Age and petrogenesis of the Qassiarsuk carbonatite-alkaline silicate volcanic complex in the Gardar rift, South Greenland

Mineralogical Magazine

Volumn 61, Issue 4, 1997, Pages 499-513

  Andersen, Tom ^a  

^a UNIVERSITY OF OSLO   (Norway)

Author keywords

Carbonatite; Gardar rift; Greenland; Pb Pb; Rb Sr; Sm Nd

Indexed keywords

EID: 0000190206     PISSN: 0026461X     EISSN: None     Source Type: Journal    
DOI: 10.1180/minmag.1997.061.407.03     Document Type: Article

References (46)

1. Allaart, J.H. (1983) Geological map of Greenland, 1:100 000, Narssarssuaq, 61V.3 Syd. Descriptive text. Grønlands Geologiske Undersøgelse, Copenhagen, 20 pp.
2. Andersen, T. (1983) Iron ores in the Fen central complex, Telemark (S. Norway): Petrography, chemical evolution and conditions of equilibrium. Norsk Geol. Tidsskr., 63, 73-82.
3. Andersen, T. (1984) Secondary processes in carbonatites: petrology of 'rødberg' hematite-calcite-dolomite carbonatite) in the Fen central complex. Telemark (South Norway). Lithos, 17, 227-45,
4. Andersen, T. (1986) Magmatic fluids in the Fen carbonatite complex, S.E. Norway. Evidence of mid-crustal fractionation from solid and fluid inclusions in apatite. Contrib. Mineral. Petrol., 93, 491-503.
5. Andersen, T. (1987) Mantle and crustal components in a carbonatite complex, and the evolution of carbonatite magma: REE and isotopic evidence from the Fen complex, S.E. Norway. Chem. Geol., (Isotope Geosci. Sect.), 65, 147-66.
6. Andersen, T. (1988) Evolution of peralkaline calcite carbonatite magma in the Fen complex, SE Norway. Lithos, 22, 99-112.
7. Andersen, T. (1996a) Sr, Nd and Pb isotopic characteristics of the Alnö carbonatite complex, Sweden. Abstracts, The 22nd Nordic Geological Winter Meeting, Turku, Finland, 11.
8. Andersen, T. (1996b) Age and petogenesis of the Qassiarsuk carbonatite - alkaline silicate complex, South Greenland (abstract). Intraplate Alkaline Magmatism, Birmingham, 1996.
9. Andersen, T. and Munz, I.A. (1995) Radiogenic wholerock lead in Precambrian metasedimentary gneisses from South Norway: Evidence for LILE mobility. Norsk Geol. Tidsskr. 75, 156-68.
10. Andersen, T. and Sundvoll, B. (1986) Strontium and neodymium isotopic composition of an early tinguaite (nepheline microsyenite) in the Fen complex, S.E. Norway: Age and petrogenetic implications. Norges geol. Unders. Bull., 409, 29-34.
11. Andersen, T. and Taylor, P.N. (1988) Lead isotope geochemistry of the Fen carbonatite complex, S.E. Norway: Age and petrogenetic implications. Geochim. Cosmochim. Acta, 52, 209-15.
12. Barker, D.S. (1989) Field relations of carbonatites. In Carbonatites, Genesis and Evolution (K. Bell, ed.). Unwin Hyman, London, 38-69.
13. Bell, K. and Blenkinsop, J. (1989) Neodymium and Strontium isotope geochemistry of carbonatites. In Carbonatites, Genesis and Evolution (K. Bell, ed.). Unwin Hyman, London, 278-300.
14. Blaxland, A.R., van Bremen, O., Emeleus, C.H. and Anderson, J.G. (1978) Age and origin of the major syenite centers in the Gardar province of South Greenland. Geol. Soc. Amer. Bull., 89, 231-44.
15. Boynton, W.V. (1984) Geochemistry of the rare earth elements: meteorite studies. In Rare Earth Element Geochemistry (P. Henderson, ed.), Elsevier, 63-114
16. Bruecner, H.K. and Rex, D.C. (1980) K-A and Rb-Sr geochronology and Sr isotopic study of the Alnö alkaline complex, northeastern Sweden. Lithos, 13, 111-9.
17. Church, A.A. and Jones, A.P. (1995) Silicate-carbonate immiscibility at Oldoinyo Lengai. J. Petrol., 96, 869-89.
18. Dahlgren, S. (1987) The satellitic intrusions in the Fen carbonatite alkaline rock province, Telemark, southeastern Norway. Unpublished Cand. Scient. Thesis, University of Oslo. 298 pp.
19. Dahlgren, S. (1993) Late Proterozoic and Carboniferous ultramafic magmatism of carbonatitic affinity in southern Norway. Lithos, 31, 141-54.
20. Dawson, J.B. (1962) Sodium carbonate lavas from Oldoinyo Lengai, Tanganyika. Nature, 195, 1075-6.
21. Dawson, J.B. (1989) Sodium carbonatite extrusions from Oldoinyo Lengai, Tanzania: implications for carbonatite complex genesis. In Carbonatites, Genesis and Evolution (K. Bell, ed.). Unwin Hyman, London, 255-77.
22. DePaolo, D.J. (1981) Neodymium isotopes in the Colorado Front Range and crust-mantle evolution in the Proterozoic. Nature, 291, 193-6.
23. Emeleus, C.H. and Upton, B.G. (1976) The Gardar Period in Southern Greenland. In Geology of Greenland, (A. Escher and W.S. Wait, eds.), Geological Survey of Greenland, Copenhagen, 152-81.
24. Faure, G. (1977) Principles of Isotope Geology, 1st edition. J. Wiley and Sons, New York. 464 pp.
25. Faure, G. (1986) Principles of Isotope Geology, 2nd edition. J. Wiley and Sons, New York. 589 pp.
26. Jahn, B.-m. and Cuvellier, H. (1994) Pb-Pb and U-Pb geochronology of carbonate rocks: an assessment. Chem. Geol., 115, 125-51.
27. Kalsbeek, F., Larsen, L.M. and Bondam, J. (1990) Geological map of Greenland, 1:500 000, Sydgrønland, sheet I. Descriptive text. Grønlands Geologiske Undersøgelse, Copenhagen.
28. Keller, J. (1989) Extrusive carbonatites and their significance. In Carbonatites, Genesis and Evolution (K. Bell, ed.). Unwin Hyman, London, 70-88.
29. Kjarsgaard, B.A. and Hamilton, D.L. (1988) Liquid immiscibility and the origin of alkali-poor carbonatite. Mineral. Mag., 52, 43-55.
30. Kjarsgaard, B.A. and Hamilton, D.L. (1989) The genesis of carbonatites. In Carbonatites, Genesis and Evolution (K. Bell, ed.). Unwin Hyman, London, pp. 388-404.
31. Knudsen, C. (1985) Apatite mineralization in carbonatite and ultramafic intrusions in Greenland. Final Report. Grønlands Geologiske Undersøgelse, Copenhagen, 176 pp.
32. Kwon, S.-T., Tilton, G.R. and Grünenfelder, M.H. (1989) Lead isotope relationships in carbonatites and alkalic complexes: an overview. In Carbonatites, Genesis and Evolution (K. Bell, ed.). Unwin Hyman, London, 360-387.
33. Le Bas, M.J. (1989) Diversification of carbonatite. In Carbonatites, Genesis and Evolution (K. Bell, ed.). Unwin Hyman, London, 428-47.
34. Ludwig, K.R. (1991) ISOPLOT; a plotting and regression program for radiogenic-isotope data; version 2.53. U.S. Geol. Surv. Open File Report 91-445, 39 pp.
35. Paslick, C.R., Halliday, A.N., Davies, G.R., Mezger, K. and Upton, B.G. (1993) Timing of Proterozoic magmatism in the Gardar Province, Southern Greenland. Geol. Soc. Amer. Bull., 105, 272-8.
36. Pearce, N.J.G. and Leng, M.J. (1996) The origin of carbonatites and related rocks from the Igaliko Dyke swarm, Gardar Province, South Greenland: field, geochemical and C-O-Sr-Nd isotope evidence. Lithos, 39, 21-40.
37. Peterson, T.D. (1989a) Peralkaline nephelinites. I. Comparative petrology of Shombole and Oldoinyo Lengai. Contrib. Mineral. Petrol., 101, 458-78.
38. Peterson, T.D. (1989b) Peralkaline nephelinites. 2 Low pressure fractionation and the hypersodic lavas of Oldoinyo Lengai. Contrib. Mineral. Petrol., 102, 336-46.
39. Peterson, T.D. (1990) Petrology and genesis of natrocarbonatite. Contrib. Mineral. Petrol., 105, 143-55.
40. Poulsen, V. (1964) The sandstsones of the Precambrian Eriksfjord formation in South Greenland. Rapp. Grønlands geol. Unders., 2, 16 pp.
41. Stewart, J.W. (1970) Precambrian alkaline-ultramafic/ carbonatite volcanism at Qagssiarssuk, South Greenland. Meddl. Grønland, 186, 4, 70 pp.
42. Tatsumoto, M., Knight, R.J. and Allègre, C.J. (1973) Time differences in the formation of meteorites as determined from the ratio of lead 207 to lead 206. Science, 180, 1279-83.
43. Taylor, P. N. and Upton, B.G. (1993) Contrasting Pb isotopic compositions in two intrusive complexes of the Gardar Magmatic Province of South Greenland. Chem. Geol., 104, 261-8.
44. 205Pb double spike for lead isotopic analyses (abstract). Terra Cognita, 4, 209.
45. Verschure, R.H., Maijer, C., Andriessen, P.A.M., Boelrijk, N.A.I.M., Hebeda, E.H., Priem, N.H.A. and Verdurmen, E.A.T. (1983) Dating explosive volcanism perforating the Precambrian basement in Southern Norway. Nor. geol. unders., 380, 35-49.
46. Whitehouse, M.J. (1989) Pb-isotope evidence for U-Th-Pb behaviour in a prograde amphibolite to granulite facies transition from the Lewisian complex of north-west Scotland: Implications for Pb-Pb dating. Geochim. Cosmoch. Acta, 53, 717-24.