Crustal structure above the Iceland mantle plume imaged by the ICEMELT refraction profile

Geophysical Journal International

Volumn 135, Issue 3, 1998, Pages 1131-1149

  Darbyshire, Fiona A ^a   Bjarnason, Ingi Th ^b   White, Robert S ^a   Flóvenz, Ólafur G ^c  

^a UNIVERSITY OF CAMBRIDGE   (United Kingdom)

^b UNIVERSITY OF ICELAND   (Iceland)

^c National Energy Authority Reykjavik   (Iceland)

Author keywords

Crustal structure; Iceland; Mantle plume; Seismic refraction

Indexed keywords

CRUSTAL STRUCTURE; MANTLE PLUME; SEISMIC REFRACTION;

ICELAND;

EID: 0032458221     PISSN: 0956540X     EISSN: None     Source Type: Journal    
DOI: 10.1046/j.1365-246X.1998.00701.x     Document Type: Article

References (23)

1. Angenheister et al., 1980. Reykjanes Ridge Iceland Seismic Experiment (RRISP 77), J. Geophys., 47, 228-238.
2. Båth, M., 1960. Crustal structure of Iceland, J. geophys. Res., 65, 1793-1807.
3. Beblo, M. & Björnsson, A., 1978. Magnetotelluric investigation of the lower crust and upper mantle beneath Iceland, J. Geophys., 45, 1-16.
4. Beblo, M. & Björnsson, A., 1980. A model of electrical resistivity beneath NE-Iceland, correlation with temperature, J. Geophys., 47, 184-190.
5. Beblo, M., Björnsson, A., Arnason, K., Stein, B. & Wolfgram, P., 1983. Electrical conductivity beneath Iceland - constraints imposed by magnetotelluric results on temperature, partial melt, crust and mantle structure, J. Geophys., 53, 16-23.
6. Bjarnason, I.Th., Menke, W., Flóvenz, Ó.G. & Caress, D., 1993. Tomographic image of the Mid-Atlantic plate boundary in south-western Iceland, J. geophys. Res., 98, 6607-6622.
7. Bjarnason, I.Th., Menke, W. & Flórenz, Ó.G., 1994. Reply, J. geophys. Res., 99, 17 915-17 917.
8. Brandsdóttir, B., Menke, W., Einarsson, P., White, R.S. & Staples, R.K., 1997. Faroe-Iceland Ridge Experiment 2. Crustal structure of the Krafla central volcano, J. geophys. Res., 102, 7867-7886.
9. Bunch, A.W.H. & Kennett, B.L.N., 1980. The crustal structure of the Reykjanes Ridge at 59°30′N, Geophys. J. R. astr. Soc., 61, 141-166.
10. Courtney, R.C. & White, R.S., 1986. Anomalous heat-flow and geoid across the Cape Verde Rise - evidence for dynamic support from a thermal plume in the mantle, Geophys. J. R. astr. Soc., 87, 815-867.
11. DeMets, C., Gordon, R.G., Argus, D.F. & Stein, S., 1994. Effect of recent revisions to the geomagnetic time scale on estimates of current plate motions, Geophys. Res. Lett., 21, 2191-2194.
12. Eysteinsson, H. & Hermance, J.F., 1985. Magnetotelluric measurements across the eastern neovolcanic zone in Iceland, J. geophys. Res., 90, 10 093-10 103.
13. Flóvenz, Ó.G., 1980. Seismic structure of the Icelandic crust above layer three and the relation between body wave velocity and the alteration of the basaltic crust, J. Geophys., 47, 211-220.
14. Flóvenz, Ó.G. & Gunnarsson, K., 1991. Seismic crustal structure in Iceland and surrounding area, Tectonophysics, 189, 1-17.
15. Flóvenz, Ó.G. & Saemundsson, K., 1993. Heat flow and geothermal processes in Iceland, Tectonophysics, 225, 123-138.
16. Gebrande, H., Miller, H. & Einarsson, P., 1980. Seismic structure of Iceland along RRISP-Profile 1, J. Geophys., 47, 239-249.
17. Gudmundsson, Ó., Brandsdóttir, B., Menke, W. & Sigvaldason, G.E., 1994. The crustal magma chamber of the Katla volcano in south Iceland revealed by 2-D seismic undershooting, Geophys. J. Int., 119, 277-296.
18. Hardarson, B.S., Fitton, J.G., Ellam, R.M. & Pringle, M.S., 1997. Rift relocation - a geochemical and geochronological investigation of a palaeo-rift in NW Iceland, Earth planet. Sci. Lett., 153, 181-195.
19. Helgason, J., 1984. Frequent shifts of the volcanic zone in Iceland, Geology, 12, 212-216.
20. Helgason, J., 1985. Shifts of the plate boundary in Iceland: some aspects of Tertiary volcanism, J. geophys. Res., 90, 10 084-10 092.
21. Hersir, G.P., Björnsson, A. & Pedersen, L., 1984. Magnetotelluric survey across the active spreading zone in southwest Iceland, J. Volc. Geotherm. Res., 20, 253-265.
22. Ito, G., Lin, J. & Gable, C.W., 1996. Dynamics of mantle flow and melting at a ridge-centred hotspot: Iceland and the Mid-Atlantic Ridge, Earth planet. Sci. Lett., 144, 53-74.
23. Jóhannesson, H., 1980. Evolution of rift zones in western Iceland, Náttúrufradingurinn, 50, 13-31.