Emplacement of rapakivi granite and syenite by floor depression and roof uplift in the Palaeoproterozoic Ketilidian orogen, South Greenland

Journal of the Geological Society

Volumn 156, Issue 1, 1999, Pages 15-24

  Grocott, J ^a   Garde, A A ^b   Chadwick, B ^c   Cruden, A R ^d   Swager, C ^e  

^a KINGSTON UNIVERSITY   (United Kingdom)

^b Geol Surv of Denmark and Greenland ^*  (United Kingdom)

^c UNIVERSITY OF EXETER   (United Kingdom)

^d UNIVERSITY OF TORONTO   (Canada)

^e North Ltd Exploration Division   (Australia)

Author keywords

Emplacement mechanisms; Greenland; Ketilidian; Rapakivi granite

Indexed keywords

EMPLACEMENT; GRANITE; PROTEROZOIC; RAPAKIVI; SYENITE;

GREENLAND;

EID: 0032921422     PISSN: 00167649     EISSN: None     Source Type: Journal    
DOI: 10.1144/gsjgs.156.1.0015     Document Type: Article

References (36)

1. ALLAART, J.H. 1976. The Ketilidian mobile belt in South Greenland. In: ESCHER, A. & WATT, W. S. (eds) Geology of Greenland, Grønlands Geologiske Undersøgelse, Copenhagen, 121-151.
2. BATEMAN, R. 1984. On the role of diapirism in the segregation, ascent and final emplacement of granitoids. Tectonophysics, 10, 211-231.
3. BECKER, S.M. & BROWN, P.F. 1985. Sloping versus ductile deformation in the emplacement of the rapakivi intrusion of Qernertoq. South Greenland. Bulletin of the Geological Society of Denmark, 33, 363-370.
4. BRIDGWATER, D. 1963. A review of the Sydprøven granite and other "new granites" of South Greenland. Meddelelser fra Dansk Geologisk Forening, 15, 167-182.
5. _, SUTTON, J. & WATTERSON, J. 1974. Crustal downfolding associated with igneous activity. Tectonophysics, 21, 57-77.
6. BROWN, P.E., DEMPSTER, T.J., HARRISON, T.J. & HUTTON, D.H.W. 1992. The rapakivi granites of S Greenland - crustal melting in response to extensional tectonics and magmatic underplating. Transactions of the Royal Society of Edinburgh, 83, 173-178.
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. Geological Society, London, Special Publications, 122, 179-196.
8. _, _, GROCOTT, J. & SWAGER, C. 1997. Batholith-Forearc structure in the Palaeoproterozoic Ketilidian orogen, South-East Greenland. In WARDLE, R.J. & HALL, J. (eds) Eastern Canadian Shield Onshore-Offshore Transect (ECSOOT). University of British Columbia, Lithoprobe Secretariat Report, in press.
9. CLEMENS, J.D., PETFORD, N. & MAWER, C.K. 1997. Ascent mechanisms of granitic magmas: causes and consequences. In: HOLNESS, M.B. (ed.) Deformation enhanced fluid transport in the Earth's crust and mantle. Mineralogical Society Special Series, 9, 145-172.
10. CRUDEN, A.R. 1998. On the emplacement of tabular granites. Journal of the Geological Society, London, 154, 853-862.
11. DELANEY, P.T., POLLARD, D.P., ZIONY, J.I. & MCKEE, E.H. 1986. Field relations between dikes and Joints: emplacement processes and paleostress analysis. Journal of Geophysical Research, 91, 4920-4938.
12. ENGLAND, R.W. 1992. The genesis, ascent and emplacement of the Northern Arran Granite: implications for granitic diapirism. Geological Society of America Bulletin, 104, 606-614.
13. GARDE, A.A. & CHADWICK, B. 1996. Geological map of Greenland 1:100,000: 60 V.3 Nord, Søndre Sermilik. Geological Survey of Denmark and Greenland, Copenhagen.
14. _, _, GROCOTT, J. & SWAGER, C. 1997a. Metasedimentary rocks, intrusions and deformation history in the south-east part of the c. 1800 Ma Ketilidian orogen, South-East Greenland. Geology of Greenland Survey Bulletin, 176, 60-65.
15. _, GROCOTT, J. & CRUDEN, A.R. 1997b. Rapakivi granite emplacement in 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, 61, 92-99
16. GLAZNER, A.F. 1991. Plutonism, oblique subduction and continental growth: an example from the Mesozoic of California. Geology, 19, 784-786.
17. GROCOTT, J., BROWN, M., DALLMEYER, R.D., TAYLOR, G.K. & TRELOAR, P.J. 1994. Mechanisms of continental growth in extensional ares: an example from the Andean plate-boundary zone. Geology, 22, 391-394.
18. 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") and gneisses from South Greenland. Geochimica et Cosmochimica Acta, 39, 65-82.
19. 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, 61, 118-134.
20. _, 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, 57, 112-122.
21. HUTTON, D.H.W. 1988. Granite emplacement mechanisms and tectonic controls: inferences from deformation studies. Transactions Royal Society of Edinburgh, 79, 245-255.
22. _ 1996. The 'space problem' in the emplacement of granite. Episodes, 19, 114-119.
23. _ & REAVY, R.S. 1992. Strike-slip tectonics and granite petrogenesis. Tectonics, 11, 960-967.
24. _, 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.
25. JACKSON, M.D. & POLLARD, D.D. 1988. Mechanics of growth of some laccolithic intrusions in the Henry Mountains, Utah, I. Field observations, Gilbert's model, physical properties and flow of the magma. Tectonophysics, 18, 261-309.
26. KALSBEEK, F., LARSEN, L.M. & BONDAM, J. 1990. Descriptive text to 1:500,000 Geological Map of Greenland, Sheet I, Sydgronland. Grønlands Geologiske Undersøgelse, Copenhagen.
27. MCCAFFREY, K.J.W. & PETFORD, N. 1997. Are granitic intrusions scale invariant? Journal of the Geological Society, London, 154, 1-4.
28. MOLYNEUX, S.J. 1997. Processes of granite emplacement. PhD thesis, University of Durham, UK.
29. PETFORD, N. 1996. Dykes or diapirs? Transactions of the Royal Society of Edinburgh: Earth Sciences, 87, 105-114.
30. _, KERR, R.C. & LISTER, J.R. 1993. Dike transport model for transport of granitoid magmas. Geology, 21, 845-848.
31. RAMSAY, J.G. & HUBER, M.I. 1987. The Techniques of Modern Structural Geology, Volume 2: Folds and Fractures. John Wiley & Sons.
32. SKARMETA, J.J. & CASTELLI, J.C. 1997. Intrusion sintectónica del granito de las Torres del Paine, Andes patagónicos de Chile. Revista Geologica de Chile, 24, 55-74.
33. SCHWERDTNER, W.M. 1995. Local displacement of diapir contacts and its importance to pluton emplacement study. Journal of Structural Geology. 17, 907-910.
34. TIKOFF, B. & TEYSSIER, C. 1992. Crustal-scale, en échelon "P-shear" tensional bridges: a possible solution to the batholithic space problem. Geology, 20, 927-930.
35. VAN BREEMEN, O., AFTALION, M. & ALEART, J.H. 1974. Isotopic and geochronologic studies on granites from the Ketilidian mobile belt of South Greenland. Geological Society of America Bulletin, 85, 403-412.
36. WINDLEY, B.F. 1993. Proterozoic anorogenic magmatism and its orogenic connections. Journal of the Geological Society, London, 150, 39-50.