Crustal structure of the ultra-slow spreading Knipovich Ridge, North Atlantic, along a presumed ridge segment center

Marine Geophysical Research

Volumn 31, Issue 3, 2010, Pages 173-195

  Kandilarov, Aleksandre ^a   Landa, Hildegunn ^a   Mjelde, Rolf ^a   Pedersen, Rolf B ^a   Okino, Kyoko ^b   Murai, Yoshio ^c  

^a UNIVERSITY OF BERGEN   (Norway)

^b UNIVERSITY OF TOKYO   (Japan)

^c HOKKAIDO UNIVERSITY   (Japan)

Author keywords

Crustal structure; Knipovich Ridge; Multichannel seismic reflection; Ocean bottom seismometer; Refraction seismics; Ultra slow spreading

Indexed keywords

SEISMIC WAVES; SEISMOGRAPHS; SEISMOLOGY; VELOCITY; WAVE PROPAGATION;

CRUSTAL STRUCTURE; KNIPOVICH RIDGE; MULTI-CHANNEL SEISMIC; OCEAN BOTTOM SEISMOMETER; REFRACTION SEISMICS; ULTRA-SLOW SPREADING;

STRUCTURAL GEOLOGY;

CRUSTAL STRUCTURE; OCEAN BOTTOM SEISMOMETER; OCEANIC CRUST; P-WAVE; SEAFLOOR SPREADING; SEISMIC REFLECTION; SEISMIC REFRACTION; SEISMIC VELOCITY; SPREADING CENTER; SUBMARINE RIDGE;

ARCTIC OCEAN; KNIPOVICH RIDGE; NORWEGIAN SEA;

EID: 78650075741     PISSN: 00253235     EISSN: None     Source Type: Journal    
DOI: 10.1007/s11001-010-9095-8     Document Type: Article

References (55)

1. Austegard A, Sundvor E (1991) The Svalbard continental margin: crustal structure from analysis of deep seismic profiles and gravity, In Institute of Solid Earth Physics University of Bergen Seismo Series 53: 1-33.
2. Batiza R (1996) Magmatic segmentation of mid oceanic ridges: a review. In: MacLeod CJ, Tyler PA, Walker CL (eds) Tectonic, magmatic, hydrothermal and bilogical segmentation of mid-oceanic ridges Geological society special publication No 118, pp 103-130. doi: 10. 1144/GSL. SP. 1996. 118. 01. 06.
3. Bown JW, White RS (1994) Variation with spreading rate of oceanic crustal thickness and geochemistry. Earth Planet Sci Lett 121: 435-449.
4. Breivik AJ, Verhoef J, Ide JI (1999) Effect of thermal contrasts on gravity modeling at passive margins: results from the western Barents Sea. J Geophys Res 104(B7): 15239-15311.
5. Breivik AJ, Mjelde R, Grogan P, Shimamura H, Murai Y, Nishimura Y, Kuwano A (2002) A possible Caledonite arm through the barents Sea imaged by OBS data. Tectonophysics 355: 67-97.
6. Breivik A, Mjelde R, Grogan P, Shimamura H, Murai Y, Nishimura Y (2003) Crustal structure and transform margin development south of Svalbard based on ocean bottom seismometer data. Tectonophysics 369: 37-70.
7. Breivik A, Mjelde R, Grogan P, Shimamura H, Murai Y, Nishimura Y (2005) Caledonite development offshore-onshore Svalbard based on ocean bottom seismometer, conventional seismic, and potential field data. Tectonophysics 401: 79-117.
8. Brozena JM, Childers VM, Lawver LA, Gahagan LM, Forsberg R, Faleide JI, Eldholm O (2003) New aerogeophysical study of the Eurasia Basin and Lomonosov Ridge: implications for basin development. Geology 31(9): 825-828.
9. Bruvoll V, Breivik AJ, Mjelde R, Pedersen RB (2009). Burial of the Mohn-Knipovich seafloor spreading ridge by the Bear Island Fan: time constraints on tectonic evolution from seismic stratigraphy. Tectonics, 28, TC4001. doi: 10. 1029/2008TC002396.
10. Cannat M, Mevel C, Maia M, Deplus C, Durand C, Gente P, Agrinier P, Belarouchi A, Dubuisson G, Humler E, Reynolds J (1995) Thin crust, ultramafic exposures, and rugged faulting patterns at the Mid-Atlantic ridge (22O-24ON). Geology 23(1): 49-52.
11. Crane K, Sundvor E, Foucher J-P, Hobart M, Myhre AM, LeDouaran S (1988) Thermal evolution of the Western Svalbard Margin. Mar Geophys Res 9: 165-194.
12. Crane K, Sundvor E, Buck R, Martinez F (1991) Rifting in the northern Norwegian-Greenland Sea: thermal tests of asymmetric spreading. J Geophys Res 96: 14529-14550.
13. Crane K, Doss H, Vogt P, Sundvor E, Cherkashov G, Poroshina I, Joseph D (2001a) The role of the Spitsbergen shear zone in determining morphology, segmentation and evolution of the Knipovich Ridge. Mar Geophys Res 22: 153-205.
14. Crane K, Doss H, Vogt P, Sundvor E (2001b) Morphology of the Northeastern Mohns Ridge: results from SeaMARC II Surveys in the Norwegian-Greenland Sea. Explor Mining Geol 8: 323-339.
15. Dick HJB, Lin J, Schouten H (2003) An ultra slow spreading class of ocean ridge. Nature 426: 405-412.
16. Domenico SN (1984) Rock lithology and porosity determination from shear and compressional wave velocity. Geophysics 49(8): 1188-1195.
17. Eiken O, Austegard A (1987) The Tertiary orogenic belt of West-Spitsbergen: seismic expressions of the offshore sedimentary basins. Norsk Geologisk Tidskrift 67: 383-394.
18. Eldholm O, Faleide JI, Myhre A (1987) Continent-ocean transition at the western Barents Sea/Svalbard continental margin. Geology 15: 1118-1122.
19. Engen O, Eldholm O, Bungum H (2003) The Arctic plate boundary. J Geophys Res 108(B2): 2075. doi: 1029/2002JB001809.
20. Engen O, Faleide JI, Dyreng TK (2008) Opening of the Fram Strait gateway: a review of plate tectonic constraints. Tectonophysics 450: 51-69.
21. Faleide JI, Solheim A, Fiedler A, Hjelstuen BO, Andersen E, Vanneste K (1996) Late Cenozoic evolution of the western Barents Sea-Svalbard continental margins. Global Planet Change 12: 53-74.
22. Fiedler A, Faleide JI (1996) Cenozoic sedimentation along the southwestern Barents Sea margin in relation to uplift and erosion of the shelf. Global Planet Change 12: 75-93.
23. Glebovsky V, Likhachev A, Kristoffersen Y, Engen Ø, Faleide JI, Brekke H (2006) Sedimentary thickness estimations from magnetic data in the Nansen Basin. In: Scott RA, Thurston DK (eds) Proceedings of the fourth international conference on arctic margins. OCS StudyMMS2006-003. US Department of the Interior, Anchorage, AK, pp 157-164.
24. Grevmeyer I, Weigel W (1996) Seismic velocities of the uppermost igneous crust versus age. Geophys J Int 124: 631-635.
25. Hellevang B, Pedersen R-B (2005) Magmatic segmentation of the northern Knipovich Ridge: evidence for high-pressure fractionation at an ultraslow spreading ridge. Geochem Geophys Geosyst 6: Q09007. doi: 10. 1029/2004GC00898.
26. Hjelstuen BO, Elverhøi A, Faleide JI (1996) Cenozoic erosion and sediment yield in the drainage area of the Storfjorden Fan. Global Planet Change 12: 95-117.
27. Holbrook WS, Reiter EC, Purdy GM, Sawyer D, Stoffa PL, Austin JA Jr, Oh J, Makris J (1994) Deep structure of the U. S. Atlantic continental margin, offshore South Carolina, from coincident ocean bottom and multichannel seismic data. J Geophys Res 99(B5): 9155-9178.
28. Jokat W, Ritzmann O, Schmidt-Aursch MC, Drachev S, Gauger S, Snow J (2003) Geophysical evidence for reduced melt production on the Arctic ultraslow Gakkel mid-ocean ridge. Nature 423: 962-965.
29. Kandilarov A, Mjelde R, Okino K, Murai Y (2008) Crustal structure of the ultra-slow spreading Knipovich Ridge, North Atlantic, along a presumed amagmatic portion of oceanic crustal formation. Mar Geophys Res 29(2): 109-134. doi: 10. 1007/s11001-008-9050-0.
30. Klingelhofer F, Geli L (2000) Geophysical and geochemical constraints on crustal accretion on the very-slow spreading Mohns ridge. Geophys Res Lett 27(10): 1547-1550.
31. Klingelhofer F, Geli L, Matias L, Steinsland N, Mohr J (2000) Crustal structure of a super-slow spreading centre: a seismic refraction study of Mohns Ridge, 72N. Geophys J Int 141: 509-526.
32. Ljones F, Kuwano A, Mjelde R, Breivik A, Shimamura H, Murai Y, Nishimura Y (2004) Crustal transect from the North Atlantic Knipovich Ridge to the Svalbard Margin west of Hornsund. Tectonophysics 378: 17-41.
33. Ludwig WI, Nafe JE, Drake CL (1970) Seismic refraction. In: Maxwell AE (ed) The sea, vol 4. Wiley, New York, pp 53-84.
34. Lundin E, Doré AG (2002) Mid-Cenozoic post break-up deformation in the "passive" margins bordering the Norwegian-Greenland Sea. Marine Petroleum Geol 19: 79-93.
35. Minshull TA, Muller MR, Robinson CJ, White RS, Bickle MJ (1998) Is the oceanic Moho a serpentinization front? In: Mills RA, Harrison K (eds) Modern ocean floor processes and the geological record. Geological Society of London, Special Publication 148, pp 71-80.
36. Mjelde R, Digranes P, Shimamura H, Shiobara H, Kodaira S, Brekke H, Egebjerg T, Sørenes N, Thorbjornsen S (1998) Crustal structure of the northern part of the Vøring Basin, mid-Norway margin, from wide angle seismic and gravity data. Tectonophysics 293: 175-205.
37. Mjelde R, Raum T, Digranes P, Shimamura H, Shiobara H, Kodaira S (2003) Vp/Vs ratio along the Vøring Margin, NE Atlantic, derived from OBS data: implications on lithology and stress field. Tectonophysics 369: 175-197.
38. Mjelde R, Raum T, Myhren B, Shimamura H, Murai Y, Takanami T, Karpuz R, Næss U (2005) Continent-ocean transition on the Vøring Plateau, NE Atlantic, derived from densely sampled ocean bottom seismometer data. J Geophys Res 110: B05101. doi: 10. 1029/2004JB003026.
39. Mjelde R, Raum T, Kandilarov A, Murai Y, Takanami T (2008) Crustal structure and evolution of the outer Møre Margin, NE Atlantic (in press).
40. Mosar J, Torsvik T H, The BAT team (2002b) Opening of the Norwegian and Greenland Seas: plate tectonics in Mid Norway since the Late Permian. In: Eide EA (coord) BATLAS-Mid Norway plate reconstructions atlas with global and Atlantic perspective, Geological Survey of Norway, pp 48-59.
41. Mosar J, Eide EA, Osmundsen PT, Sommaruga A, Torsvik TH (2002) Greenland-Norway separation: a geodynamic model for the North Atlantic. Nor J Geol 82: 281-298.
42. Myhre A (1984) Compilation of seismic velocity measurements along the margins of the Norwegian Greenland Sea. Norsk Polarinstitut Skrift 180: 41-61.
43. Myhre A, Eldholm O, Sundvor E (1982) The margin between Senja and Spitsbergen fracture zones: implications from plate tectonics. Tectonophysics 89: 33-50.
44. Okino K, Curewitz D, Asada M, Tamaki K, Vogt P, Crane K (2002) Preliminary analysis of the Knipovich Ridge segmentation: influence of focused magmatism and ridge obliquity on an ultraslow spreading system. Earth Planet Sci Lett 2002: 275-288.
45. Pedley RC (1993) GRAVMAG-User Manual. Interactive 2. 5D Gravity and Magnetic Modeling Program, British Geological Survey, Keyworth, Nottingham.
46. Raum T, Mjelde R, Digranes P, Shimamura H, Shiobara H, Kodaira S, Haatvedt G, Sørenes N, Thorbjørnsen T (2002) Crustal structure of the southern part of the Vøring Basin, mid-Norway margin, from wide angle seismic and gravity data. Tectonophysics 355: 99-126.
47. Ritzmann O, Jokat W, Mjelde R, Shimamura H (2002) Crustal structure between the Knipovich Ridge and the van Mijenfjorden (Svalbard). Mar Geophys Res 23: 379-401.
48. Ritzmann O, Jokat W, Czuba W, Guterch A, Mjelde R, Nishimura Y (2004) A deep seismic transect from Hovgård Ridge to northwestern Svalbard across the continent-ocean transition: a sheared margin study. Geophys J Int 157: 683-702. doi: 10. 1111/j. 1365-246X. 2004. 02204. x.
49. Sundvor E, Eldholm O (1979) The western and northern margin off Svalbard. Tectonophysics 58: 239-250.
50. Talwani M, Eldholm O (1977) Evolution of the Norwegian-Greenland Sea. Geol Soc Am Bull 88: 969-999.
51. th parallel. Earth Planet Sci Lett 187: 55-69.
52. White RS, McKenzie D, O'Nions K (1992) Oceanic crustal thickness from seismic measurements and rare elements inversions. J Geophys Res 97(B13): 19683-19715.
53. Zelt CA (1999) Modelling strategies and model assessment for wide angle seismic traveltime data. Geophys J Int 139: 183-204.
54. Zelt CA, Ellis RM (1988) Practical and efficient ray tracing in two-dimensional media for rapid traveltime and amplitude forward modeling. Can J Explor Geophys 24: 16-31.
55. Zelt CA, Smith RB (1992) Seismic traveltime inversion for 2-D crustal velocity structure. Geophys J Int 108: 16-34.