40Ar/39Ar geochronology of the West Greenland Tertiary volcanic province

Earth and Planetary Science Letters

Volumn 160, Issue 3-4, 1998, Pages 569-586

  Storey, M ^a   Duncan, R A ^b   Pedersen, A K ^a,c   Larsen, L M ^a,d   Larsen, H C ^a  

^a DANISH LITHOSPHERE CENTRE   (Denmark)

^b OREGON STATE UNIVERSITY   (United States)

^c UNIVERSITY OF COPENHAGEN   (Denmark)

^d GEOLOGICAL SURVEY OF DENMARK AND GREENLAND   (Denmark)

Author keywords

Flood basalt; Geochronology; Greenland; Labrador Sea; Mantle plumes; Paleocene

Indexed keywords

FLOOD BASALT; GEOCHRONOLOGY; PALEOCENE;

GREENLAND;

EID: 0032448936     PISSN: 0012821X     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0012-821X(98)00112-5     Document Type: Article

References (77)

1. P.M. Holm, R.C.O. Gill, A.K. Pedersen, J.G. Larsen, N. Hald, T.F.D. Nielsen, M.F. Thirlwall, The Tertiary picrites of West Greenland: contributions from 'Icelandic' and other sources, Earth Planet. Sci. Lett. 115 (1993) 227-244.
2. D.W. Graham, L.M. Larsen, B.B. Hanan, M. Storey, A.K. Pedersen, J.E. Lupton, Helium isotope composition of the early Iceland plume inferred from the Tertiary picrites of West Greenland, Earth Planet. Sci. Lett. 160 (1998) 241-255.
3. L.A. Lawver, R.D. Müller, Iceland hotspot track, Geology 22 (1994) 311-314.
4. C.K. Brooks, Rifting and doming in southern east Greenland, Nature 244 (1973) 23-25.
5. W.J. Morgan, Hotspot tracks and the early rifting of the Atlantic, Tectonophysics 94 (1983) 123-139.
6. R.A. Duncan, Age progressive volcanism in the New England seamounts and the opening of the central Atlantic Ocean, J. Geophys. Res. 89 (1984) 9980-9990.
7. D.A. Forsyth, P. Morel-à-l'Huissier, I. Asudsen, A.G. Green, Alpha Ridge and Iceland: products of the same plume?, J. Geodyn. 6 (1986) 197-214.
8. R.S. White, D.P. McKenzie, Magmatism at rift zones: the generation of volcanic continental margins and flood basalts, J. Geophys. Res. 94 (1989) 7685-7729.
9. J.A. Chalmers, L.M. Larsen, A.K. Pedersen, Widespread Paleocene volcanism around the northern North Atlantic and Labrador Sea - evidence for a large, hot, early plume head, J. Geol. Soc. London 152 (1995) 965-969.
10. J.C. Escher, T.C.R. Pulvertaft, Geological map of Greenland, 1:2,500,000, Geological Survey of Greenland, Copenhagen, 1995.
11. R.C. Whittaker, A preliminary assessment of the structure, basin development and petroleum potential offshore central West Greenland, Grønl. Geol. Unders. Open-File Rep. 95/9 (1995) 33 pp.
12. J.A. Chalmers, K.H. Laursen, Labrador Sea: the extent of continental crust and the timing of the start of sea-floor spreading, Mar. Pet. Geol. 12 (1995) 205-217.
13. S.P. Srivastava, Evolution of the Labrador Sea and its bearing on the early evolution of the North Atlantic, Geophys. J. R. Astron. Soc. 52 (1978) 313-357.
14. W.R. Roest, S.P. Srivastava, Sea-floor spreading in the Labrador Sea: a new reconstruction, Geology 17 (1989) 1000-1003.
15. W.S. Watt, The coast-parallel dike swarm of southwest Greenland in relation to the opening of the Labrador Sea, Can. J. Earth Sci. 6 (1969) 1320-1321.
16. 39Ar dating of alkali basaltic dykes along the southwest coast of Greenland: Cretaceous and Tertiary igneous activity along the eastern margin of the Labrador Sea, Geol. Surv. Greenland Bull., in press.
17. J.A. Chalmers, T. Dahl-Jensen, K.J. Bate, R.C. Whittaker, Geology and petroleum prospectivity of the region offshore southern West Greenland - a summary, Rapp. Grønl. Geol. Unders. 165 (1995) 13-21.
18. F. Rolle, Late Cretaceous-Tertiary sediments offshore central West Greenland: lithostratigraphy, sedimentary evolution, and petroleum potential, Can. J. Earth Sci. 22 (1985) 1001-1019.
19. D. Chian, K.E. Louden, The continent-ocean crustal transition across the southwest Greenland margin, J. Geophys. Res. 99 (1994) 9117-9135.
20. D. Chian, K.E. Louden, I. Reid, Crustal structure of the Labrador Sea conjugate margin and implications for the formation of nonvolcanic continental margins, J. Geophys. Res. 100 (1995) 24239-24253.
21. J.A. Chalmers, The continental margin off southern Greenland: along-strike transition from an amagmatic to a volcanic margin, J. Geol. Soc. London 154 (1997) 571-576.
22. P.A. Nadin, N.J. Kusznir, M.J. Cheadle, Early Tertiary plume uplift of the North Sea and Faeroe-Shetland Basins, Earth Planet. Sci. Lett. 148 (1997) 109-127.
23. W.A. Berggren, D.V. Kent, C.C. Swisher III, M.-P. Aubry, A revised Cenozoic geochronology and chronostratigraphy, Soc. Econ. Paleontol. Mineral. Spec. Publ. 54 (1995) 130-212.
24. H.R. Balkwill, Labrador Basin: structural and stratigraphy style, in: C. Beaumont, A.J. Tankard (Eds.), Sedimentary Basins and Basin-Forming Mechanisms, Can. Soc. Pet. Geol. Mem. 12 (1987) 17-43.
25. G. Dam, M. Sønderholm, Sedimentological evolution of a fault-controlled Early Paleocene incised valley system, Nuussuaq Basin, West Greenland; relative role of eustasy, climate, and tectonism in continental rocks, Soc. Econ. Paleontol. Mineral. Spec. Publ. 1997.
26. N. Hald, A.K. Pedersen, Lithostratigraphy of the early Tertiary volcanic rocks of central West Greenland, Rapp. Grønl. Geol. Unders. 69 (1975) 17-24.
27. D.B. Clarke, B.G.J. Upton, Tertiary basalts of Baffin Bay: field relations and tectonic setting, Can. J. Earth Sci. 8 (1971) 248-258.
28. D.B. Clarke, A.K. Pedersen, Tertiary volcanic province of West Greenland, in: A. Escher, W.S. Watt (Eds.), Geology of Greenland, Geological Survey of Greenland, Copenhagen, 1976, pp. 364-385.
29. A.K. Pedersen, Lithostratigraphy of the Tertiary Vaigat Formation on Disko, central West Greenland, Rapp. Grønl. Geol. Unders. 124 (1985) 1-30.
30. R.C.O. Gill, A.K. Pedersen, J.G. Larsen, Tertiary picrites in West Greenland: melting at the periphery of a plume? in: B.C. Storey, T. Alabaster, R.J. Pankhurst (Eds.), Magmatism and the Causes of Continental Break-up, Geol. Soc. London Spec. Publ. 68 (1992) 335-348.
31. L.M. Larsen, A.K. Pedersen, G.K. Pedersen, S. Piasecki, Timing and duration of Early Tertiary volcanism in the North Atlantic: new evidence from West Greenland, in: B.C. Storey, T. Alabaster, R.J. Pankhurst (Eds.), Magmatism and the Causes of Continental Break-up, Geol. Soc. London Spec. Publ. 68 (1992) 321-333.
32. A.K. Pedersen, L.M. Larsen, K.S. Dueholm, Geological section along the south coast of Nuussuaq, central West Greenland, 1 : 20,000 Coloured Geological Sheet, Geological Survey of Greenland, Copenhagen, 1993.
33. S. Piasecki, L.M. Larsen, A.K. Pedersen, G.K. Pedersen, Palynostratigraphy of the lower Tertiary volcanics and marine clastic sediments in the southern part of the West Greenland Basin: implications for the timing and duration of the volcanism, Rapp. Grønl. Geol. Unders. 154 (1992) 13-31.
34. T. Jürgensen, N. Mikkelsen, Coccoliths from volcanic sediments (Danian) in Nûgssuaq, West Greenland, Bull. Geol. Soc. Denm. 23 (1974) 225-230.
35. L.G. Kristjansson, E.R. Deutsch, Magnetic properties of rock samples from the Baffin Bay coast, Geol. Surv. Can. Pap. 71-23 (1973) 545-564.
36. E.R. Deutsch, L.G. Kristjansson, Palaeomagnetism of the Late Cretaceous-Tertiary volcanics from Disko Island, West Greenland, Geophys. J. R. Astron. Soc. 39 (1974) 343-360.
37. R.N. Athavale, P.V. Sharma, Paleomagnetic results on Early Tertiary lava flows from West Greenland and their bearing on the evolution history of the Baffin Bay-Labrador Sea region, Can. J. Earth Sci. 12 (1975) 1-18.
38. N. Hald, Normally magnetised lower Tertiary lavas on Nûgssuaq, central West Greenland, Rapp. Grønl. Geol. Unders. 79 (1977) 5-7.
39. P. Riisager, N. Abrahamsen, Magnetostratigraphy of Paleocene basalts from the Vaigat Formation of West Greenland, Geophys. J. Int., in press.
40. D.H. Tarling, H.I. Otulana, The paleomagnetism of some Tertiary igneous rocks from Ubekendt Island, West Greenland, Bull. Geol. Soc. Denm. 21 (1972) 395-406.
41. R.J.E. Parrott, P.H. Reynolds, Argon-40/Argon-39 geochronology: age determinations of basalts from the Labrador Sea area (abstr.), Geol. Soc. Am. 7 (1975) 835.
42. A.K. Pedersen, Graphite andesite tuffs resulting from high-Mg tholeiite and sediment interaction; Nûgssuaq, West Greenland, Bull. Geol. Soc. Denm. 27 (1978) 117-130.
43. N.H.M. Swinburne, C.C. Swisher, Glass spheres, high iridium and flood basalts in West Greenland: a Paleocene impact site? (abstr.), Geol. Soc. Am. 24 (1992) 333.
44. N. Hald, Early Tertiary flood basalts from Hareøen and western Nûgssuaq, West Greenland, Rapp. Grønl. Geol. Unders. 120 (1976) 36 pp.
45. A.K. Pedersen, Dyke intrusions along the south coast of Disko, Rapp. Grønl. Geol. Unders. 81 (1977) 57-67.
46. S. Munck, On the geology and petrography of the West Greenland basalt province, V, Two major dolerite intrusions of the Nûgssuaq peninsula, Medd. Grønl. 137 (1945) 61 pp.
47. T.C.R. Pulvertaft, Reinvestigation of the Cretaceous boundary fault in Sarqaqdalen, Nûgssuaq, central West Greenland, Rapp. Grønl. Geol. Unders. 145 (1989) 28-32.
48. H.I. Drever, P.M. Game, The geology of Ubekendt Ejland, Medd. Grønl. 134 (1948) 35 pp.
49. J.G. Larsen, Medium pressure crystallization of a monchiquitic magma - evidence from megacrysts of Drever's block, Ubekendt Ejland, West Greenland, Lithos 14 (1981) 241-262.
50. A.K. Pedersen, New mapping in northwestern Disko 1972, Rapp. Grønl. Geol. Unders. 69 (1975) 25-32.
51. 39Ar and K/Ar dating of the Bishop and Fish Canyon Tuffs: calibration ages for fission-track dating standards, Chem. Geol. 58 (1985) 23-32.
52. R.A. Duncan, Age distribution of volcanism along aseismic ridges in the eastern Indian Ocean, Proc. ODP Sci. Results 121 (1991) 507.
53. D. York, Least squares fitting of a straight line with correlated errors, Earth Planet Sci. Lett. 5 (1969) 320-324.
54. 39Ar ages of lavas from the southeast Greenland margin, ODP Leg 152 and the Rockall Plateau, DSDP Leg 81, Proc. ODP Sci. Results 152 (1997), in press.
55. R.P. Werner, P. van den Bogard, C. Lacasse, H.-U. Schmincke, Chemical composition, age, and source of volcaniclastic sediments from Sites 917 and 918, Proc. ODP Sci. Results 152 (1997), in press.
56. 39Ar age for the initiation of Palaeogene volcanism in the Inner Hebrides and its regional significance, J. Geol. Soc. London 153 (1996) 815-818.
57. R.A. Duncan, D.G. Pyle, Rapid eruption of the Deccan flood basalts at the Cretaceous/Tertiary boundary, Nature 333 (1988) 841-843.
58. V. Courtillot, G. Féraud, H. Maluski, D. Vandamme, M.G. Moreau, J. Besse, Deccan flood basalts and the Cretaceous/Tertiary boundary, Nature 333 (1988) 843-846.
59. A.K. Baksi, Geochronological studies on whole-rock basalts, Deccan Traps, India: evaluation of the timing of volcanism relative to the K-T boundary, Earth Planet. Sci. Lett. 121 (1994) 43-56.
60. M.F. Coffin, O. Eldholm, Large igneous provinces: crustal structure, dimensions, and external consequences, Rev. Geophys. 32 (1994) 1-36.
61. T.L. Tolan, S.P. Reidel, M.H. Beeson, J.L. Anderson, K.R. Fecht, D.A. Swanson, Revisions to the estimates of the areal extent and volume of the Columbia River basalt group, in: S.P. Reidel, P.R. Hooper (Eds.), Volcanism and Tectonism in the Columbia River Flood-Basalt Province, Geol. Soc. Am. Spec. Pap. 239 (1989) 1-20.
62. T.F.D. Nielsen, C.K. Brooks, The E Greenland rifted continental margin: an examination of the costal flexure, J. Geol. Soc. London 138 (1981) 559-568.
63. G. Pálmason, Crustal rifting, and related thermo-mechanical processes in the lithosphere beneath Iceland, Geol. Rundsch. 70 (1981) 244-260.
64. R.S. Coe, M. Prevot, P. Camps, New evidence for extraordinarily rapid change of the geomagnetic field during a reversal, Nature 374 (1995) 687-692.
65. H.C. Larsen, A.D. Saunders, Tectonism and volcanism at the SE Greenland rifted margin: a record of plume impact and later continental rupture, Proc. ODP Sci. Results 152 (1997), in press.
66. J.G. Fitton, A.D. Saunders, L.M. Larsen, M.S. Fram, A. Demant, C. Sinton, Leg 152 Scientific Party, Magma sources and plumbing systems during break-up of the SE Greenland margin: results from ODP leg 152, J. Geol. Soc. London 152 (1995) 985-990.
67. R.W. Kent, Magnesian basalts from the Hebrides, Scotland: chemical composition and relation to the Iceland plume, J. Geol. Soc. London 152 (1995) 979-983.
68. R.W. Kent, M. Storey, A.D. Saunders, Large igneous provinces: sites of plume impact or plume incubation?, Geology 20 (1992) 891-894.
69. D. Chian, C. Keen, I. Reid, K.E. Louden, Evolution of nonvolcanic rifted margins: new results from the conjugate margins of the Labrador Sea, Geology 23 (1995) 589-592.
70. T.B. Larsen, D.A. Yuen, Ultrafast upwelling bursting through the upper mantle, Earth Planet. Sci. Lett. 146 (1997) 393-399.
71. N.H. Sleep, Lateral flow and ponding of starting plume material, J. Geophys. Res. 102 (1997) 10001-10012.
72. 39Ar geochronology of Tertiary mafic intrusions along the East Greenland rifted margin: relation to flood basalts and the Iceland hotspot track, Earth Planet. Sci. Lett. 156 (1998) 75-88.
73. S. Bernstein, P.B. Kelemen, C. Tegner, M.D. Kurz, J. Blusztajn, C.K. Brooks, Plume-related, post-rift basaltic magmatism along the East Greenland margin, Earth Planet. Sci. Lett., submitted.
74. R.I. Hill, Starting plumes and continental break-up, Earth Planet. Sci. Lett. 104 (1991) 398-416.
75. J.G. Larsen, Transition from low potassium olivine tholeiites to alkali basalts on Ubekendt Ejland, Tertiary volcanic province of West Greenland, Medd. Grønl. 200 (1977) 1-42.
76. 39Ar dating of the Skaergaard intrusion, Earth Planet. Sci. Lett. 146 (1997) 645-658.
77. M. Storey, R.A. Duncan, H.C. Larsen, A.K. Pedersen, L.M. Larsen, R. Waagstein, Timing the opening of the North Atlantic through the Faeroes-Greenland conjugate continental margins (to be submitted May 1998).