Náttúrufræðingurinn

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Náttúrufræðingurinn - 2012, Qupperneq 125

Náttúrufræðingurinn - 2012, Qupperneq 125
125 Tímarit Hins íslenska náttúrufræðifélags 52. Sigurður Þórarinsson 1965. Sitt af hverju um Surtseyjargosið. Náttúru- fræðingurinn 35. 153–181. 53. Guðmundur Kjartansson 1966. Stapakenningin og Surtsey. Náttúrufræð- ingurinn 36. 1–34. 54. Jakob Þ. Guðbjartsson & Herdís H. Schopka 2001. Tindaskagi. Setfræði- leg rannsókn á móbergshrygg. Náttúrufræðistofnun Íslands, skýrsla NÍ-01015. 45 bls. 55. Werner, R., Schmincke, H-U. & Guðmundur E. Sigvaldason 1996. A new model for the evolution of table mountains: volcanological and petro- logical evidence from Herdubreid and Herdubreidartögl volcanoes (Ice- land). Geologische Rundschau 85. 390–397. 56. Kristján Sæmundsson 1967. Vulkanismus und Tektonik des Hengill- Gebietes in Südwest-Island. Acta Naturalia Islandica 2 (7). 105 bls. 57. Walker, G.P.L. & Blake, D.H. 1966. The formation of a palagonite breccia mass beneath a valley glacier in Iceland. Quaternary Journal of the Geo- logical Society 122. 45–58. 58. Sveinn P. Jakobsson & Johnson, G.L. 2012. Intraglacial volcanism in the Western Volcanic Zone, Iceland. Bulletin of Volcanology. DOI: 10.1007/ s00445-012-0589-x 59. Loughlin, S.C. 2002. Facies analysis of proximal subglacial and proglacial volcaniclastic successions at the Eyjafjallajökull central volcano, south- ern Iceland. Bls. 149–178 í: Volcano-ice Interaction on Earth and Mars (ritstj. Smellie, J.L. & Chapman, M.). Geological Society, Special Publica- tion 202. 60. Ármann Höskuldsson, Sparks, R.S.J. & Carroll, M.R. 2006. Constraints on the dynamics of subglacial basalt eruptions from geological and geo- chemical observations at Kverkfjöll, NE-Iceland. Bulletin of Volcanology 68. 689–701. 61. Elsa G. Vilmundardóttir & Snorri P. Snorrason 1997. Skaftárveita. Berg- grunnur við Langasjó. Jarðfræðikortlagning 1996. Orkustofnun, skýrsla OS-97067. 24 bls. 62. Elsa G. Vilmundardóttir, Freysteinn Sigurðsson, Snorri P. Snorrason, Guðrún Larsen & Ingibjörg Kaldal 1990. Sigalda-Veiðivötn. Berggrunnur, jarðgrunnur, vatnafar. Orkustofnun-Landsvirkjun. 18 bls. 63. Jóhann Helgason 1989. The Fjallgardar volcanic ridge in NE Iceland: an aborted early stage plate boundary or a volcanically dormant zone? Bls. 201–213 í: Magmatism in the ocean basins (ritstj. Saunders, A.D. & Norry, M.J.). The Geological Society, Special Publication 42. 64. Jóhann Helgason 1990. Brúardalur-Fiskidalsháls. Jarðlagafræði. Lands- virkjun, Reykjavík. Skýrsla. 78 bls. 65. Elsa G. Vilmundardóttir 1997. Berggrunnskort af Möðrudalsfjallgörðum og nágrenni. Orkustofnun, skýrsla OS-97066. 37 bls. 66. Schiellerup, H. 1995. Generation and equilibrium of olivine tholeiites in the northern rift zone of Iceland. A petrogenetic study of the Bláfjall table mountain. Journal of Volcanology and Geothermal Research 65. 161– 179. 67. Bergh, S.G. & Guðmundur E. Sigvaldason 1991. Pleistocene mass-flow deposits of basaltic hyaloclastites on a shallow submarine shelf, South Iceland. Bulletin of Volcanology 53. 597–611. 68. Gorny, C.F., White, J.D.L., Magnús T. Guðmundsson 2011. Progradation and characteristics of a lava-hyaloclastite Ridge, Snaebylisheidi, Iceland. AGU 2011 Fall Meeting, San Francisco, V31E-2579. 69. Nielsen, N. & Noe-Nygaard, A. 1936. Om den islandske “Palagonitformation”s Oprindelse: En foreløbig Meddelelse. Geografisk Tidsskrift 39. 3–36. 70. Furnes, H. & Ingvar B. Friðleifsson 1979. Pillow block breccias, occur- rences and mode of formation. Neues Jahrbuch für Geologie und Paläon- tologie, Monatshefte, 3. 147–154. 71. Sveinn P. Jakobsson & Moore, J.G. 1986. Hydrothermal minerals and alteration rates at Surtsey volcano, Iceland. Bulletin of the Geological Society of America 97. 648–659. 72. Bishop, J.L., Schiffman, P. & Southard, R. 2002. Geochemical and min- eralogical analyses of palagonite tuffs and altered rinds of pillow basalts in Iceland and application to Mars. Bls. 371–392 í: Volcano-Ice Interaction on Earth and Mars (ritstj. Smellie, J.L. & Chapman, M.). Geological Society, Special Publication 202. 73. Thorseth, I.H., Furnes, H. & Heldal, M. 1992. The importance of micro- biological activity in the alteration of natural basaltic glass. Geochimica et Cosmochimica Acta 56. 845–850. 74. Thorseth, I.H., Furnes, H. & Tumyr, O. 1995. Textural and chemical effects of bacterial activity on basaltic glass: an experimental approach. Chemical Geology 119. 139–160. 75. Sveinn P. Jakobsson 1996. Eiga gerlar þátt í ummyndun basaltgjósk- unnar í Surtsey? Búvísindi 10. 273–289. 76. Guðrún Larsen 2002. A brief overview of eruptions from ice-covered and ice-capped volcanic systems in Iceland during the past 11 centuries: frequency, periodicity and implications. Bls. 81–90 í: Volcano- Ice Interaction on Earth and Mars (ritstj. Smellie, J.L. & Chapman, M.). Geological Society, Special Publication 202. 77. Guðrún Larsen, Magnús T. Guðmundsson & Helgi Björnsson 1998. Eight centuries of periodic volcanism at the center of the Iceland hot spot revealed by glacier tephrastratigraphy. Geology 26. 943–946. 78. Guðrún Larsen 2000. Holocene eruptions within the Katla volcanic system, south Iceland. Jökull 49. 1–28. 79. Sigurður Þórarinsson 1958. The Öræfajökull eruption in 1362. Acta Naturalia Islandica II, 2. 100 bls. 80. Magnús T. Guðmundsson, Finnur Pálsson, Helgi Björnsson & Þórdís Högnadóttir 2002. The hyaloclastite ridge formed in the subglacial 1996 eruption in Gjálp, Vatnajökull, Iceland: present day shape and future preservation. Bls. 319–335 í: Volcano-Ice Interaction on Earth and Mars (ritstj. Smellie, J.L. & Chapman, M.). Geological Society, Special Publication 202. 81. Magnús T. Guðmundsson, Freysteinn Sigmundsson & Helgi Björnsson 1997. Ice-volcano interaction of the 1996 Gjálp subglacial eruption, Vatnajökull, Iceland. Nature 389. 954–957. 82. Jarosch, A., Magnús T. Guðmundsson, Þórdís Högnadóttir & Guðni Axelsson 2008. Progressive cooling of the hyaloclastite ridge at Gjálp, Iceland, 1996–2005. Journal of Volcanology and Geothermal Research 170. 218–229. 83. Valgarður Stefánsson, Guðni Axelsson, Ómar Sigurðsson, Guðmundur Guðmundsson & Benedikt Steingrímsson 1985. Thermal condition of Surtsey. Journal of Geodynamics 4. 91–106. 84. Walker, G.P.L. 1965. Some aspects of Quaternary volcanism. Transac- tions of the Leicester Litterary and Philosophical Society 59. 25–40. 85. Hreggviður Norðdahl & Halldór Pétursson 2005. Relative sea-level changes in Iceland: new aspects of the Weichselian deglaciation of Iceland. Bls. 25–78 í: Modern processes and past environments (ritstj. Caseldine, C., Russell, A., Jórunn Harðardóttir & Óskar Knudsen). 86. Paterson, W.S.B. 1994. The physics of glaciers. Pergamon, Oxford. 480 bls. 87. Jull, M. & McKenzie, D. 1996. The effect of deglaciation on mantle melt- ing beneath Iceland. Journal of Geophysical Research 101. 21815–21828. 88. Maclennan, J., Jull, M., McKenzie, D., Slater L. & Karl Grönvold 2002. The link between volcanism and deglaciation in Iceland. Geochemistry, Geophysics, Geosystems 3 (11), 1062. DOI:10.1029/2001GC000282. Um höfundana Sveinn P. Jakobsson (f. 1939) lauk mag. scient-prófi í jarðfræði við Kaupmannahafnarháskóla 1969 og hlaut dr. scient.-gráðu við sama háskóla 1980. Hann starfaði á Steindafræðisafninu í Kaupmannahöfn 1965–1969. Hann hefur starfað hjá Náttúrufræðistofnun Íslands síðan 1969 og var um tíma forstöðumaður stofnunarinnar. Magnús Tumi Guðmundsson (f. 1961) lauk BS.-prófi í jarðeðlisfræði frá Háskóla Íslands 1986 og doktorsprófi frá University College London 1992. Hann starfaði á Raunvísindastofnun Háskólans við jöklarannsóknir 1991–1994, varð dósent í jarðeðlisfræði 1995 og prófessor 2002. Forseti Jarðvísindadeildar og stjórnarformaður Jarðvísindastofnunar Háskólans 2008–2012. Póst- og netföng höfunda/Authors’ addresses Sveinn P. Jakobsson Náttúrufræðistofnun Íslands Urriðaholtsstræti 6–8 IS-210 Garðabær sjak@ni.is Magnús T. Guðmundsson Jarðvísindastofnun Háskólans Öskju, Sturlugötu 7 IS-101 Reykjavík mtg@hi.is
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