Baddeleyite and zircon U-Pb ages from the Kærven area, Kangerlussuaq: Implications for the timing of Paleogene continental breakup in the North Atlantic

Lithos

Volumn 92, Issue 1-2, 2006, Pages 238-250

  Holm, Paul Martin ^a   Heaman, Larry M ^b   Pedersen, Lise E ^a  

^a UNIVERSITY OF COPENHAGEN   (Denmark)

^b UNIVERSITY OF ALBERTA   (Canada)

Author keywords

Baddeleyite; Continental breakup; East Greenland; K rven; U Pb dating; Zircon

Indexed keywords

BADDELEYITE; CONTINENTAL BREAKUP; DIKE; EMPLACEMENT; FLOOD BASALT; GABBRO; MAGMA; MAGMATISM; PALEOGENE; URANIUM-LEAD DATING; ZIRCON;

ARCTIC; GREENLAND; KANGERDLUGSSUAQ;

EID: 33750474477     PISSN: 00244937     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.lithos.2006.03.035     Document Type: Article

References (44)

1. Berggren W.A., Kent D.V., Swisher III C.C., and Aubry M.-P. A revised Cenozoic geochronology and chronostratigraphy. In: Berggren W.A., Kent D.V., Aubry M.-P., and Hardenbol J. (Eds). Geochronology, Time Scales and Global Stratigraphic Correlation. Soc. Sediment. Geol., Tulsa, OK vol. 54 (1995) 129-212
2. Brooks C.K. Tertiary of Greenland-a volcanic and plutonic record of continental breakup. Mem. Amer. Assoc. Petrol. Geol. 19 (1973) 150-160
3. Brooks C.K. Geomorphological observations at Kangerdlugssuaq, East Greenland. Meddr. Grønland, Geosci. 1 (1979) (25 pp.)
4. Brooks C.K., and Nielsen T.F.D. Early stages in the differentiation of the Skaergaard magma as revealed by a closely related suite of dike rocks. Lithos 11 (1978) 1-14
5. Brooks C.K., and Nielsen T.F.D. The E Greenland continental margin: a transition between oceanic and continental magmatism. J. Geol. Soc. (Lond.) 139 (1982) 265-275
6. Burke K., and Dewey J.F. Plume-generated triple junctions: key indicators in applying plate tectonics to old rocks. J. Geol. 81 (1973) 406-433
7. Gill R.C.O., Nielsen T.F.D., Brooks C.K., and Ingram G.A. Tertiary volcanism in the Kangerdlugssuaq region, E. Greenland: trace element geochemistry of the Lower Basalts and tholeiitic dyke swarms. In: Morton A.C., and Parson L.M. (Eds). Early Tertiary Volcanism and the Opening of the NE Atlantic. Geol. Soc. Spec. Publ. vol. 39 (1988) 161-179
8. Gleadow A.J.W., and Brooks C.K. Fission track dating, thermal histories and tectonics of igneous intrusions in East Greenland. Contrib. Mineral. Petrol. 71 (1979) 45-60
9. Hanghøj K., Storey M., and Stecher O. An isotope and trace element study of the East Greenland Tertiary dyke swarm: constraints on temporal and spatial evolution during continental rifting. J. Petrol. 44 (2003) 2081-2112
10. Hansen H., and Nielsen T.F.D. Crustal contamination in Paleogene East Greenland flood basalts: plumbing system evolution during continental rifting. Chem. Geol. 157 (1999) 89-118
11. 39Ar ages on early Tertiary basalts from the Scoresby Sund area, East Greenland. Newsl. Stratigr. 32 (1995) 103-116
12. Hansen H., Pedersen A.K., Duncan R.A., Bird D.K., Brooks C.K., Fawcett J.J., Gittins J., Gorton M., and O'Day P. Volcanic stratigraphy of the southern Prinsen af Wales Bjerge region, East Greenland. In: Jolley D.W., and Bell B.R. (Eds). The North Atlantic Igneous Province. Stratigraphy, Tectonic, Volcanic and Magmatic Processes. Geol. Soc. London Spec. Publ. vol. 197 (2002) 183-218
13. 2). In: Watson E.B., Harrison T.M., Miller C.F., and Ryerson F.J. (Eds). Geochemistry of accessory minerals; papers presented at the Third V.M. Goldschmidt conference. Chem. Geol. 110 (1993) 95-126
14. Heaman L.M., Erdmer P., and Owen J.V. U-Pb geochronological constraints on the crustal evolution of the Long Range Inlier, Newfoundland. Can. J. Earth Sci. 39 (2002) 845-865
15. Heister L.E., O'Day P.A., Brooks C.K., Neuhoff P.S., and Bird D.K. Pyroclastic deposits within the East Greenland Tertiary flood basalts. J. Geol. Soc. 158 (2001) 269-284
16. Hemond C., Arndt N.T., Lichtenstein U., and Hofmann A.W. The heterogeneous Iceland plume: Nd-Sr-O isotopes and trace element constraints. J. Geophys. Res. 98 (1993) 15833-15850
17. 39Ar dating of the Skaergaard intrusion. Earth Planet. Sci. Lett. 146 (1997) 645-658
18. Holbrook W.S., Larsen H.C., Korenaga J., Dahl-Jensen T., Reid I.D., Kelemen P.B., Hopper J.R., Kent G.M., Lizarralde D., Bernstein S., and Detrick R.S. Mantle thermal structure and active upwelling during continental breakup in North Atlantic. Earth Planet. Sci. Lett. 190 (2001) 251-266
19. 39Ar, K/Ar and Rb/Sr isotopic results. Bull. Geol. Soc. Den. 38 (1991) 183-201
20. Holm and Prægel, 2006-this volume. Cumulates from primitive rifting-related East Greenland Palaeogene magmas: Petrological and isotopic evidence from the ultramafic complexes at Kælvegletscher and near Kærven. Lithos. doi:10.1016/j.lithos.2006.03.036.
21. Karson J.A., and Brooks C.K. Structural and magmatic segmentation of the Tertiary East Greenland Volcanic Rifted Margin. In: MacNiocaill C., and Ryan P.D. (Eds). Continental Tectonics. Geol. Soc. London Spec. Publ. vol. 164 (1999) 313-338
22. Klausen M.B., and Larsen H.C. East Greenland coast-parallel dike swarm and its role in continental breakup. In: Menzies M.A., Klemperer S.L., Ebinger C.J., and Baker J. (Eds). Volcanic Rifted Margins. Geol. Soc. Amer. Spec. Pap. vol. 362 (2002) 133-158
23. Larsen H.C., and Jacobsdottir S. Distribution, crustal properties and significance of seawards-dipping sub-basement reflectors off E. Greenland. In: Morton A.C., and Parson L.M. (Eds). Early Tertiary Volcanism and the Opening of the NE Atlantic. Geol. Soc. Spec. Publ. vol. 39 (1988) 95-114
24. Larsen R.B., and Tegner C. Pressure conditions for the solidification of the Skaergaard intrusion: eruption of East Green land flood basalts in less than 300,000 years. Lithos (2006) 10.1016/j.lithos.2006.03.032
25. Larsen L.M., Watt W.S., and Watt M. Geology and petrology of the Lower Tertiary plateau basalts of the Scoresby Sund region, East Greenland. Geol. Surv. Greenland Bull. 157 (1989) 1-164
26. Momme P., and Wilson J.R. The Kraemer Island macrodyke, East Greenland: solidification of a flood basalt conduit. Geol. Mag. 139 (2002) 171-190
27. Nevle R.J., Brandriss M.E., Bird D.K., McWilliams M.O., and O'Neill J.R. Tertiary plutons monitor climate change in East Greenland. Geology 22 (1994) 775-778
28. Nielsen T.F.D. The Tertiary dike swarm of the Kangerdlugssuaq area, East Greenland. An example of magmatic development during continental breakup. Contrib. Mineral. Petrol. 67 (1978) 63-78
29. Nielsen T.F.D., Soper N.J., Brooks C.K., Faller A.M., Higgins A.C., and Matthews D.W. The pre-basaltic sediments and the lower lavas at Kangerdlugssuaq, East Greenland: their stratigraphy, lithology, paleomagnetism and petrology. Meddr. Grønland Geosci. 6 (1981) 1-25
30. Noble R.H., Macintyre R.M., and Brown P.E. Age constraints on Atlantic evolution: timing of magmatic activity along the E Greenland continental margin. In: Morton A.C., and Parson L.M. (Eds). Early Tertiary Volcanism and the Opening of the NE Atlantic. Geol. Soc. Spec. Publ. vol. 39 (1988) 201-214
31. Peate D.W., Baker J.A., Blichert-Toft J., Hilton D.R., Storey M., Kent A.J.R., Brooks C.K., Hansen H., Pedersen A.K., and Duncan R.A. The Prinsen af Wales Bjerge Formation Lavas, East Greenland: the Transition from Tholeiitic to Alkalic Magmatism during Palaeogene Continental Breakup. J. Petrol. 44 (2003) 279-304
32. Pedersen L.E., Heaman L.M., and Holm P.M. Further constraints on the temporal evolution of the Oslo Rift: precise U-Pb zircon dating in the Siljan-Skrim area. Lithos 34 (1995) 301-315
33. Pedersen A.K., Watt M., Watt W.S., and Larsen L.M. Structure and stratigraphy of the Early Tertiary basalts of the Blosseville Kyst, East Greenland. J. Geol. Soc. (Lond.) 154 (1997) 565-570
34. Saunders A.D., Fitton J.G., Kerr A.C., Norry M.J., and Kent R.W. The North Atlantic igneous province. In: Mahoney J.J., and Coffin M.F. (Eds). Large Igneous Provinces: Continental, Oceanic, and Planetary Flood Volcanism. Geophys. Monogr. Amer. Geophys. Union vol. 100 (1997) 45-94
35. Stacey J.S., and Kramers J.D. Approximation of terrestrial lead isotope evolution by a two-stage model. Earth Planet. Sci. Lett. 26 (1975) 207-221
36. Steiger R.H., and Jäger E. Subcommission of geochronology: convention on the use of decay constants in geo- and cosmochronology. Earth Planet. Sci. Lett. 36 (1977) 359-362
37. Storey M., Duncan R.A., Larsen H.C., Pedersen A.K., Waagstein R., Larsen L.M., Tegner C., and Lesher C.A. Impact and rapid flow of the Iceland plume beneath Greenland at 61 Ma. Trans.Amer.Geophys.Union 77 46 (1996) 839 (abstract)
38. Sun S.-s., and McDonough W.F. Chemical and isotopic systematics of oceanic basalts: implications for mantle composition and processes. In: Saunders A.D., and Norry M.J. (Eds). Magmatism in the Ocean Basins (1989), Geological Society, London 313-345
39. 39Ar chronology for the volcanic history of the southeast Greenland rifted margin. In: Larsen H.C., Duncan R.A., Allan J.F., and Brooks C.K. (Eds). Proc. ODP vol. 163 (1999) 53-62
40. Tegner C., Lesher C.E., Larsen L.M., and Watt W.S. Evidence from the rare-earth-element record of mantle melting for cooling of the Tertiary Iceland plume. Nature 395 (1998) 591-594
41. 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
42. Vink G.E. A hotspot model for Iceland and the Vøring Plateau. J. Geophys. Res. 89 (1984) 9949-9959
43. Wager L.A., and Deer W.A. A dykes swarm and coastal flexure in East Greenland. Geol. Mag. 75 (1938) 39-46
44. White R.S., and McKenzie D. Magmatism at rift zones: the generation of volcanic continental margins and flood basalts. J. Geophys. Res. 94 (1989) 7685-7729