Arc magma compositions controlled by linked thermal and chemical gradients above the subducting slab

Geophysical Research Letters

Volumn 40, Issue 11, 2013, Pages 2550-2556

  Watt, Sebastian F L ^a   Pyle, David M ^b   Mather, Tamsin A ^b   Naranjo, José A ^c  

^a UNIVERSITY OF SOUTHAMPTON   (United Kingdom)

^b UNIVERSITY OF OXFORD   (United Kingdom)

^c SERVICIO NACIONAL DE GEOLOGÍA Y MINERÍA   (Chile)

Author keywords

Arc magma generation; Chile; Picrite; Primary melt; Primitive magma; Scoria cone

Indexed keywords

ARC MAGMAS; CHILE; PICRITE; PRIMITIVE MAGMA; SCORIA CONE;

ATMOSPHERIC TEMPERATURE; SURFACE PROPERTIES;

COMPUTER SIMULATION;

GEOTHERMOMETRY; MAGMA CHEMISTRY; MAGMATISM; MELTING; PICRITE; SLAB; SUBDUCTION ZONE; VOLCANIC ROCK;

CHILE;

EID: 84879967746     PISSN: 00948276     EISSN: 19448007     Source Type: Journal    
DOI: 10.1002/grl.50513     Document Type: Article

References (33)

1. Behn, M. D., P. B. Kelemen, G. Hirth, B. R. Hacker, and, H. Massonne, (2011), Diapirs as the source of the sediment signature in arc lavas, Nat. Geosci., 4, 641-646, doi: 10.1038/ngeo1214.
2. 2O/Ce: 1. Slab surface temperatures beneath volcanic arcs, Geochem. Geophys. Geosyst., 13, Q03024, doi: 10.1029/2011GC003902.
3. Danyushevsky, L. V., and, P. Plechov, (2011), Petrolog3: Integrated software for modeling crystallization processes, Geochem. Geophys. Geosyst., 12, Q07021, doi: 10.1029/2011GC003516.
4. Duggen, S., M. Portnyagin, J. Baker, D. Ulfbeck, K. Hoernle, D. Garbe-Schönberg, and, N. Grassineau, (2007), Drastic shift in lava geochemistry in the volcanic-front to rear-arc region of the Southern Kamchatkan subduction zone: Evidence for the transition from slab surface dehydration to sediment melting, Geochim. Cosmochim. Acta, 71, 452-480, doi: 10.1016/j.gca.2006.09.018.
5. England, P. C., and, R. F. Katz, (2010), Melting above the anhydrous solidus controls the location of volcanic arcs, Nature, 467, 700-703, doi: 10.1038/nature09417.
6. 2+, Ca and Mn, J. Petrol., 24, 256-266.
7. Hermann, J., and, D. Rubatto, (2009), Accessory phase control on the trace element signature of sediment melts in subduction zones, Chem. Geol., 265, 512-526, doi: 10.1016/j.chemgeo.2009.05.018.
8. Hermann, J., and, C. J. Spandler, (2008), Sediment melts at sub-arc depths: An experimental study, J. Petrol., 49, 717-740, doi: 10.1093/petrology/egm073.
9. Hirschmann, M. M., (2000), Mantle solidus: Experimental constraints and the effects of peridotite composition, Geochem. Geophys. Geosyst., 1, 2000GC000070.
10. 2O from subducting slabs worldwide, J. Geophys. Res., 116, B01401, doi: 10.1029/2010JB007922, 2011.
11. Kelley, K. A., T. Plank, T. L. Grove, E. M. Stolper, S. Newman, and, E. Hauri, (2006), Mantle melting as a function of water content beneath back-arc basins, J. Geophys. Res., 111, B09208, doi: 10.1029/2005JB003732.
12. Kelley, K. A., T. Plank, S. Newman, E. M. Stolper, T. L. Grove, S. Parman, and, E. H. Hauri, (2010), Mantle melting as a function of water content beneath the Mariana arc, J. Petrol., 51, 1711-1738, doi: 10.1093/petrology/ egq036.
13. Kerrick, D. M., and, J. A. D. Connolly, (2001), Metamorphic devolatilisation of subducted marine sediments and the transport of volatiles into the Earth's mantle, Nature, 411, 293-296.
14. Lange, D., J. Cembrano, A. Rietbrock, C. Haberland, T. Dahm, and, K. Bataille, (2008), First seismic record for intra-arc strike-slop tectonics along the Liquiñe-Ofqui fault zone at the obliquely convergent plate margin of the southern Andes, Tectonophysics, 455, 14-24, doi: 10.1016/j.tecto.2008.04. 014.
15. Lee, C. A., P. Luffi, T. Plank, H. Dalton, and, W. P. Leeman, (2009), Constraints on the depths and temperatures of basaltic magma generation on Earth and other terrestrial planets using new thermobarometers for mafic magmas, Earth Planet Sci. Lett., 279, 20-33, doi: 10.1016/j.epsl.2008.12.020.
16. Lloyd, A. S., T. Plank, P. Ruprecht, E. H. Hauri, and, W. Rose, (2013), Volatile loss from melt inclusions in pyroclasts of differing sizes, Contrib. Mineral. Petrol., 165, 129-153, doi: 10.1007/s00410-012-0800-2.
17. Marschall, H. R., and, J. C. Schumacher, (2012), Arc magmas sourced from mélange diapirs in subduction zones, Nat. Geosci., 5, 862-867, doi: 10.1038/ngeo1634.
18. Nichols, A. R. L., R. J. Wysoczanski, K. Tani, Y. Tamura, J. A. Baker, and, Y. Tatsumi, (2012), Melt inclusions reveal geochemical cross-arc variations and diversity within magma chambers feeding the Higashi-Izu Monogenetic Volcanic Field, Izu Peninsula, Japan, Geochem. Geophys. Geosyst., 13, Q09012, doi: 10.1029/2012GC004222.
19. Plank, T., L. B. Cooper, and, C. E. Manning, (2009), Emerging geothermometers for estimating slab surface temperatures, Nat. Geosci., 2, 611-615, doi: 10.1038/ngeo614.
20. 2O, S, Cl, F) and trace elements in melt inclusions from the Kamchatka Arc, Earth Planet Sci. Lett., 255, 53-69, doi: 10.1016/j.epsl.2006.12.005.
21. 2O/Ce: 2. Relationships to arc magma geochemistry and volatile fluxes, Geochem. Geophys. Geosyst., 13, Q03025, doi: 10.1029/2011GC003887.
22. Salters, V. J. M., and, A. Stracke, (2004), Composition of the depleted mantle, Geochem. Geophys. Geosyst., 5, Q05B07, doi: 10.1029/2003GC000597.
23. Schmidt, M. W., and, S. Poli, (1998), Experimentally based water budgets for dehydrating slabs and consequences for arc magma generation, Earth Planet Sci. Lett., 163, 361-379.
24. Skora, S., and, J. Blundy, (2010), High-pressure hydrous phase relations of radiolarian clay and implications for the involvement of subducted sediment in arc magmatism, J. Petrol., 51, 2211-2243, doi: 10.1093/petrology/egq054.
25. Stolper, E., and, S. Newman, (1994), The role of water in the petrogenesis of Mariana trough magmas, Earth Planet Sci. Lett., 121, 293-325.
26. Syracuse, E. M., P. E. van Keken, and, G. A. Abers, (2010), The global range of subduction zone thermal models, Phys. Earth Planet Inter., 183, 73-90, doi: 10.1016/j.pepi.2010.02.004.
27. Tašárová, Z. A., (2007), Towards understanding the lithospheric structure of the southern Chilean subduction zone (36°S-42°S) and its role in the gravity field, Geophys. J. Int., 170, 995-1014, doi: 10.1111/j.1365-246X.2007.03466.X.
28. Tassara, A., H. J. Götze, S. Schmidt, and, R. Hackney, (2006), Three-dimensional density model of the Nazca plate and the Andean continental margin, J. Geophys. Res., 111, B09404, doi: 10.1029/2005JB003976.
29. Vigouroux, N., P. J. Wallace, G. Williams-Jones, K. Kelley, A. J. R. Kent, and, A. E. Williams-Jones, (2012), The sources of volatile and fluid-mobile elements in the Sunda arc: A melt inclusion study from Kawah Ijen and Tambora volcanoes, Indonesia, Geochem. Geophys. Geosyst., 13, Q09015, doi: 10.1029/2012GC004192.
30. Wada, I., and, K. Wang, (2009) Common depth of slab-mantle decoupling: Reconciling diversity and uniformity of subduction zones, Geochem. Geophys. Geosyst., 10, Q10009, doi: 10.1029/2009GC002570.
31. Watt, S. F. L., D. M. Pyle, and, T. A. Mather, (2011a), Geology, petrology and geochemistry of the dome complex of Huequi volcano, southern Chile, Andean Geol., 38, 335-348, doi: 10.5027/andgeoV38n2-a05.
32. Watt, S. F. L., D. M. Pyle, J. A. Naranjo, G. Rosqvist, M. Mella, T. A. Mather, and, H. Moreno, (2011b), Holocene tephrochronology of the Hualaihue region (Andean southern volcanic zone, ∼42° S), southern Chile, Quat. Int., 246, 324-343, doi: 10.1016/j.quaint.2011.05.029.
33. Wood, B. J., and, S. P. Turner, (2009), Origin of primitive high-Mg andesite: Constraints from natural examples and experiments, Earth Planet Sci. Lett., 283, 59-66, doi: 10.1016/j.epsl.2009.03.032.