Alkaline basaltic volcanism in the Tertiary of central East Greenland - The Trekantnunatakker

Transactions of the Royal Society of Edinburgh, Earth Sciences

Volumn 90, Issue 2, 1999, Pages 165-172

  Brown, P E ^a   Evans, I B ^b   Becker, S M ^c  

^a UNIVERSITY OF ST ANDREWS   (United Kingdom)

^b B   (United Kingdom)

^c UNIVERSITY OF DUNDEE   (United Kingdom)

Author keywords

Alkali basalts; Ankaramites; Enriched source; Neodynium and strontium isotopes; Picrites

Indexed keywords

ALKALI BASALT; MANTLE PLUME; NUNATAK; OCEAN ISLAND BASALT; TERTIARY; VOLCANISM;

GREENLAND;

EID: 0034653787     PISSN: 02635933     EISSN: None     Source Type: Journal    
DOI: 10.1017/s0263593300007215     Document Type: Article

References (33)

1. Anwar, Y. M. 1955. The petrography of the Prinsen af Wales Bjerge lavas. Meddelelser om Gronland 135, 1-31.
2. Brown, P. E., Evans, I. B. and Becker, S. M. 1996. The Prince of Wales Formation: post-flood basalt alkali volcanism in the Tertiary of East Greenland. Contributions to Mineralogy and Petrology 123, 424-34.
3. Chambers, A. D. and Brown, P. E. 1995. The Lilloise intrusion, East Greenland: fractionation of a hydrous alkali picrite magma. Journal of Petrology 36, 933-63.
4. Evans, I. B. 1983. Geochemical and isotopic studies of the Tertiary volcanic rocks from the Blosseville Coast region, East Greenland. Unpublished Ph.D. Thesis, University of Aberdeen, U.K.
5. Fitton, J. G., Saunders, A. D., Larsen, L. M., Fram, M. S., Demant, A. and Sinton, C. 1995. Magma sources and plumbing systems during break up of SE Greenland margin: preliminary results from ODP Leg 152. Journal of the Geological Society of London 152, 985-90.
6. Fitton, J. G., Saunders, A. D., Norry, M. J., Hardarson, B. S. and Taylor, R. N. 1997. Thermal and chemical structure of the Iceland plume. Earth and Planetary Science Letters 153, 197-208.
7. Hardarson, B. S., Fitton, J. G., Ellam, R. M. and Pringle, M. S. 1997. Rift relocation - a geochemical and geochronological investigation of a palaco-rift in northwest Iceland. Earth and Planetary Science Letters 153, 181-96.
8. Hémond, C., Arndt, N. T., Lichtenstein, U. and Hofmann, A. W. 1993. The heterogeneous Iceland Plume: Nd-Sr-O isotopes and trace element constraints. Journal of Geophysical Research 98B9, 15,833-50.
9. Hirose, K. and Kushiro, I. 1993. Partial melting of peridotites at high pressures: determination of compositions of melts segregated from peridotite using aggregates of diamond. Earth and Planetary Science Letters 114, 477-89.
10. 39Ar dating of the Skaergaard intrusion. Earth and Planetary Science Letters 146, 645-58.
11. Hofmann, A. W. 1997. Mantle geochemistry: the message from oceanic volcanism. Nature 385, 219-29.
12. Hogg, A. J., Fawcett, J. J., Gittins, J. and Gorton, M. P. 1989. Cyclical variation in composition in continental tholeiites of East Greenland. Canadian Journal of Earth Sciences 26, 534-43.
13. Holm, P. M. 1988. Nd, Sr and Pb isotope geochemistry of the Lower Lavas, East Greenland Tertiary igneous province. In Morton, A. C. and Parson, L. M. (eds) Early Tertiary volcanism and the opening of the North Atlantic, Geological Society Special Publication 39, 181-95. London: Geological Society of London.
14. Larsen, L. M. Watt, W. S. and Watt, M. 1989. Geology and petrology of the Lower Tertiary plateau basalts of the Scoresby Sund region, East Greenland. Bulletin Gronlands Geologiske Undersogelse 157, 1-164.
15. Lawyer, A. L. and Müller, R. D. 1994. Iceland hot spot track. Geology 22, 311-14.
16. Le Maitre, R. W., Bateman, P., Dudek, A., Le Bas, M. J., Sabine, P. A., Schmid, R., Sorensen, H., Streckeisen, A., Wooley, A. R. and Zanetin, B. 1989. A classification of igneous rocks and a glossary of terms. Oxford: Blackwell.
17. McKenzie, D. and Bickle, M. J. 1988. The volume and composition of melt formed by extension of the lithosphere. Journal of Petrology 29, 625-80.
18. Mertz, D. F. and Haase, K. M. 1997. The radiogenic isotope composition of the high-latitude North Atlantic plume. Geology 25, 411-14.
19. Middlemost, E. A. K. 1989. Iron oxidation ratios, norms and the classification of volcanic rocks. Chemical Geology 77, 19-26.
20. Nakamura, N. 1974. Determination of REE, Ba, Fe, Mg, Na and K in carbonaceous and ordinary chondrites. Geochimica Cosmochimica Acta 38, 757-75.
21. Noble, R. H., Macintyre, R. M. and Brown, P. E. 1988. Age constraints on Atlantic evolution: timing of magmatic activity on the E Greenland continental margin. In Morton, A. C. and Parson, L. M. (eds) Early Tertiary volcanism and the opening of the North Atlantic, Geological Society Special Publication 39, 201-14. London: Geological Society.
22. Pedersen, A. K., Watt, M., Watt, W. S. and Larsen, L. M. 1997. Structure and stratigraphy of the Early Tertiary basalts of the Blosseville Kyst, East Greenland. Journal of the Geological Society of London 154, 565-70.
23. Saunders, A. D., Storey, M., Kent, R. W. and Norry, M. J. 1992. Consequences of plume-lithosphere interactions. In Storey, B. C., Alabaster, C. and Pankhurst, R. J. (eds) Magmatism and the causes of continental break-up, Geological Society Special Publication 68, 41-60. London: Geological Society.
24. 39Ar ages of lavas from the SE Greenland margin, ODP Leg 152, and the Rockall Plateau, DSDP Leg 81. In Saunders, A. D., Larsen, H. C. and Wise, S. W. Jr. (eds) Proceedings of the Ocean Drilling Program, Scientific Results 152, 387-402.
25. Soper, N. J., Downie, C., Higgins, A. C. and Costa, L. 1976. Biostratigraphic ages of the Tertiary basalts on the East Greenland continental margin and their relationship to plate separation in the NE Atlantic. Earth and Planetary Science Letters 32, 149-57.
26. Sun, S.-s. and McDonough, W. F. 1989. 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, Geological Society Special Publication 42, 313-45. London: Geological Society.
27. 39Ar geochronology of Tertiary mafic intrusions along the East Greenland rifted margin: relation to flood basalts and the Iceland hotspot track. Earth and Planetary Science Letters 156, 75-88.
28. Thirlwall, M. F., Upton, B. J. and Jenkins, C. 1994. Interaction between continental lithosphere and the Iceland plume: Sr-Nd-Pb isotope geochemistry of Tertiary basalts, NE Greenland. Journal of Petrology 35, 839-79.
29. Thompson, R. N. 1982. British Tertiary volcanic province. Scottish Journal of Geology 18, 49-107.
30. Wager, L. R. 1937. The Kangerdlugssuaq region of East Greenland. Geographical Journal 40, 393-425.
31. Wager, L. R. 1947. The stratigraphy and tectonics of Knud Rasmussen Land and the Kangerdlugssuaq region. Meddelelser om Gronland 134, 1-64.
32. White, R. S. and McKenzie, D. P. 1989. Magmatism at rift zones: the generation of volcanic continental margins and flood basalts. Journal of Geophysical Research 94, 7685-729.
33. Zindler, A. and Hart, S. R. 1986. Geochemical dynamics. Annual Review of Earth and Planetary Science 4, 493-571.