Páll Einarsson. 1978. S-wave shadows in the Krafla caldera in NE-Iceland, evidence for a magma chamber in the crust. - Bull. Volca- nol. 41: 1-9. Páll Einarsson & Sveinbjörn Björnsson. 1979. Earthquakes in Iceland. — Jökull. 29: 37— 43. Pedersen, R. B. 1986. The nature and signifi- cance of magma chamber margins in ophiolites: examples from the Norwegian Caledonides. - Earth Planet. Sci. Lett. 77: 100-112. Ribe, N. M. 1985. The deformation and com- paction of partial molten zones. - Geophys. J. R. astr. Soc. 83: 487-501. Richter, F. M. & D. McKenzie. 1984. Dynami- cal models for melt segregation from a deformable matrix. — J. Geol. 92: 729—740. Ryan, M. P. R. Y. Koyanagi & R. S. Fiske. 1981. Modeling of the three-dimensional structure of magma transport systems: application to Kilauea volcano, Hawaii. - J. Geophys. Res. 86: 7111—7129. Sanford, A. R. & Páll Einarsson. 1982. Magma chambers in rifts. - í: Guðmundur Pálma- son (ritstj.), Continental and oceanic rifts: 147—168, American Geophysical Union Geodynamic Series, 8. Schmeling, H. 1985. Partial melt below Iceland: a combined interpretation of seismic and conductivity data. - J. Geophys. Res. 90: 10105-10116. Scott, D. R. & D. J. Stevenson. 1986. Magma ascent by porous flow. — J. Geophys. Res. 91: 9283-9296. Sigurður Steinþórsson. 1977. Tephra layers in a drill core from the Vatnajökull ice cap. - Jökull. 27: 2-27. Sigurður Steinþórsson. 1982. Petrology and plate tectonics. — Earth Evol. Sci. 2: 62-68. Sigurður Þórarinsson. 1967a. Skaftáreldar og Lakagígar. — Náttúrufræðingurinn. 37: 27- 57. Sigurður Þórarinsson. 1967b. Some problems of volcanism in Iceland. - Geol. Rundschau. 57: 1-20. Sigurður Pórarinsson. 1973. Eldgjá, the long chasm of fire. - Atlantica & Iceland Review. 11: 32—37. Sigurður Þórarinsson & Kristján Sæmundsson. 1979. Volcanic activity in historical time. - Jökull. 29: 29-32. Spera, F. 1980. Thermal evolution of plutons: a parameterized approach. — Science. 207: 299-301. Sveinbjörn Björnsson. 1983. Crust and upper 51
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