Crust-mantle transition and Moho model for Iceland and surroundings from seismic, topography, and gravity data

Tectonophysics

Volumn 396, Issue 3-4, 2005, Pages 119-140

  Fedorova, Tanya ^a   Jacoby, Wolfgang R ^a   Wallner, Herbert ^a  

^a JOHANNES GUTENBERG UNIVERSITY   (Germany)

Author keywords

Crust; Evolution; Gravity; Iceland; North Atlantic; Seismic data; Topography

Indexed keywords

BOUGUER ANOMALY; CRUST-MANTLE BOUNDARY; CRUSTAL EVOLUTION; GRAVITY SURVEY; MOHO; SEISMIC SURVEY;

ARCTIC; ARCTIC AND ANTARCTIC; ICELAND; WORLD;

EID: 13744254968     PISSN: 00401951     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.tecto.2004.11.004     Document Type: Article

References (98)

1. R.M. Allen G. Nolet W.J. Morgan K. Vogförd M. Nettles G. Ekström B.H. Bergsson P. Erlendsson G.R. Foulger S. Jakobsdóttir B.R. Julian M. Pritchard S. Ragnarsson R. Stefánsson Plume-driven plumbing and crustal formation in Iceland J. Geophys. Res. 107 B8 2002 doi:10.1029/2001JB000584
2. O.E. Avery P.R. Vogt R.H. Higgs Morphology, magnetic anomalies and evolution of the northeast Atlantic and Labrador Sea: Pt. II. Magnetic anomalies Am. Geophys. Union, Trans. 50 1969 184
3. A.J. Barton R.S. White Crustal structure of Edoras Bank mcontinental margin and thermal anomalies beneath the North Atlantic J. Geophys. Res. 102 1997 3109-3129
4. F. Birch The velocity of compressional waves in rocks to 10 kilobars: Part 1 J. Geophys. Res. 65 1960 1083-1102
5. F. Birch The velocity of compressional waves in rocks to 10 kilobars: Part 2 J. Geophys. Res. 66 1961 2199-2224
6. H. Bijwaard W. Spakmann Tomographic evidence for a narrow whole mantle plume below Iceland Earth Planet. Sci. Lett. 166 1999 121-126
7. I.T. Bjarnason W. Menke O.G. Flóvenz D. Caress Tomographic image of the mid Atlantic plate boundary in south-western Iceland J. Geophys. Res. 98 1993 6607-6622
8. I.T. Bjarnason C.J. Wolfe S.C. Solomon Initial results from the ICEMELT experiment: Body-wave delay times and shear-wave splitting across Iceland Geophys. Res. Lett. 23 1996 459-462
9. M.H.P. Bott Plate tectonic evolution of the Icelandic transverse Ridge and adjacent regions J. Geophys. Res. 90 1985 9953-9960
10. M.H.P. Bott K. Gunnarsson Crustal structure of the Iceland-Faeroe Ridge J. Geophys. 47 1980 221-227
11. M.H.P. Bott P.H. Nielsen J. Sunderland Converted P-waves originating at the continental margin between the Iceland-Faeroe Ridge and the Faeroe block Geophys. J. R. Astron. Soc. 44 1976 229-238
12. B. Brandsdóttir M. Menke P. Einarsson R.S. White R.K. Staples Faeroe-Iceland Ridge experiment 2. Crustal structure of the Krafla central volcano J. Geophys. Res. 102 1997 7867-7886
13. A.J. Breivik J. Verhoef J.I. Faleide Effect of thermal contrasts on gravity modeling at passive margins: Results from the western Barents Sea J. Geophys. Res. 104 1999 15293-15311
14. A.W.H. Bunch Crustal development of the Reykjanes Ridge from seismic refraction J. Geophys. 47 1980 261-264
15. M. Cannat How thick is the magmatic crust at slow spreading oceanic ridges? J. Geophys. Res. 101 1996 2847-2857
16. R. Carlson C. Herrick Density and porosities in the oceanic crust and their variations with depth and age J. Geophys. Res. 95 1990 9153-9170
17. T. Dahl-Jensen H. Thybo J.R. Hopper M. Rosing Crustal structure of the SE Greenland margin from coincident wide-angle and normal incidence seismic data Tectonophysics 287 1998 191-198
18. F.A. Darbyshire I.Th. Bjarnason R.S. White Ó.G. Flóvenz Crustal structure above the Iceland mantle plume imaged by the ICEMELT refraction profile Geophys. J. Int. 135 1998 1131-1149
19. F.A. Darbyshire R.S. White K.F. Priestley Structure of the crust and uppermost mantle of Iceland from a combined seismic and gravity study Earth Planet. Sci. Lett. 181 2000 409-428
20. M.-P. Doin L. Fleitout Flattening of the oceanic topography and geoid: thermal versus dynamic origin Geophys. J. Int. 143 2000 582-594
21. Z. Du G.R. Foulger The crustal structure beneath the Northwest Fjords, Iceland, from receiver functions and surface waves Geophys. J. Int. 139 1999 419-432
22. Z. Du G.R. Foulger Variation in the crustal structure across central Iceland Geophys. J. Int. 145 2001 246-264
23. Z. Du G.R. Foulger B.R. Julian R.M Allen G. Nolet W.J. Morgan B. Bergsson P. Erlendsson S. Jakobsdóttir S. Ragnarsson R. Stefansson K. Vogfjord Crustal structure beneath western and eastern Iceland from surface waves and receiver functions Geophys. J. Int. 149 2002 349-363
24. J. Egloff G.L. Johnson Erosional and depositional structures of the southwest Iceland Insular margin: Thirteen geophysical profiles Geological and Geophysical Investigations of Continental Margins AAPG Memoir vol. 29 1979 43-63
25. P. Einarsson J. Eiriksson Earthquake fractures in the districts land and Rangárvellir in the South Iceland Seismic Zone Jökull 32 1982 113-120
26. P. Einarsson F.W. Klein S. Björnsson The Borgarfjördur earthquakes in West Iceland 1974 Bull. Seismol. Soc. Am. 67 1977 187-208
27. H. Eysteinsson K. Gunnarsson Maps of Gravity, Bathymetry and Magnetics for Iceland And Surroundings 1995 Orkustofnun (OS-95055/JND-07)
28. N. Fechner W. Jokat Seismic refraction investigations on the crustal structure of the western Jameson Land Basin, East Greenland J. Geophys. Res. 101 1996 15867-15881
29. T. Fedorova Rastchet gravitacionnogo polja nad modeliu sredinno-okeanitcheskogo hrebta (Gravity anomalies calculated for model of spreading ridge) Marine Geol. Geophys., Express Info. 1 1980 7-12
30. T. Fedorova Izutchenie tektonitcheskoi neodnorodnosti sredinno-Atlantitcheskogo krebta (Investigation of tectonic inhomogeneity of the Mid Atlantic Ridge) Vestn. MGU, Geol. 4 1990 69-73
31. M.A. Feighner L.H. Kellogg B.J. Travis Numerical modelling of chemically buoyant mantle plumes at spreading ridges Geophys. Res. Lett. 22 1995 715-718
32. O.G. Flóvenz 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 1980 211-220
33. O.G. Flóvenz K. Gunnarsson Seismic crustal structure in Iceland and surrounding area Tectonophysics 189 1991 1-17
34. G.R. Foulger Plumes, or plate tectonic processes? Astron. Geophys. 43 2002 6.19-6.23
35. Foulger, G.R., Pritchard, M.J., Julian, B.R. 2000. Seismic images of the Iceland plume. Plume-Lithosphere Interactions. Abstract Vol., Strasbourg, 9-11 April 2000
36. G.R. Foulger M.J. Pritchard B.R. Julian J.R. Evans R.M. Allen G. Nolet W.J. Morgan B.H. Bergsson P. Erlendsson S. Jakobsdottir S. Ragnarsson R. Stefansson K. Vogfjord The seismic anomaly beneath Iceland extends down to the mantle transition zone and no deeper Geophys. J. Int. 142 2000 1-9
37. S.R. Fowler R.S. White G.D. Spense G.K. Westbrook The Hatton Bank continental margin: II. Deep structure from two-ship expanding spread seismic profiles Geophys. J. Int. 96 1989 295-309
38. H. Gebrande H. Miller P. Einarsson Seismic structure of Iceland along RRISP - profile 1 J. Geophys. 47 1980 239-249
39. N. Girardin W. Jacoby Rayleigh wave dispersion along Reykjanes Ridge Tectonophysics 55 1979 155-171
40. P. Goldflam W. Weigel B.D. Loncarevic Seismic structure alogn RRISP - profile I J. Geophys. 47 1980 239-249
41. Ó. Gudmundsson The dense root of the Iceland crust Earth Planet. Sci. Lett. 206 2003 427-440
42. R.L. Heestand S.T. Crough The effect of hot spots on the oceanic age-depth relation J. Geophys. Res. 96 1981 6107-6114
43. W.S. Holbrook H.C. Larsen J. Korenaga T. Dahl-Jensen I.D. Reid P.B. Kelemen J.R. Hopper G.M. Kent D. Lizarralde S. Bernstein R.S. Detrick Mantle thermal structure and active upwelling during continental breakup in the North Atlantic Earth Planet. Sci. Lett. 190 2001 251-266
44. E. Hooft B. Brandsdóttir A. Barclay O. Aanensen R. Mjelde H. Shimamura Y. Murai T. Watanabe T. Yamashina T. Takanami KRISE fieldwork team (C000): KRISE-2000: constraining the dynamics of plume-ridge interaction to the north of Iceland InterRidge News 9 2000 37-40
45. G. Ito J. Lin Oceanic spreading center - hot spots interactions: constraints from along-isochron bathymetric and gravity anomalies Geology 23 1995 657-660
46. W.R. Jacoby Iceland and the North Atlantic: A review GeoJournal 3 1979 253-262
47. W.R. Jacoby N. Girardin The evolution of the lithosphere at the southeast flank of Reykjanes Ridge from surface wave data J. Geophys. 47 1980 271-277
48. W.R. Jacoby S. Bürger P. Smilde Temporal gravity variations observed in SE Iceland InterRidge News 10 2001 52-55
49. G.L. Johnson B. Tanner Geophysical observations on the Iceland-Faeroe Ridge Jökull 21 1971 45-52
50. G. Jonsson L. Kristjansson Magnetic surveys south and southeast of Iceland J. Geodyn. 26 1998 45-56
51. W.-Y. Jung P.R. Vogt A gravity and magnetic anomaly study of the extinct Aegir Ridge, Norwegian Sea J. Geophys. Res. 102 1997 5065-5089
52. M. Kaban O. Flovenz G. Pálmason Nature of the crust-mantle transition zone and the thermal state of the upper mantle under Iceland from gravity modelling Geophys. J. Int. 149 2002 281-299
53. J. Korenaga W.S. Holbrook G.M. Kent P.B. Kelemen R.S. Detrick H.-C. Larsen J.R. Hopper T. Dahl-Jensen Crustal structure of the southeast Greenland margin from joint refraction and reflection seismic tomography J. Geophys. Res. 105 2000 21591-21614
54. S. Kodaira K. Mjelde H. Gunnarsson H. Shiobara H. Shimamura Crustal structure of the Kolbeinsey Ridge, North Atlantic, obtained by use of ocean bottom seismographs J. Geophys. Res. 102 1997 3131-3151
55. S. Kodaira K. Mjelde H. Gunnarsson H. Shiobara H. Shimamura Structure of the Jan Mayen microcontinent and implications for its evolution Geophys. J. Int. 132 1998 383-400
56. L. Kristjansson J. Helgason Some properties of basalt lava sequences and volcanic centres in a plate-boundary environment. In: A.C. Morton L.M. Parson (Eds.). Early Tertiary Volcanism and the Opening of the NE Atlantic Geological Society of London Special Publication vol. 39 1988 The Geological Society London 147-155
57. R. Macnab J. Verhoef W. Roest J. Arkani-Hamed New database documents the magnetic character of the Arctic and North Atlantic EOS, Trans., Am. Geophys. Union 76 1995
58. H. Mandler W. Jokat The crustal structure of central east Greenland: results from combined land-sea seismic refraction experiments Geophys. J. Int. 135 1998 63-76
59. G. Marquart Interpretations of geoid anomalies around the Iceland hotspot Geophys. J. Int. 106 1991 149-160
60. G. Marquart W.R. Jacoby On the mechanism of magma injection and plate divergence during the Krafla rifting episode in NE Iceland J. Geophys. Res. 90 1985 10178-10192
61. D. McKenzie M.J. Bickle The volume and composition of melt generated by extension of the lithosphere J. Petrology 29 1988 625-679
62. W. Menke Crustal isostasy indicates anomalous densities beneath Iceland Geophys. Res. Lett. 26 1999 1215-1218
63. W. Menke V. Levin Cold crust in a hot spot Geophys. Res. Lett. 21 1994 1967-1970
64. W. Menke B. Brandsdóttir P. Einarsson I.Th. Bjarnason Reinterpretaion of the RRISP-77 Iceland shear-wave profiles Geophys. J. Int. 126 1996 166-172
65. W. Menke M. West B. Brandsdóttir D. Sparks Compressional shear velocity structure of the lithosphere in northern Iceland Bull. Seismol. Soc. Am. 88 1998 1561-1571
66. R.D. Müller W.R. Roest J.-Y. Royer L. Gahagan J.G. Sclater Digital isochrons of the world's ocean floor J. Geophys. Res. 102 1997 3211-3214
67. G.A. Neuman D.W. Forsyth The paradox of the axial profile; isostatic compensation along the axis of the Mid-Atlantic Ridge? J. Geophys. Res. 98 1993 17891-17910
68. G. Pálmason Crustal structure of Iceland from explosion seismology Rit 40, Reykjavík, Soc. Sci. Isl. 1971 187 pp.
69. B. Parsons J.G. Sclater An analysis of the variation of ocean floor bathymetry and heat flow with age J. Geophys. Res. 92 1977 12823-12836
70. J. Phipps Morgan D.W. Forsyth Three-dimensional flow and temperature perturbations due to a transform offset: Effects on oceanic crustal and upper mantle structure J. Geophys. Res. 93 1988 2955-2966
71. M. Ritzert W.R. Jacoby On the lithospheric seismic structure of Reykjanes Ridge at 62.5°N J. Geophys. Res. 90 1985 10117-10128
72. RRISP Working Group (G. Angenheister, H. Gebrande, H. Miller, P. Goldflam, W. Weigel, W.R. Jacoby, G. Pálmason, S. Björnsson, P. Einarsson, N.I. Pavlenkova, S.M. Zverev, I.V. Litvinenko, B. Loncarevic, S.C. Solomon) Reykjanes Ridge Iceland Seismic Experiment (RRISP77) J. Geophys. 47 1980 228-238
73. W.F. Ruddiman Sediment redistribution on the Reykjanes Ridge: Seismic evidence Geol. Soc. Amer. Bull. 83 1972 2039-2062
74. K. Sæmundsson Outline of the geology of Iceland Jökull 29 1979 7-28
75. J.G. Schilling Iceland mantle plume: Geochemical study of Reykjanes Ridge Nature 242 1973 565-571
76. J.-G. Schilling Upper mantle heterogeneities and dynamics Nature 314 1995 62-67
77. V. Schlindwein C. Jokat Structure and evolution of the continental crust of northern east Greenland from integrated geophysical studies J. Geophys. Res. 104 1999 15227-15245
78. J.-C. Sempere J. Lin H.S. Brown H. Schouten G.M. Purdy Segmentation and morphotectonic variations along a slow-spreading center: The Mid-Atlantic Ridge (24°00′N-30°40′N) Mar. Geophys. Res. 15 1993 153-299
79. W.J. Shaw J. Lin Models of ocean ridge lithospheric deformation: dependence on crustal thickness, spreading rate, and segmentation J. Geophys. Res. 101 1996 17977-17993
80. F. Sigmundsson Post-glacial rebound and asthenosphere viscosity in Iceland Geophys. Res. Lett. 18 1991 1131-1134
81. F. Sigmundsson P. Einarsson Glacio-isostatic crustal movements caused by historical volume change of the Vatnajökull ice cap, Iceland Geophys. Res. Lett. 19 1992 2123-2126
82. F. Sigmundsson P. Einarsson R. Bilham E. Sturkell Rift-transform kinematics in South Iceland: Deformation from global positioning system measurements, 1986-1992 J. Geophys. Res. 100 1995 6235-6248
83. J.R. Smallwood R.S. White Crustal accretion at the Reykjanes Ridge, 61°-62°N J. Geophys. Res. 103 1998 5185-5201
84. J.R. Smallwood R.K. Staples K.R. Richardson R.S. White Crust generated above the Iceland mantle plume: From continental rift to oceanic spreading center J. Geophys. Res. 104 1999 22885-22902
85. P.L. Smilde Verwendung und Bewertung von a priori Information bei potentiell singulären Inversionsproblemen am Beispiel der gravimetrischen Bestimmung von Dichteverteilungen Deutsche Geodät. Komm., C 490 1998 (München), 90 pp.
86. R.K. Staples R.S. White B. Brandsdottir W. Menke P.K.H. Maguire J.H. McBride Färoe-Iceland Ridge experiment: 1. Crustal structure of northeastern Iceland J. Geophys. Res. 102 1997 7849-7866
87. E. Sturkell B. Brandsdottir H. Shimamura M. Mochizuki Seismic crustal structure along the Axarfjördur trough at the eastern margin of the Tjörnes fracture zone, N-Iceland Jökull 42 1992 13-23
88. E. Tryggvason Crustal structure of the Iceland region from dispersion of surface waves Bull. Seismol. Soc. Am. 52 1962 359-388
89. E. Tryggvason Arrival times of P-waves and upper mantle structure Bull. Seismol. Soc. Am. 54 1964 727-736
90. K. Tryggvason E.S. Husebye R. Stefansson Seismic image of the hypothesized Icelandic hot spot Tectonophysics 100 1983 97-118
91. P.R. Vogt The Iceland phenomenon: Imprints of a hot spot on the ocean crust, and implications for flow below the plates. In: L. Kristjansson (Ed.). Geodynamics of Iceland and the North Atlantic Area 1974 105-126
92. P.R. Vogt C. Nishimura J. Jarvis Prospecting for active volcanism. A promising role for long-range aircraft along the mid-oceanic ridge EOS 71 1990 773-774
93. P.R. Vogt W.Y. Jung J. Brozena Arctic margin gravity highs: Deeper meaning for sediment depocenters? Mar. Geophys. Res. 20 1998 459-477
94. N.R.W. Weir R.S. White B. Brandsdottir P. Einarsson H. Shimamura H. Shiobara Crustal structure of the northern Reykjanes Ridge and Reykjanes Peninsula, southwest Iceland J. Geophys. Res. 106 2001 6347-6368
95. R.S. White Rift-plume interaction in the North Atlantic Philos. Trans.-R. Soc. Lond. 355 1997 319-339
96. R.S. White D. McKenzie Mantle plumes and flood basalts J. Geophys. Res. 100 1995 17543-17585
97. C.J. Wolfe I.Th. Bjarnason J.C. VanDecar S.C. Solomon Seismic structure of the Iceland mantle plume Nature 385 1997 245-247
98. S.M. Zverev I.P. Kosminskaya G.A. Krsilstchikova G.G. Mikhota The crustal structure of Iceland and the Iceland-Faeroe-Shetland region Greinar, Vísindafélag Isl. 7 1976 73-93