Jökull - 01.01.2017, Blaðsíða 47

Svavarsdóttir et al.
Pernet-Fisher, J. F. 2012. Petrochemistry of the Northern
Rift Zone, NE Iceland: Plumbing dynamics and source
variations. PhD thesis, Royal Holloway, University of
London.
Shorttle, O., J. Maclennan and A. M. Piotrowski 2013.
Geochemical provincialism in the Iceland Plume.
Geochimica et Cosmochimica Acta 122, 363–397.
Sigbjarnarson, G. 1988. Krepputunga og Brúardalir –
Lýsingar á kortaeiningum jarðfræðikorts. OS-88038
VOD-06. Reykjavík, Orkustofnun, 44 pp.
Sigmarsson, O., and S. A. Halldórsson 2015. Delimiting
Bárðarbunga and Askja Volcanic Systems with Sr- and
Nd-isotopic ratios. Jökull 65, 17–27.
Sigmarsson, O., M. Condomines and S. Fourcade 1992. A
Detailed Th, Sr, and O isotope study of Hekla: Dif-
ferentiation process in an Icelandic volcano. Contrib.
Mineral. Petrol. 112, 20–34.
Sigurgeirsson, M., Á. Hjartarson, I. Kaldal, K. Sæ-
mundsson, S. G. Kristinsson and S. Víkingsson
2015. Jarðfræðikort af Norðurgosbelti. Syðri hluti –
Ódáðahraun. Reykjavík, Iceland Geosurvey 1.
Sigvaldason, G. E., K. Annertz and M. Nilsson 1992.
Effect of glacier loading-deloading on volcanism –
postglacial volcanic production-rate of the Dyngjufjöll
area, Central Iceland. Bull. Volcanol. 54(5), 385–392.
Sims, K. W. W., J. Maclennan, J. Blichert-Toft, E. M.
Mervine, J. Blusztajn and K. Grönvold 2013. Short
length scale mantle heterogeneity beneath Iceland
probed by glacial modulation of melting. Earth
Planet. Sci. Lett. 379, 146–157.
Sinton, J. M. and R. S. Detrick 1992. Mid-ocean ridge
magma chambers. J. Geophys. Res. 97, 197–216.
Sinton, J., K. Grönvold and K. Sæmundsson 2005. Post-
glacial eruptive history of the Western Volcanic Zone,
Iceland. Geochem. Geophys. Geosyst. 6(12), 1–34.
Stracke, A., A. Zindler, V. J. M. Salters, D. McKenzie, J.
Blichert-Toft, F. Albaréde and K. Grönvold 2003. The-
istareykir revisited. Geochem. Geophys. Geosyst. 4(2),
1–49.
Svavarsdóttir, S. I. 2017. Geochemistry and petrology of
Holocene lavas in the Bárðardalur region and their
association with the Bárðarbunga volcanic system.
MSc thesis, University of Iceland, 130 pp.
Thirlwall, M. F., M. A. M. Gee, R. N. Taylor and B. J. Mur-
ton 2004. Mantle components in Iceland and adjacent
ridges investigated using double-spike Pb isotopic ra-
tios. Geochimica et Cosmochimica Acta 68(2), 361–
386.
Thordarson, Th., and G. Larsen 2007. Volcanism in Ice-
land in historical time: Volcano types, eruption styles
and eruptive history. J. Geodynamics 43(1), 118–152.
Tómasson, H. 1967. Laxá í Suður Þingeyjarsýslu.
Jarðfræði. Reykjavík, Raforkumálastjóri, Orkudeild,
20 pp.
Vilmundardóttir, E. G. 1977. Tungnárhraun. OS ROD
7702. Reykjavik, Orkustofnun, 156 pp.
Vilmundardóttir, E. G. and I. Kaldal 1991. Skjálfandafljót
– Áshólsvatn. IK-EGV-91-01. Reykjavík, Orkustofn-
un, 17 pp.
Weis, D., B. Kieffer, C. Maerschalk, W. Pretorius and
J. Barling 2005. High-precision Pb-Sr-Nd-Hf iso-
topic characterization of USGS BHVO-1 and BHVO-
2 reference materials. Geochem. Geophys. Geosyst. 6,
Q02002, doi:10.1029/2004GC000852.
White, W. M., F. Albaréde and P. Télouk 2000. High-
precision analysis of Pb isotope ratios by Multi-
Collector ICP-MS. Chem. Geol. 167, 257–270.
White, W. M. 2015. Isotope Geochemistry. John Wiley &
Sons Ltd. 478 pp.
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