Generating high Mg-numbers and chemical diversity in tonalite-trondhjemite-granodiorite (TTG) magmas during melting and melt segregation in the continental crust

Journal of Petrology

Volumn 50, Issue 10, 2009, Pages 1935-1954

  Getsinger, Amanda ^a   Rushmer, Tracy ^b   Jackson, Matt D ^c   Baker, Don ^d  

^a UNIVERSITY OF VERMONT   (United States)

^b MACQUARIE UNIVERSITY   (Australia)

^c IMPERIAL COLLEGE LONDON   (United Kingdom)

^d MCGILL UNIVERSITY   (Canada)

Author keywords

Experimental petrology; Melt segregation; Mg numbers; TTG

Indexed keywords

CONTINENTAL CRUST; GRANODIORITE; IGNEOUS GEOCHEMISTRY; ISOTOPIC COMPOSITION; NUMERICAL MODEL; PARTIAL MELTING; RARE EARTH ELEMENT; SOURCE ROCK; TONALITE; TRACE ELEMENT; TRONDHJEMITE;

EID: 70349969974     PISSN: 00223530     EISSN: 14602415     Source Type: Journal    
DOI: 10.1093/petrology/egp060     Document Type: Article

References (44)

1. Annen, C., Blundy, J. D. & Sparks, R. S. J. (2006). The genesis of intermediate and silicic magmas in deep crustal hot zones. Journal of Petrology 47, 505-539.
2. Atherton, M. P. & Petford, N. (1993). Generation of a sodium-rich magma from newly underplated basaltic crust. Nature 362, 144-146.
3. Baker, D. R. (2004). Piston cylinder calibration at 400 to 500MPa: A comparison of using water solubility in albite melt and NaCl melting. American Mineralogist 89, 1553-1556.
4. Barker, F. (1979). Trondhjemites, Dacites and Related Rocks. New York: Elsevier.
5. Clemens, J. D. (2006). Melting of the continental crust: Fluid regimes, melting reactions, and source-rock fertility. In: Brown, M. & Rushmer,T. (eds) Evolution and Differentiation of the Continental Crust. Cambridge: Cambridge University Press, pp. 296-330.
6. Condie, K. (2005). TTGs and adakites: Are they both slab melts? Lithos 80, 33-44.
7. Daczko, N. R., Klepeis, K. A. & Clarke, G. L. (2001). Evidence of Early Cretaceous collisional-style orogenesis in northern Fiordland, New Zealand and its effects on the evolution of the lower crust. Journal of Structural Geology 23, 693-713.
8. Davidson, J. P. & Arculus, R. J. (2006). The significance of Phanerozoic arc magmatism in generating continental crust. In: Brown, M. & Rushmer, T. (eds) Evolution and Differentiation of the Continental Crust. Cambridge: Cambridge University Press, pp. 135-172.
9. Drummond, M. S. & Defant, M. J. (1990). A model for trondhjemite-tonalite-dacite genesis and crustal growth via slab melting: Archean to modern comparisons. Journal of Geophysical Research 95, 21503-21521.
10. Drummond, M. S., Defant, M. J. & Kepezhinskas, P. K. (1996). Petrogenesis of slab-derived trondhjemites-tonalite-dacite/adakite magmas. Transactions of the Royal Society of Edinburgh: Earth Sciences 87, 205-215.
11. Foley, S. F., Buhre, S. & Jacob, D. E. (2003). Evolution of the Archean crust by delamination and shallow subduction. Nature 421, 249-252.
12. Hollis, J. A., Clarke, G. L., Klepeis, K. A., Daczko, N. R. & Ireland, T. R. (2003). Geochronology and geochemistry of high-pressure granulites of the Arthur River Complex, Fiordland, New Zealand: Cretaceous magmatism and metamorphism on the paleo-Pacific Margin. Journal of Metamorphic Petrology 21, 299-313.
13. Jackson, M. D., Cheadle, M. J. & Atherton, M. P. (2003). Quantitative modeling of granitic melt generation and segregation in the continental crust. Journal of Geophysical Research 108, 2332-53.
14. Jackson, M. D., Gallagher, K., Petford, N. & Cheadle, M. J. (2005). Towards a coupled physical and chemical model for tonalite-trondhjemite-granodiorite magma formation. Lithos 79 43-60.
15. Kamber, B. S., Ewart, A., Collerson, K. D., Bruce, M. C. & McDonald, G. D. (2002). Fluid-mobile trace element constraints on the role of slab melting and implications for Archaean crustal growth models. Contributions to Mineralogy and Petrology 144, 38-56.
16. Kimbrough, D. L., Tulloch, A. J., Geary, E., Coombs, D. S. & Landis, C. A. (1993). Isotope ages from the Nelson region of South Island, New Zealand: Structure and definition of the Median Tectonic Zone. Tectonophysics 225, 433-448.
17. Kimbrough, D. L., Tulloch, A. J., Coombs, D. S., Landis, C. A., Johnston, M. R. & Mattinson, J. M. (1994). Uranium-lead zircon ages from the Median Tectonic Zone, New Zealand. New Zealand Journal of Geology and Geophysics 37, 393-419.
18. Kinzler, R. J. (1997). Melting of mantle peridotite at pressures approaching the spinel to garnet transition: Application to midocean ridge basalt petrogenesis. Journal of Geophysical Research 102 (B1), 853-874.
19. Kinzler, R. J. & Grove, T. L. (1992). Primary magmas of mid-oceanic basalts 2: Applications. Journal of Geophysical Research 97, 6907-6926.
20. Klepeis, K. A., Clarke, G. L., Gehrels, G. & Vervoort, J. (2004). Processes controlling vertical coupling and decoupling between the upper and lower crust of orogens: Results from Fiordland, New Zealand. Journal of Structural Geology 26(4), 765-791.
21. Kushiro, I. (2001). Partial melting experiments on peridotite and origin of mid-oceanic ridge basalt. Annual Review of Earth and Planetary Sciences 29, 71-107.
22. Marcotte, S. B., Klepeis, K. A., Clarke, G. L., Gehrels, G. & Hollis, J. A. (2005). Intra-arc transpression in the lower crust and its relationship to magmatism in a Mesozoic magmatic arc. Tectonophysics 407, 135-163.
23. Martin, H. (1999). Adakitic magmas: Modern analogues of Archean granitoids. Lithos 46, 411-429.
24. Martin, H. & Moyen, J.-F. (2002). Secular changes in tonalite-trondhjemite-granodiorite composition as markers of the progressive cooling of Earth. Geology 30, 319-322.
25. Martin, H., Smithies, R. H., Rapp, R., Moyen, J.-F. & Champion, D. (2005). An overview of adakite, tonalite-trondhjemite-granodiorite (TTG), and sanukitoid: Relationships and some implications for crustal evolution. Lithos 79, 1-24.
26. Muir, R. J.,Weaver, S. D., Bradshaw, J. D., Eby, G. N. & Evans, J. A. (1995). The Cretaceous Separation Point batholith, New Zealand: granitoid magmas formed by melting of mafic lithosphere. Journal of the Geological Society, London 152, 689-701.
27. Muir, R. J., Ireland,T. R.,Weaver, S. D., Bradshaw, J. D., Evans, J. A., Eby, G. N. & Shelly, D. (1998). Geochronology and geochemistry of a Mesozoic magmatic arc system, Fiordland, New Zealand. Journal of the Geological Society, London 155, 1037-1053.
28. Nathan, S., Thurlow, C, Warnes, P. & Zucchetto, R. (2000). Geochronology database for New Zealand rocks (2nd edition): 1961-1999. Institute of Geological and Nuclear Sciences Report 2000/11, 51 pp.
29. Petford, N. & Atherton, M. (1996). Na-rich partial melts from newly underplated basaltic crust: The Cordillera Blanca batholith, Peru. Journal of Petrology 37, 1491-1521.
30. Price, R. P.W. (2005). Testing the partial melting of a basaltic underplate: Origin of Cretaceous granitoids in Fiordland, New Zealand. M.Sc. thesis, University of Vermont, Burlington, 101 pp.
31. Rapp, R. P. & Watson, E. B. (1995). Dehydration melting of metabasalt at 8-32 kbar: Implications for continental growth and crust-mantle recycling. Journal of Petrology 36, 891-931.
32. Rapp, R. P., Watson, E. B. & Miller, C. F. (1991). Partial melting of amphibolite/eclogite and the origin of Archean trondhjemites and tonalites. Precambrian Research 51, 1-25.
33. Rapp, R. P., Shimizu, N., Norman, M. D. & Applegate, G. S. (1999). Reaction between slab-derived melts and peridotite in the mantle wedge: experimental constraints at 3.8 GPa. Chemical Geology 160, 335-356.
34. Rasband, W. S. (2007). ImageJ. Bethesda, MD: US National Institutes of Health. Available from: http://rsb.info.nih.gov/ij/.
35. Rollinson, H. (2005). Geodynamic controls on adakite, TTG and sanukitoid genesis: Implications for models of crust formation (introduction to special issue). Lithos 79, ix-xii.
36. Rudnick, R. L. (1995). Making continental crust. Nature 378, 571-578.
37. Rushmer, T. (1991). Partial melting of two amphibolites: Contrasting results under fluid-absent conditions. Contributions to Mineralogy and Petrology 107, 41-59.
38. Rushmer, T. & Jackson, M. (2009). Impact of melt segregation on TTG genesis. Transactions of the Royal Society of Edinburgh: Earth Sciences, 97, 325-336.
39. Smithies, R. H. (2000). The Archean tonalite-trondhjemite-granodiorite (TTG) series is not an analogue of Cenezoic adakite. Earth and Planetary Science Letters 182, 115-125.
40. Smithies, R. H., Champion, D. C. & Cassidy, K. F. (2003). Formation of Earth's early Archaean continental crust. Precambrian Research 127, 89-101.
41. Tulloch, A. J. & Kimbrough, D. L. (2008). Paired plutonic belts in convergent margins and the development of high Sr/Y magmatism: Peninsular Ranges batholith of Baja-California and Median batholith of New Zealand. Geological Society of America, Special Papers 374, 1-21.
42. Tulloch, A. J. & Rabone, S. D.C. (1993).Mo-bearing granodiorite porphyry plutons of the Early Cretaceous Separation Point Suite, west Nelson, New Zealand. New Zealand Journal of Geology and Geophysics 36, 401-408.
43. Wandres, A. M.,Weaver, S. D., Shelley, D. & Bradshaw, J. D. (1998). Change from calc-alkaline to adakitic magmatism recorded in the Early Cretaceous Darran Complex, Fiordland, New Zealand. New ZealandJournal of Geology and Geophysics 41, 1-14.
44. Winther,T. K. (1996). An experimentally based model for the origin of tonalitic and trondhjemitic melts. Chemical Geology 127, 43-59.