Jökull


Jökull - 01.01.2017, Side 94

Jökull - 01.01.2017, Side 94
JÖKULL THE ICELANDIC JOURNAL OF EARTH SCIENCES JÖKLARANNSÓKNAFÉLAG ÍSLANDS JARÐFRÆÐAFÉLAG ÍSLANDS 67. ÁR REYKJAVÍK 2017 Jökull, N o. 67 2017 The Icelandic Journal of Earth Sciences JÖKULL, No. 67, 2017 Contents – Efni Reviewed research articles Zeinab Jeddi, Giulia Sgattoni, Ólafur Guðmundsson, Ari Tryggvason and Björn Lund A peculiar cluster of microearthquakes on the eastern flank of Katla volcano, southern Iceland . . . . . . . . . . . . . . . . 1 Sigríður Inga Sigvaldadóttir, Sæmundur Ari Halldórsson and Guðmundur Heiðar Guðfinnsson Geochemistry and petrology of Holocene lavas in the Bárðardalur region, N-Iceland. Part I: Geochemical constraints on source provenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 Leó Kristjánsson and Geirfinnur Jónsson A total-field magnetic anomaly map of the Reykjanes peninsula, Southwest Iceland . . . . . . . . . . . . . . . . . . . . . . . . . 43 Society and data reports Finnur Pálsson; Myndir úr ferðum félagsins 2017 (2017 glacier expeditions) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50 Snævarr Guðmundsson and Helgi Björnsson Jöklabreytingar skoðaðar út frá gömlum ljósmyndum (evaluating glacier retreat from old photographs) . . . . . . . 51 Bergur Einarsson Jöklabreytingar (glacier variations) 1930–1970, 1970–1995, 1995–2015 og 2015–2016 . . . . . . . . . . . . . . . . . . . . . 65 Magnús Tumi Guðmundsson; Minning Árni Kjartansson (obituary) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70 Þorsteinn Sæmundsson; Morsárjökull . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72 Halldór Ólafsson; Upphaf Kröfluelda 1975 (the 1975 Krafla eruption) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73 Halldór Ólafsson; Eldgos sunnan Gjástykkisbungu í mars 1980 (the 1980 eruption) . . . . . . . . . . . . . . . . . . . . . . . . . 77 Jarðfræðafélag Íslands; Skýrsla stjórnar fyrir starfsárið (annual report) 2017 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81 Jöklarannsóknafélag Íslands; Skýrsla formanns á aðalfundi (annual report) 2017 . . . . . . . . . . . . . . . . . . . . . . . . . . . 83 Finnur Pálsson; Vorferð Jöklarannsóknafélags Íslands (spring expedition) 2017 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 86 Jöklarannsóknafélag Íslands; Reikningar (accounts) 2016. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88 ISSN 0449-0576

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