Jökull


Jökull - 01.01.2020, Side 58

Jökull - 01.01.2020, Side 58
The 1845–46 and 1766–68 eruptions at Hekla volcano Shaw, H. R. 1972. Viscosities of magmatic silicate liquids; an empirical method of prediction. Am. J. Sci. 272, 870–893, https://doi.org/10.2475/ajs.272.9.870. Sigmarsson, O., M. Condomines and S. Fourcade 1992. A detailed Th, Sr and O isotope study of Hekla: differentiation processes in an Icelandic Volcano. Contrib. Mineral. Petrol.112, 20–34, https://doi.org/- 10.1007/BF00310953. Soosalu, H., P. Einarsson and S. Jakobsdóttir 2003. Vol- canic tremor related to the 1991 eruption of the Hekla volcano, Iceland. Bull. Volcanol. 65, 562–577, https://doi.org/10.1007/s00445-003-0285-y. Soule, S. A., K. V. Cashman and J. P. Kauahikaua 2004. Examining flow emplacement through the surface morphology of three rapidly emplaced, solidified lava flows, Kilauea Volcano, Hawaii. Bull. Volcanol. 66, 1– 14, https://doi.org/10.1007/s00445-003-0291-0. Stevens, N. F., G. Wadge and J. B. Murray 1999. Lava flow volume and morphology from digitised contour maps: a case study at Mount Etna, Sicily. Geomor- phology 28, 251–261, https://doi.org/10.1016/S0169- 555X(98)00115-9. Sturkell, E., K. Ágústsson, A. T. Linde, S. I. Sacks, P. Einarsson, F. Sigmundsson, H. Geirsson, R. Peder- sen, P. C. LaFemina and H. Ólafsson 2013. New in- sights into volcanic activity from strain and other de- formation data for the Hekla 2000 eruption. J. Volc. Geoth. Res. 256, 78–86, https://doi.org/10.1016/- j.jvolgeores.2013.02.001. Sverrisdottir, G. 2007. Hybrid magma generation preced- ing Plinian silicic eruptions at Hekla, Iceland: evi- dence from mineralogy and chemistry of two zoned deposits. Geol. Mag. 144, 643–659, https://doi.org/- 10.1017/S0016756807003470. Takagi, D. and H. E. Huppert 2010. Initial advance of long lava flows in open channels. J. Volc. Geoth. Res. 195, 121–126. https://doi.org/10.1016/- j.jvolgeores.2010.06.011 Thorarinsson, S. and G. E. Sigvaldason 1972. The Hekla Eruption of 1970. Bull. Volcanol. 36, 269–288, https://doi.org/10.1007/bf02596870. Thórarinsson, S. 1976. The eruption of Hekla 1947–1948 IV: Course of events. Soc. Sci. Islandica, Reykjavík, 1–44. Thórarinsson, S. 1967. The eruption of Hekla 1947– 48 I: The eruptions of Hekla in historical times. A tephrochronological study. Soc. Sci. Islandica, Reykjavík, 1–171. Thordarson, T. and G. Larsen 2007. Volcanism in Ice- land in historical time: Volcano types, eruption styles and eruptive history. J. Geodynamics 43, 118–152, https://doi.org/10.1016/j.jog.2006.09.005. Thordarson, T. and S. Self 1998. The Roza Member, Columbia River Basalt Group: A gigantic pahoe- hoe lava flow field formed by endogenous processes? J. Geophys. Res. Solid Earth 103, 27411–27445, https://doi.org/10.1029/98JB01355. Thordarson, Th. 2000. Physical volcanology of lava flows on Surtsey, Iceland: A preliminary report. Surtsey Re- search, 11, 109–126. Thordarson, Th. and Á. Höskuldsson 2008. Postglacial volcanism in Iceland. Jökull 58, 197–228. Thy, P., C. E. Lesher, T. F. D. Nielsen and C. K. Brooks 2006. Experimental constraints on the Skaer- gaard liquid line of descent. Lithos 92, 154–180, https://doi.org/10.1016/j.lithos.2006.03.031. Tuller-Ross, B., P. S. Savage, H. Chen and K. Wang 2019. Potassium isotope fractionation during mag- matic differentiation of basalt to rhyolite. Chemical Geology (Elsevier BV) 525, 37–45, https://doi.org/- 10.1016/j.chemgeo.2019.07.017. Vogel, D. H. 1921. Temperaturabhängigkeitsgesetz der Viskosität von Flüssigkeiten. Phys. Z. 645–646. Wadge, G. 1978. Effusion rate and the shape of aa lava flow-fields on Mount Etna. Geology 6, 503–506, https://doi.org/10.1130/0091-7613(1978)- 6<503:eratso>2.0.co;2. Wadge, G., G. P. L. Walker and J. E. Guest 1975. The output of the Etna volcano. Nature 255, 385–387, https://doi.org/10.1038/255385a0. Walker, G. P. L. 1973. Lengths of Lava Flows. Phil. Trans. Royal Soc. A: Mathematical, Physical and Engineering Sciences 274, 107–118, https://doi.org/- 10.1098/rsta.1973.0030. Walker, G.P.L. 1991. Structure and origin by injec- tion of lava under surface crust, of tumuli, "lava rises", "lava-rise pits", and "lava-inflation clefts" in Hawaii. Bull. Volcanol. 53, 546–558, https://doi.org/- 10.1007/BF00298155. JÖKULL No. 70, 2020 55
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