The link between volcanism and deglaciation in iceland

Geochemistry, Geophysics, Geosystems

Volumn 3, Issue 11, 2002, Pages

  Maclennan, J ^a,b   Jull, M ^a,c   McKenzie, D ^a   Slater, L ^a,d   Gronvold K ^e  

^a UNIVERSITY OF CAMBRIDGE   (United Kingdom)

^b INSTITUT DE PHYSIQUE DU GLOBE DE PARIS   (France)

^c WOODS HOLE OCEANOGRAPHIC INSTITUTION   (United States)

^d Amerada Hess Limited   (United Kingdom)

^e UNIVERSITY OF ICELAND   (Iceland)

Author keywords

Glaciation; Iceland; Igneous rocks; Magma chambers; Magma migration; Mantle melting

Indexed keywords

EXPLORATORY GEOCHEMISTRY; GARNETS; GLACIAL GEOLOGY; IGNEOUS ROCKS; MAGNESIA; RARE EARTHS; UNLOADING; VOLCANOES;

GLACIATION; ICELANDS; MAGMA CHAMBER; MAGMA MIGRATION; MANTLE MELTING;

TRACE ELEMENTS;

EID: 85023742840     PISSN: None     EISSN: 15252027     Source Type: Journal    
DOI: 10.1029/2001GC000282     Document Type: Article

References (61)

1. Andrews, J. T., J. Hardardóttir, G. Helgadóttir, A. E. Jennings, A. Geirsdoóttir, A. E. Sneinbjörnsdóttir, S. Schoolfield, G. B. Kristjánasdóttir, L. M. Smith, K. Thors, and J. P. M. Syvitski, The N and W Iceland Shelf: Insights into Last Glacial Maximum ice extent and deglaciation based on acoustic stratigraphy and basal radiocarbon AMS dates, Quat. Sci. Rev., 19, 619–631, 2000.
2. Bernstein, S., High-pressure fractionation in rift-related basaltic magmatism: Faeroe plateau basalts, Geology, 22, 815– 818, 1994.
3. Björck, S., Ó. Ingólfsson, H. Haflidason, M. Hallsdóttir, and N. J. Anderson, Lake Torfadalsvatn: A high resolution record of the North Atlantic ash zone 1 and the last glacial-interglacial environmental changes in Iceland, Boreas, 21, 15–22, 1992.
4. Eiler, J. M., K. Grönvold, and N. Kitchen, Oxygen isotope evidence for the origin of chemical variation in the lavas of Theistareykir volcano in Iceland’s Northern Volcanic Zone, Earth Planet. Sci. Lett., 184, 269–286, 2000.
5. Einarsson, P., Umbrotin vid Kröflu, in Náttúra Mývatns, edited by A. Gardarsson and A. Einarsson, pp. 97–139, Hid islenska náttúrufrædifélg, Reykjavik, 1991.
6. Einarsson, P., and K. Sæmundsson, Map accompanying the festschrift HLUTARINS EDLI, Menningarsjódur, Reykjavik, 1987.
7. Elliott, T. R., C. J. Hawkesworth, and K. Grönvold, Dynamic melting of the Iceland plume, Nature, 351, 201– 206, 1991.
8. Fitton, J. G., A.D. Saunders, L. M. Larsen, B. S. Hardarson, and M. J. Norry, Volcanic rocks from the southeast Greenland margin at 63°N: Composition, petrogenesis and mantle sources, Proc. Ocean Drill. Program Sci. Results, 152, 331– 350, 1998.
9. Gee, M. A. M., R. N. Taylor, M. F. Thirlwall, and B. J. Mur-ton, Glacioisostacy controls chemical and isotopic characteristics of tholeiites from the Reykjanes Peninsula, SW Iceland, Earth Planet. Sci. Lett., 164, 1–5, 1998a.
10. Gee, M. A. M., M. F. Thirlwall, R. N. Taylor, D. Lowry, and B. J. Murton, Crustal processes: Major controls on Reykjanes Peninsula lava chemistry, SW Iceland, J. Petrol., 39, 819–839, 1998b.
11. Geirsdóttir, A., J. Hardardóttir, and A. E. Sveinbjörnsdóttir, Glacial extent and catastrophic meltwater events during the deglaciation of Southern Iceland, Quat. Sci. Rev., 19, 1749– 1761, 2000.
12. Govindaraju, K., 1994 compilation of working values and sample description for 383 geostandards, Geostand. Newsl., 18, 1–158, 1994.
13. Grönvold, K., N. Óskarsson, S. J. Johnsen, H. B. Clausen, C. U. Hammer, G. Bond, and E. Bard, Ash layers from Iceland in the Greenland GRIP ice core correlated with oceanic and land sediments, Earth Planet. Sci. Lett., 135, 149–155, 1995.
14. Gudmundsson, A., Mechanical aspects of postglacial volcanism and tectonics of the Reykjanes Peninsula, Southwest Iceland, J. Geophys. Res., 91, 12,711–12,721, 1986.
15. Hardarson, B. S., and J. G. Fitton, Increased mantle melting beneath Snaefellsjökull volcano during late Pleistocene deglaciation, Nature, 353, 62–64, 1991.
16. Hauri, E. H., T. P. Wagner, and T. L. Grove, Experimental and natural partitioning of Th, U, Pb and other trace-elements between garnet, clinopyroxene and basaltic melts, Chem. Geol., 117, 149–166, 1994.
17. Hirschmann, M. M., and E. M. Stolper, A possible role for garnet pyroxenite in the origin of the garnet signature in MORB, Contrib. Mineral. Petrol., 124, 185–208, 1996.
18. Hirschmann, M. M., M. S. Ghiorso, and E. M. Stolper, Calculation of peridotite partial melting from thermodynamic models of minerals and melts, II, Isobaric variations in melts near the solidus and owing to variable source composition, J. Petrol., 40, 297–313, 1999.
19. Ingólfsson, Ó., and H. Norddahl, A review of the environmental history of Iceland, 13,000–9,000 yr BP, J. Quat. Sci., 9, 147–150, 1994.
20. Ingólfsson, Ó., H. Norddahl, and H. Haflidason, Rapid isostatic rebound in southwestern Iceland at the end of the last glaciation, Boreas, 24, 245–259, 1995.
21. Ingólfsson, Ó., S. Björck, H. Haflidason, and M. Rundgren, Glacial and climatic events in Iceland reflecting regional north Atlantic climatic shifts during the Pleistocene-Holo-cene transition, Quat. Sci. Rev., 16, 1135–1144, 1997.
22. Ito, G., Y. Shen, G. Hirth, and C. J. Wolfe, Mantle flow, melting and dehydration of the Iceland mantle plume, Earth Planet. Sci. Lett., 165, 81–96, 1999.
23. Jakobsson, S. P., J. Jónsson, and F. Shido, Petrology of the western Reykjanes Peninsula, Iceland, J. Petrol., 19, 669– 705, 1978.
24. Jennings, A. E., J. Syvitski, L. Gerson, K. Grönvold, A. Geirsdóttir, J. Hardardóttir, J. Andrews, and S. Hagen, Chronology and paleoenvironments during the late Weichselian deglaciation of the southwest Iceland shelf, Boreas, 29, 167–183, 2000.
25. Jochum, K. P., H. M. Seufert, and M. F. Thirlwall, High sensitivity Nb analysis by spark-source mass spectrometry (SSMS) and calibration of XRF Nb and Zr, Chem. Geol., 81, 1–16, 1990.
26. Johnson, K. T. M., Experimental determination of partition coefficients for rare earth and high-field-strength elements between clinopyroxene, garnet, and basaltic melt at high pressures, Contrib. Mineral. Petrol., 133, 60–68, 1998.
27. Jónasson, K., Rhyolite volcanism in the Krafla central volcano, north-east Iceland, Bull. Volcanol., 56, 516–528, 1994.
28. Jull, M., and D. McKenzie, The effect of deglaciation on mantle melting beneath Iceland, J. Geophys. Res., 101, 21,815– 21,828, 1996.
29. Kelemen, P. B., G. Hirth, N. Shimizu, M. Spiegelman, and H. J. B. Dick, A review of melt migration processes in the adiabatically upwelling mantle beneath oceanic spreading ridges, Philos. Trans. R. Soc. London Ser. A, 355, 283– 318, 1997.
30. Langmuir, C. H., Geochemical consequences of in situ crystallisation, Nature, 340, 199–205, 1989.
31. Langmuir, C. H., E. M. Klein, and T. Plank, Petrological systematics of mid-ocean ridge basalts: Constraints on melt generation beneath ocean ridges, in Mantle Flow and Melt Generation at Mid-ocean Ridges. Geophys. Monogr. Ser., vol. 71, edited by J. Phipps Morgan et al., pp. 183–280, AGU, Washington, D.C., 1992.
32. McKenzie, D., and R. K. O’Nions, Partial melt distributions from inversion of rare earth element concentrations, J. Petrol., 32, 1021–1091, 1991.
33. Maclennan, J., Melt generation and movement under Northern Iceland, Ph.D. Thesis, Univ. of Cambridge, Cambridge, U.K., 2000.
34. Maclennan, J., D. McKenzie, K. Grönvold, and L. Slater, Crustal accretion under northern Iceland, Earth Planet. Sci. Lett., 191, 295–310, 2001a.
35. Maclennan, J., D. McKenzie, and K. Grönvold, Plume-driven upwelling under central Iceland, Earth Planet. Sci. Lett., 194, 67–82, 2001b.
36. Mayewski, P., and M. Bender, The GISP2 ice core record – Palaeo climate highlights, U.S. Natl. Rep. Int. Union Geod. Geophys. 1991–1994, Rev. Geophys., 33, 1287–1296, 1995.
37. Nicholson, H., The magmatic evolution of Krafla, NE Iceland, Ph.D. Thesis, Univ. of Edinburgh, Edinburgh, U.K., 1990.
38. Nicholson, H., M. Condomines, J. G. Fitton, A. E. Fallick, K. Grönvold, and G. Rogers, Geochemical and Isotopic Evidence for Crustal Assimilation Beneath Krafla, Iceland, J. Petrol., 32, 1005–1020, 1991.
39. Nicholson, H., and D. Latin, Olivine tholeiites from Krafla, Iceland: Evidence for variations in melt fraction within a plume, J. Petrol., 33, 1105–1124, 1992.
40. O’Hara, M. J., and R. E. Mathews, Geochemical evolution in an advancing, periodically replenished, periodically tapped, continuously fractionated magma chamber, J. Geol. Soc. London, 138, 237–277, 1981.
41. Richardson, C., and D. McKenzie, Radioactive disequilibria from 2D models of melt generation by plumes and ridges, Earth Planet. Sci. Lett., 128, 425–437, 1994.
42. Richardson, C. N., J. R. Lister, and D. McKenzie, Melt con-duits in a viscous porous matrix, J. Geophys. Res., 101, 20,423–20,432, 1996.
43. Rossi, M. J., Morphology and mechanism of eruption of postglacial shield volcanoes in Iceland, Bull. Volcanol., 57, 530– 540, 1996.
44. Rundgren, M., Biostratigraphic evidence of the Allerod-Younger Dryas-Preboreal oscillation in Northern Iceland, Quat. Res., 44, 405–416, 1995.
45. Rundgren, M., Ó. Ingólfsson, S. Björck, H. Jiang, and H. Haflidason, Dynamic sea level change during the last deglaciation of northern Iceland, Boreas, 26, 201–215, 1997.
46. Sæmundsson, K., Outline of the geology of Iceland, Jökull, 29, 7–28, 1980.
47. Sæmundsson, K., Jardfrædi Kröflukerfisins, in Náttúra Mývatns, edited by A. Gardarsson and A. Einarsson, pp. 24– 95, Hid islenska náttúrufrædifélg, Reykjavik, 1991.
48. Sæmundsson, K., Geology of the Thingvallavatn area, Oikos, 64, 40–68, 1992.
49. Sæmundsson, K., Svartsengi, geological map (bedrock), 1:25,000, Orkustofnun, Hitaveita Sudurnesja and Landmæ-lingar Islands, Reykjavik, Iceland, 1995.
50. Sigmundsson, F., and P. Einarsson, Glacio-isostatic crustal movements caused by historical volume change of the Vatn-jökull ice cap, Iceland, Geophys. Res. Lett., 19, 2123–2126, 1992.
51. Sigvaldason, G. E., K. Annertz, and M. Nilsson, Effect of glacier loading/deloading on volcanism: Postglacial volcanic production rate of the Dyngjufjöll area, central Iceland, Bull. Volcanol., 54, 385–392, 1992.
52. Slater, L., Melt generation beneath Iceland, Ph.D. Thesis, Univ. of Cambridge, Cambridge, U.K., 1996.
53. Slater, L., M. Jull, D. McKenzie, and K. Grönvold, Deglaciation effects on mantle melting under Iceland: Results from the northern volcanic zone, Earth Planet. Sci. Lett., 164, 151–164, 1998.
54. Slater, L., D. McKenzie, K. Grönvold, and N. Shimizu, Melt generation and movement under Theistareykir, NE Iceland, J. Petrol., 42, 321–354, 2001.
55. Springer, W., and H. A. Seck, Partial fusion of basic granulites at 5 to 15 kbar: implications for the origin of TTG magmas, Contrib. Mineral. Petrol., 127, 30–45, 1997.
56. Staples, R. K., R. S. White, B. Brandsdóttir, W. Menke, P. K. H. Maguire, and J. H. McBride, Färoe-Iceland Ridge Experiment, 1, Crustal structure of northeastern Iceland, J. Geophys. Res., 102, 7849–7866, 1997.
57. 14C calibration program, Radiocarbon, 35, 215– 230, 1993.
58. Vilmundardóttir, E., and G. Larsen, Productivity pattern of the Veidivötn fissure swarm, Southern Iceland, in postglacial times. Preliminary results: paper presented at 17e Nordiska Geologmötet, Helsingsfors Univ., Helsinki, Finland, 1986.
59. Watson, S., and D. McKenzie, Melt generation by plumes: A study of Hawaiian volcanism, J. Petrol., 32, 501–537, 1991.
60. White, R. S., D. McKenzie, and R. K. O’Nions, Oceanic crustal thickness from seismic measurements and rare earth element inversions, J. Geophys. Res., 97, 19,683–19,715, 1992.
61. Wood, B. J., and J. D. Blundy, A predictive model for rare earth element partitioning between clinopyroxene and anhy-drous silicate melt, Contrib. Mineral. Petrol., 129, 166–181, 1997.