Three-dimensional structure of inclined sheet swarms: Implications for crustal thickening and subsidence in the volcanic rift zones of Iceland

Journal of Volcanology and Geothermal Research

Volumn 188, Issue 4, 2009, Pages 333-346

  Siler, Drew L ^a   Karson, Jeffrey A ^a  

^a SYRACUSE UNIVERSITY   (United States)

Author keywords

central volcano; cone sheets; crustal accretion; crustal thickening; subsidence

Indexed keywords

CENTRAL VOLCANO; CONTINENTAL RIFT; CRUSTAL ACCRETION; CRUSTAL THICKENING; CRUSTAL THICKENINGS; ICELANDS; MAGMATIC ACTIVITY; MAGMATIC SOURCES; MID-OCEAN RIDGES; SHEET INTRUSION; SUB-SWARMS; SURFACE RELIEFS; THREE-DIMENSIONAL STRUCTURE; VOLCANIC RIFTS;

OCEANOGRAPHY; STRUCTURAL GEOLOGY; SUBSIDENCE; THREE DIMENSIONAL;

VOLCANOES;

ACCRETION; CRUSTAL THICKENING; DIKE SWARM; IGNEOUS INTRUSION; MAFIC ROCK; MAGMATISM; MID-OCEAN RIDGE; RIFT ZONE; SUBSIDENCE; TERTIARY;

EURASIA; EUROPE; ICELAND; NORTHERN EUROPE; SCANDINAVIA;

EID: 70450223680     PISSN: 03770273     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.jvolgeores.2009.09.017     Document Type: Article

References (76)

1. Ancochea E., Brändle J.L., Huertas M.J., Cubas C.R., and Hernán F. The felsic dikes of La Gomera (Canary Islands) identification of cone sheet and radial dike swarms. Journal of Volcanology and Geothermal Research 120 (2003) 197-206
2. Anderson E.M. The dynamics of the formation of cone-sheets, ring-dikes, and cauldron-subsidence. Proceedings of the Royal Society of Edinburgh 56 (1936) 128-156
3. Annells R.N. A geological investigation of a Tertiary intrusive centre in the Vididalur-Vatnsdalur area, northern Iceland (1968), University of St. Andrews
4. Annels A.E. The geology of the Hornafjordur Region (1967), University of London
5. Blanco-Montenegro I., Torta J.M., García A., and Araña V. Analysis and Modeling of the aeromagnetic anomalies of Gran Canaria (Canary Islands). Earth and Planetary Science Letters 206 (2003) 601-616
6. Bell R.E., and Buck W.R. Crustal control of ridge segmentation inferred from observation of the Reykjanes Ridge. Nature 357 583-586 (1992)
7. Brandsdóttir B., Menke W., Einarsson P., White R.S., and Staples R.K. Färoe-Iceland Ridge Experiment 2. Crustal structure of the Krafla central volcano. Journal of Geophysical Research 102 B4 (1997) 7867-7886
8. Brandsdóttir B., and Menke W. The seismic structure of Iceland. Jökull 58 17-34 (2008)
9. Buck W.R., Einarsson P., and Brandsdóttir B. Tectonic stress and magma chamber size as controls on dike propagation, constraints from 1975-1984 Krafla rifting episode. Journal of Geophysical Research 111 B12 (2006)
10. Burke K. Aulacogens and continental break-up. Annual Review of Earth and Planetary Sciences 5 (1977) 371-396
11. Carbotte S.M., and Macdonald K.C. East Pacific Rise 8°-10° 30′N: evolution of ridge segments and discontinuities from SeaMARC II and three-dimensional magnetic studies. Journal of Geophysical Research 97 (1992) 6959-6982
12. Carbotte S.M., Detrick R.S., Harding A., Canales J.P., Babcock J., Kent G., Van Ark E., Nedimovic M., and Diebold J. Rift topography linked to magmatism at the intermediate spreading Juan de Fuca Ridge. Geology 34 (2006) 209-212
13. Chadwick W.W.J., and Dieterich J.H. Mechanical modeling of circumferential and radial dike intrusion on Galapagos volcanoes. Journal of Volcanology and Geothermal Research 66 (1995) 37-52
14. Corazzato C., Francalanci L., Menna M., Petrone C.M., Renzulli A., Tibald A., and Vezzoli L. What controls the sheet intrusion in volcanoes? Structure and petrology of the Stromboli sheet complex, Italy. Journal of Volcanology and Geothermal Research 173 (2008) 26-54
15. Darbyshire F.A., White R.S., and Priestly K.F. Structure of the crust and uppermost mantle of Iceland from a combined seismic and gravity study. Earth and Planetary Science Letters 181 (2000) 409-428
16. Dunn R.A., Lekić V., Detrick R.S., and Toomey D.R. Three-dimensional seismic structure of the Mid-Atlantic Ridge (35°N): evidence for focused melt supply and lower crustal dike injection. Journal of Geophysical Research 110 (2005) 1-17
17. Durrance E.M. Photoelastic stress studies and their application to a mechanical analysis of the Tertiary ring-complex of Ardnamurchan, Argyllshire. Proceedings of the Geologist's Association 78 2 (1967) 289-318
18. Ebinger C., Keir D., Ayele A., Calais E., Wright T.J., Belachew M., Hammond J.O.S., Cambell E., and Buck W.R. Capturing magma intrusion and faulting processes during continental rupture: seismicty of the Dabbahu (Afar) rift. Geophysical Journal International 174 3 (2008) 1138-1152
19. Eddy C.A., Dilek W., Hurst S., and Moores E.M. Seamount formation and associated caldera complex and hydrothermal mineralization in ancient oceanic crust, troodos ophiolite (Cyprus). Tectonophysics 292 (1998) 189-210
20. Einarsson P., and Sæmundsson K. Earthquake epicenters 1982-1985 and volcanic systems in Iceland: a map. In: Sigfússon Th. (Ed). Í hlutarins edli, Festschrift for Thorbjörn Sigurgeirsson, Mnningarsjódur, Reykjavík (1987)
21. Ewart A., Milner S.C., Duncan A.R., and Bailey M. The Cretaceous Messum igneous complex, S.W. Etendeka, Namibia: reinterpretation in terms of a downsag-cauldron subsidence model. Journal of Volcanology and Geothermal Research 114 (2002) 251-273
22. 39Ar geochronology. Earth and Planetary Science Letters 214 (2003) 529-544
23. Gautneb H., and Gudmundsson A. Effect of local and regional stress fields on sheet emplacement in West Iceland. Journal of Volcanology and Geothermal Research 51 (1992) 339-356
24. Gautneb H., Gudmundsson A., and Oskarsson N. Structure, petrochemistry and evolution of a sheet swarm in an Icelandic central Volcano. Geological Magazine 126 (1989) 659-673
25. Geshi N. Structural development of dike swarms controlled by the change of magma supply rate: the cone sheets and parallel dikes swarms of the Miocene Otoge igneous complex, Central Japan. Journal of Volcanology and Geothermal Research 141 (2005) 267-281
26. Gudmundsson A. Infrastructure and mechanics of volcanic systems in Iceland. Journal of Volcanology and Geothermal Research 64 (1995) 1-22
27. Gudmundsson A. Magma chambers modeled as cavities explain the formation of rift zone central volcanoes and their eruption and intrusion statistics. Journal Geophysical Research 103 B4 (1998) 7401-7412
28. Gudmundsson A. Dynamics of volcanic systems in Iceland: example of tectonism and volcanism at juxtaposed hot spot and mid-ocean ridge systems. Annual Review of Earth and Planetary Sciences 28 (2000) 107-140
29. Gudmundsson A. Emplacement and arrest of sheets and dykes in central volcanoes. Journal of Volcanology and Geothermal Research 116 (2002) 279-298
30. Gudmundsson A. How local stresses control magma-chamber ruptures, dyke injections and eruptions in composite volcanoes. Earth Science Reviews 79 (2006) 1-31
31. Hardarson B.S., and Fitton J.G. Mechanisms of crustal accretion in Iceland. Geology 25 11 (1997) 1043-1046
32. Hardarson B.S., Fitton J.G., Ellam R.M., and Pringle M.S. Rift relocation - a geochemical and geochronological investigation of a paleo-rift in northwest Iceland. Earth and Planetary Science Letters 153 (1997) 181-196
33. Hooft E.E.E., Detrick R.S., Toomey D.R., Collins J.A., and Lin J. Crustal thickness and structure along three contrasting spreading segments of the Mid-Atlantic Ridge, 33.5°-35° N. Journal of Geophysical Research 105 B4 (2000) 8205-8226
34. Jakobsson S.P. Outline of the Petrology of Iceland. Jökull 29 57-73 (1979)
35. Jancin M., Young K.D., and Voight B. Stratigraphy and K/Ar ages across the west flank of the northeast Iceland axial rift zone, in relation to the 7 Ma volcano-tectonic reorganization of Iceland. Journal Geophysical Research 90 B12 (1985) 9961-9985
36. Jóhannesson, H., Sæmundsson, K., 1998a. Geological Map of Iceland. 1:150,000. Bedrock Geology. Icelandic Institute of Natural History, Reykjavik.
37. Jóhannesson, H., Sæmundsson, K., 1998b. Geological Map of Iceland. 1:150,000. Tectonics. Icelandic Institute of Natural History, Reykjavik.
38. Johnson S.E., Paterson S.R., and Tate M.C. Structure and emplacement history of a multiple-center, cone-sheet-bearing ring complex: The Zarza Intrusive Complex, Baja California, Mexico. GSA Bulletin 11 4 (1999) 607-619
39. Jones S.M., and Maclennan J. Crustal flow beneath Iceland. Journal of Geophysical Research 110 (2005)
40. Karson J.A., and Brooks C.K. Structural and magmatic segmentation of the Tertiary East Greenland volcanic rifted margin. In: Ryan P., and MacNiocaill C. (Eds). Continental Tectonics. Geological Society of London, Special Publication (1999), Blackwell Scientific Publishers, London 313-338
41. Keir D., Hamling I.J., Ayele A., Calais E., Ebinger C., Wright T.J., Jacques E., Mohamed K., Hammond J.O.S., Belachew M., Baker E., Rowland J.V., Lewi E., and Bennati L. Evidence for focused magmatic accretion at segment center from lateral dike injections captured beneath the Red Sea rift in Afar. Geology 37 1 (2009) 59-62
42. Kim J.-M. Vectorial formulation of direction cosines for anisotropic geologic structures from their Geologic angle measurements. Mathematical Geology 37 8 (2005) 929-941
43. Klausen M.B. Geometry and mode of emplacement of the Thverartindur cone sheet swarm, SE Iceland. Journal of Volcanology and Geothermal Research 138 (2004) 185-204
44. Kristjánsson L., and Jónsson G. Aeromagnetic results and the presence of an extinct rift zone in western Iceland. Journal of Geodynamics 2 (1998) 99-108
45. Kristjánsson L., Jóhannesson H., and McDougall I. Stratigraphy, age and paleomagnetism of Langidalur, northern Iceland. Jökull 42 (1992) 31-43
46. Lafrance B., and John B.E. Sheeting and dyking emplacement of the Gunnison annular complex, SW Colorado. Journal of Structural Geology 23 (2001) 1141-1159
47. Lin J., Purdy G.M., Schouten H., Sempere J.-C., and Zervas C. Evidence from gravity data for focused magmatic accretion along the Mid-Atlantic Ridge. Nature 344 6267 (1990) 627-632
48. Macdonald K.C. Linkages between faulting, volcanism, hydrothermal activity and segmentation on fast spreading centers. In: Buck W.R., Delaney P.T., Karson J.A., and Lagabrielle Y. (Eds). Faulting and magmatism at mid-ocean ridges. Geophysical Monograph (1998), American Geophysical Union, Washington, DC 27-58
49. Menke W. Crustal isostacy indicates anomalous densities beneath Iceland. Geophysical Research Letters 26 9 (1999) 1215-1218
50. Menke W.H., and Sparks D. Crustal accretion model for Iceland predicts 'cold' crust. Geophysical Research Letters 22 (1995) 1673-1676
51. Pálmason G.A. A continuum model of crustal generation in Iceland. Journal of Geophysics 47 (1980) 7-18
52. Pálmason G., and Sæmundsson K. Iceland in relation to the mid-Atlantic ridge. Annual Review of Earth and Planetary Sciences 2 (1974) 25-50
53. Paquet F., Dauteuil O., Hallot E., and Moreau F. Tectonics and magma dynamics coupling in a dyke swarm of Iceland. Journal of Structural Geology 29 (2007) 1477-1493
54. Phillips W.J. The dynamic emplacement of cone sheets. Tectonophysics 24 (1974) 69-84
55. Ritz M., Brown W.L., Morneau C., and Ohenstetter D. An audiomagnetotulluric study of the Meugueur-Meugueur ring structure, Aïr, Niger: ring dyke or cone sheet?. Journal of Applied Geophysics 34 (1996) 229-236
56. Rodriguez-Losada J.A., and Martinez-Frias J. The felsic complex of the Vallehermoso Caldera: interior of and ancient volcanic system (La Gomera, Canary Islands). Journal of Volcanology and Geothermal Research 137 (2004) 261-281
57. Rosendahl B.R. Architecture of continental rifts with special reference to East Africa. Annual Reviews of Earth and Planetary Sciences 15 (1987) 445-503
58. Rosendahl B.R., Reynolds D.J., Lorber P.M., Burgess C.F., McGill J., Scott D., Lambiase J.J., and Derksen S.J. Structural expressions of rifting: lessons from Lake Tanganyika, Africa. In: Frostick L.E., Renaut R.W., Reid I., and Tiercelin J.-J. (Eds). Sedimentation in the African Rifts. Geological Society of London, Special Publication vol. 25 (1986) 29-43 London
59. Sæmundsson. Fissure swarms and central volcanoes of the Neovolcanic Zones of Iceland. Geol. J. 10 (1978) 415-432
60. Sæmundsson K. Outline of the geology of Iceland. Jökull 29 7-29 (1979)
61. Schirnick C., Bogaard P.V.D., and Schmincke H.-U. Cone sheet formation and intrusive growth of an oceanic island - the Miocene Tejada complex on Gran Canaria (Canary Islands). Geology 27 3 (1999) 207-210
62. Sturkell E., Einarsson P., Sigmundsson F., Ólafsson H., Pedersen R., de Zeeuw-van Dalfsen E., Linde A.T., Sacks S.L., and Stefánsson R. Volcano geodesy and magma dynamics in Iceland. Journal of Volcanology and Geothermal Research 150 (2006) 14-34
63. Sturkell E., Sigmundsson F., and Slunga R. 1983-2000 decaying rate of deflation at Askja Caldera: pressure decrease in an extensive magma plumbing system at a spreading plate boundary. Bulletin of Volcanology 68 (2006) 727-735
64. Tolstoy M., Harding A.J., and Orcutt J.A. Crustal thickness on the Mid-Atlantic Ridge: bull's-eye gravity anomalies and focused accretion. Science 262 5134 (1993) 726-729
65. Troll V.R., Walter T.R., and Schmincke H.-U. Cyclic caldera collapse: piston or piecemeal subsidence? Field and experimental evidence. Geology 30 2 (2002) 135-138
66. Tryggvason E. Multiple magma reservoirs in a rift zone volcano; ground deformation and magma transport during the September 1984 eruption of Krafla, Iceland. Journal of Volcanology and Geothermal Research 28 1-2 (1986) 1-44
67. Ulrych J., and Balogh K. Roztoky intrusive centre in the České Středohoří Mts.: differentiation, emplacement, distribution, orientation and age of dyke series. Geologica Carpathica 51 6 (1991) 383-397
68. Varga R.J., Gee J.S., Staudigel H., and Tauxe L. Dike surface lineations as magma flow indicators within the sheeted dike complex of the Troodos Ophilolite, Cyprus. Journal of Geophysical Research 103 B3 (1998) 5241-5256
69. Verner K., Žák J., Nahodilová R., and Holub F.V. Magmatic fabrics and emplacement of the cone-sheet-bearing Knížecí Stolec durbachitic pluton (Moldanubian Unit, Bohemian Massif): implications for mid-crustal reworking of granulitic lower crust in the Central European Variscides. International Journal of Science 97 (2008) 19-33
70. Walker G.P.L. Geology of the Reydarfjördur Area, Eastern Iceland. Quarterly Journal of the Geological Society 114 1-4 (1958) 367-391
71. Walker G.P.L. Zeolite zones and dike distribution in relation to the structure of the basalts of eastern Iceland. Journal of Geology 68 (1960) 515-528
72. Walker G.P.L. The structure of Eastern Iceland. In: Kristjansson L. (Ed). Geodynamics of Iceland and the North Atlantic Area (1974), Reidel, Dordrecht 177-188
73. Walker G.P.L. Intrusive sheet swarms and the identity of Crustal Layer 3 in Iceland. Journal of the Geological Society of London 131 (1975) 143-161
74. Walker G.P.L. Basaltic-volcano systems. In: Prichard H.M., Alabaster T., Harris N.B.W., and Neary C.R. (Eds). Magmatic processes and plate tectonics. Geological Society of London, Special Publication (1993), Blackwell Scientific Publishers, London 3-38
75. White R.S., Smith L.K., Roberts A.W., Christie P.A.F., and Kusznir N.J. Lower-crustal intrusion on the North Atlantic continental margin. Nature 452 (2008) 460-464
76. Wilson J.T. A new class of faults and their bearing on continental drift. Nature, London 207 (1965) 343-347