Extensional tectonics and mafic plutons in the Ketilidian rapakivi granite suite of South Greenland

Lithos

Volumn 67, Issue 1-2, 2003, Pages 1-13

  Brown, P E ^a   Dempster, T J ^b   Hutton, D H W ^c   Becker, S M ^d  

^a UNIVERSITY OF ST ANDREWS   (United Kingdom)

^b UNIVERSITY OF GLASGOW   (United Kingdom)

^c UNIVERSITY OF BIRMINGHAM   (United Kingdom)

^d UNIVERSITY OF DUNDEE   (United Kingdom)

Author keywords

Bimodal; Extension; Mafic plutons; Nd Sr isotopes; Rapakivi suite

Indexed keywords

BIMODAL ASSOCIATION; EXTENSIONAL TECTONICS; GRANITE; ISOTOPIC COMPOSITION; PLUTON; PROTEROZOIC; RAPAKIVI; TECTONIC SETTING;

(SOUTH); GREENLAND;

EID: 0037367112     PISSN: 00244937     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0024-4937(02)00212-8     Document Type: Article

References (38)

1. Allaart, J.H., 1976. Ketilidian mobile belt in south Greenland. In: Escher, A., Watt, W.S. (Eds.), Geology of Greenland. Gronl. Geol. Unders., Copenhagen, pp. 121-151.
2. Ashcroft, W.A., 1972. Crustal structure of the South Shetland Islands and Bransfield Strait. Scientific Reports - British Antarctic Survey, 66.
3. Barbero, L., Villaseca, C., Rogers, G., Brown, P.E., 1995. Geochemical and isotopic disequilibrium in crustal melting: an insight from anatectic granitoids from Toledo, Spain. Journal of Geophysical Research 100 (B8), 15745-15765.
4. Bridgwater, D., Sutton, J., Watterson, J., 1974. Crustal downwarping associated with igneous activity. Tectonophysics 21, 7-77.
5. Brown, P.E., Dempster, T.J., Harrison, T.N., Hutton, D.H.W., 1992. The rapakivi granites of South Greenland - crustal melting in response to extensional tectonics and magmatic underplating. Transactions of the Royal Society of Edinburgh 83, 173-178.
6. Brown, P.E., Fallick, A.E., Becker, S.M., Dempster, T.J., Hutton, D.H.W., 1999. The rapakivi granites of South Greenland-stable isotope characteristics of their black and white facies and the nature of their protolith. Lithos 46, 485-504.
7. Chadwick, B., Garde, A.A., 1996. Palaeoproterozoic oblique plate convergence in South Greenland: a reappraisal of the Ketilidian orogen. In: Brewer, T.S. (Ed.), Precambrian Crustal Evolution in the North Atlantic Region. Special Publication - Geological Society of London, vol. 112, pp. 179-196.
8. Collins, W.J., 2002. Hot orogens, tectonic switching, and creation of continental crust. Geology 30, 535-538.
9. Dempster, T.J., Harrison, T.N., Brown, P.E., Hutton, D.H.W., 1991a. Low-pressure granulites from the Ketilidian mobile belt of southern Greenland. Journal of Petrology 32, 979-1004.
10. Dempster, T.J., Hutton, D.H.W., Harrison, T.N., Brown, P.E., Jenkin, G.R.T., 1991b. Textural evolution of the rapakivi granites, South Greenland - Sr, O and H isotopic investigations. Contributions to Mineralogy and Petrology 10, 459-471.
11. Fisk, M.R., 1990. Volcanism in the Bransfield Strait, Antarctica. Journal of South American Earth Sciences 3, 91-101.
12. Garde, A.A., Chadwick, B., Grocott, J., Hamilton, M., McCaffrey, K., Swager, C., 1998. An overview of the Palaeoproterozoic Ketilidian orogen, South Greenland. In: Wardle, R.J., Hall, J. (Eds.), Eastern Canadian Shield Onshore-Offshore Transect (ECSOOT). University of British Columbia, Lithoprobe Secretariat Report, vol. 68, pp. 50-66.
13. Garde, A.A., Chadwick, B., Grocott, J., Hamilton, M.A., McCaffery, K.J.W., Swager, C.P., 2002. Mid-crustal partitioning and attachment during oblique convergence in an arc system. Palaeoproterozoic Ketilidian orogen, southern Greenland. Journal of the Geological Society (London) 159, 247-261.
14. Grocott, J., Garde, A.A., Chadwick, B., Cruden, R., Swager, C., 1999. Emplacement of rapakivi granite and syenite by floor depression and roof uplift in the Palaeoproterozoic Ketilidian orogen, South Greenland. Journal of the Geological Society (London) 156, 15-24.
15. Grocott, J., Garde, A.A., Chadwick, B., Cruden, R., Swager, C., 2000. Discussion on the emplacement of rapakivi granite and syenite by floor depression and roof uplift in the Palaeoproterozoic Ketilidian orogen, South Greenland. Journal of the Geological Society (London) 157, 703-704.
16. Gulson, B.L., Krogh, T.E., 1975. Evidence of multiple intrusion, possible resetting of U-Pb ages, and new crystallisation of zircons in the post-tectonic intrusions (rapakivi granites) from South Greenland. Geochimica et Cosmochimica Acta 39, 65-82.
17. Hamilton, M.A., 1997. Synopsis of new U-Pb geochronological results from the Ketilidian orogen, South Greenland. In: Wardle, R.J., Hall, J. (Eds.), Eastern Canadian Shield Onshore-Offshore Transect (ECSOOT). University of British Columbia, Lithoprobe Secretariat Report, vol. 61, pp. 118-134.
18. Hamilton, M.A., Garde, A.A., Chadwick, B., Swager, C., 1996. Observations on Palaeoproterozoic forearc sedimentation and deformation: preliminary U-Pb results from the Ketilidian orogen, South Greenland. In: Wardle, R.J., Hall, J. (Eds.), Eastern Canadian Shield Onshore-Offshore Transect (ECSOOT). University of British Columbia, Lithoprobe Secretariat Report, vol. 57, pp. 112-122.
19. Harrison, T.N., Reavy, R.J., Finch, A.A., Brown, P.E., 1990. Coexisting mafic and felsic magmas in the early Proterozoic rapakivi granite suite of southern Greenland. Bulletin of the Geological Society of Denmark 38, 53-58.
20. Hutton, D.W.H., Brown, P.E., 2000. Discussion on emplacement of rapakivi granite and syenite by floor depression and roof uplift in the Palaeoprotoerozoic Ketilidian orogen, South Greenland. Journal of the Geological Society (London) 157, 701-702.
21. Hutton, D.W.H., Dempster, T.J., Brown, P.E., Becker, S.M., 1990. A new mechanism of granite emplacement: rapakivi intrusions in active extensional shear zones. Nature 343, 452-454.
22. Jamieson, R.A., Beaumont, C., Fullsack, P., Lee, B., 1998. Barrovian regional metamorphism: where is the heat? In: Treloar, P.J., O'Brien, P.J. (Eds.), What Drives Metamorphism and Metamorphic Reactions? Special Publication - Geological Society of London, vol. 138, pp. 23-51.
23. Keller, R.A., Fisk, M.R., 1992. Quaternary marginal basin volcanism in the Bransfield Strait as a modern analogue of the southern Chilean ophiolites. In: Parson, L.M., Browning, P. (Eds.), Ophiolites and Their Modern Oceanic Analogues. Special Publication - Geological Society of London, vol. 60, pp. 155-169.
24. Keller, R.A., Fisk, M.R., White, W.M., Birkenmajer, K., 1991. Isotopic and trace element constraints on mixing and melting models of marginal basin volcanism, Bransfield Strait, Antarctica. Earth and Planetary Science Letters 111, 287-303.
25. Nakamura, N., 1974. Determination of REE, Ba, Fe, Mg, Na and K in carbonaceous and ordinary chondrites. Geochimica et Cosmochimica Acta 38, 757-775.
26. Norrish, K., Chappell, B.W., 1977. X-ray fluorescence spectrometry. In: Zussman, J. (Ed.), Physical Methods in Determinative Mineralogy. Academic Press, London, pp. 201-272.
27. Patchett, P.J., Bridgwater, D., 1984. Origin of continental crust of 1.9-1.7 Ga age defined by Nd isotopes in the Ketilidian terrain of South Greenland. Contributions to Mineralogy and Petrology 87, 311-318.
28. Pearce, J.A., Parkinson, I.J., 1993. Trace element models for mantle melting: application to volcanic arc petrogenesis. In: Pritchard, H.M. et al. (Eds.), Magmatic Processes and Plate Tectonics. Special Publication - Geological Society of London, vol. 76, pp. 373-403.
29. Rämö, O.T., Haapala, I., 1995. One hundred years of rapakivi granite. Mineralogy and Petrology 52, 129-185.
30. Sandiford, M., Powell, R., 1986. Deep crustal metamorphism during continental extension: modern and ancient examples. Earth and Planetary Science Letters 79, 151-158.
31. Saunders, A.D., Tarney, J., 1984. Geochemical characteristics of basaltic volcanism within back-arc basins. In: Kokelaar, B.P., Howells, M.F. (Eds.), Marginal Basin Geology: Volcanic and Associated Sedimentary and Tectonic Processes in Modern and Ancient Marginal Basins. Special Publication - Geological Society of London, vol. 16, pp. 59-76.
32. Thompson, R.N., 1982. British Tertiary volcanic province. Scottish Journal of Geology 18, 49-107.
33. Van Breemen, O., Aftalion, M., Allart, J.H., 1974. Isotopic and geochronologic studies on granites from the Ketilidian mobile belt of South Greenland. Bulletin of the Geological Society America 85, 403-412.
34. Watterson, J., 1978. Proterozoic intraplate deformation in the light of SE Asian tectonics. Nature 273, 636-640.
35. Weaver, S.D., Saunders, A.D., Pankhurst, R.J., Tarney, J., 1979. A geochemical study of magmatism associated with the initial stages of back-arc spreading. The Quaternary volcanics of Bransfield Srait, from South Shetland Islands. Contributions to Mineralogy and Petrology 68, 151-169.
36. White, W.M., Hofmann, A.W., 1982. Sr and Nd isotope geochemistry of oceanic basalts and mantle evolution. Nature 296, 821-825.
37. Windley, B.F., 1993. Proterozoic anorogenic magmatism and its orogenic connections. Journal of the Geological Society (London) 150, 39-50.
38. Wyllie, P.J., Cox, K.G., Biggar, G.M., 1962. The habit of apatite in synthetic and igneous rocks. Journal of Petrology 3, 238-243.