Abstract
Temporal variations in the buoyancy of subducting lithosphere exert a fi rst-order control on subduction rate, slab dip and the position of the associated volcanic arc. We use a semi-analytic, three-dimensional subduction model to simulate “unforced” subduction, in which trench motion is driven solely by slab buoyancy. Model rates of subduction and model slab dip respond almost immediately to changes in the buoyancy of the subducting lithosphere entering the trench; as more buoyant slab segments correlate with slower subduction rates and steeper slab dip. The results are largely consistent with observations from the Banda and southern Apennine subduction systems, where subduction slowed and ended shortly after the entry of continental lithosphere into the trench. Over a 2 m.y. period, model subduction rates decrease from ̃70 mm/year to ̃30 mm/year for the Banda Arc, and from ̃40 mm/ year to ̃20 mm/year for the Apennine Arc. Increases in model slab dip and decreases in arc-trench distance are likewise consistent with hypocenter locations and volcanic arc position along the Banda and Sunda arcs. In contrast, a time period of ̃10 m.y. is needed for model subduction rates to slow to near zero, much longer than the ̃3 m.y. upper bound on the observed slowing and cessation of trench motion in the Apennine and Banda systems. One possible explanation is that slab break-off, or the formation of large slab windows, occurred during the last stages of subduction, eliminating toroidal fl ow around the slab and allowing the slab to steepen rapidly into its final position
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References
Bellahsen, N., Faccenna, C., and Funiciello, F., 2005, Dynamics of subduction and plate motion in laboratory experiments: Insights into the “plate tectonics” behavior of the Earth, J. Geophys. Res., 110, doi:10.1029/2004JB002999.
Billen, M.I. and Hirth, G., 2007, Rheologic Controls on Slab Dynamics, Geochem. Geophys. Geosyst. (G3), 8, Q08012, doi:101029/2007GC001597.
Buiter, S.J.H., Wortel, M.J.R., and Govers, R., 1998, The role of subduction in the evolution of the Apennines foreland basin, Tectonophysics, 296, 249–268.
Buiter, S.J.H., Govers, R., and Wortel, M.J.R., 2002, Twodimensional simulations of surface deformation caused by slab detachment, Tectonophysics, 354, 195–210.
Capitanio, F.A., Morra, G., Goes, S., 2007, Dynamic models of downgoing-plate buoyancy driven subduction: Subduction motions and energy dissipation, Earth Planet. Sci. Lett., 262, 284–297.
Chapple, W.M., and Tullis, T.E., 1977, Evaluation of the forces that drive the plates, J. Geophys. Res., 82, 1967–1984.
Charlton, T.R., 2000, Tertiary evolution of the Eastern Indonesia collision complex, J. Asian Earth Sci., 18, 603–631.
Conrad, C.P., and Lithgow-Bertelloni, C., 2004, The temporal evolution of plate driving forces: Importance of “slab suction” versus “slab pull” during the Cenozoic, J. Geophys. Res., 109, doi:10.1029/2004JB002991.
Daly, M.C., Cooper, M.A., Wilson, I., Smith, D.G. and Hooper, B.G.D., 1991, Cenozoic plate tectonics and basin evolution in Indonesia, Mar. Pet. Geol., 8, 2–21.
Das, S., 2004, Seismicity gaps and the shape of the seismic zone in the Banda Sea region from relocated hypocenters, J. Geophys. Res., 109, doi:10.1029/2004JB003192.
Doglioni, C., Harabaglia, P., Merlini, S., Mongelli, F., Peccerillo, A., and Piromallo, C., 1999, Orogens and slabs versus their direction of subduction, Earth Sci. Rev., 45, 167–208.
Elburg, M.A., van Bergen, M.J., and Foden, J.D., 2004, Subducted upper and lower continental crust contributes to magmatism in the collision sector of the Sunda-Banda Arc, Indonesia, Geol. Soc. Am., 32, 41–44.
Faccenna, C., Mattei, N., Funiciello, R., and Jolivet, L., 1997, Styles of back-arc extension in the Central Mediterranean, Terra Nova, 9, 126–130.
Faccenna, C., Becker, T.W., Lucente, F.P., Jolivet, L., and Rossetti, F., 2001, History of subduction and back-arc extension in the central Mediterranean, Geophys. J. Int., 145, 809–820.
Faccenna, C., Jolivet, L., Piromallo, C., and Morelli, A., 2003, Subduction and the depth of convection in the Mediterranean mantle, J. Geophys Res., 108, doi:10.1029/2001JB001690.
Forsyth, D. and Uyeda, S., 1975, On the relative importance of the driving forces of plate motion, Geophys. J.R. Astr. Soc., 43, 163–200.
Funiciello, F., Faccenna, C., Giardini, D., and Regenauer-Lieb, K., 2003, Dynamics of retreating slabs: 2. Insights from three-dimensional laboratory experiments, J. Geophys. Res., 108, 2207, doi:10.1029/2001JB000896.
Garfunkel, C., Anderson, A., and Schubert, G., 1986, Mantle circulation and the lateral migration of subducted slab, J. Geophys. Res., 91, 7205–7223.
Gordon, R.G., and Jurdy, D.M., 1986, Cenozoic global plate motions, J. Geophys. Res., 91, 12389–12406.
Gutscher, M.-A., Olivet, J.-L., Aslanian, D., Eissen, J.-P., and Maury, R., 1999, The “lost Inca plateau”: Cause of flat subduction beneath Peru?, Earth Planet. Sci. Lett., 171, 335–341.
Hall, R., 1996, Reconstructing Cenozoic SE Asia, in Hall, R., and Blundell, D., eds., Tectonic Evolution of SE Asia: Geol. Soc. Lond. Spec. Pub., 106, p. 203–224.
Hassani, R., Jongmans, D., and Chéry, J., 1997, Study of plate deformation and stress in subduction processes using two-dimensional numerical models. J. Geophys. Res., 102, 17951–17965.
Heuret, A., and Lallemand, S., 2005, Plate motions, slab dynamics and back-arc deformation, Phys. Earth Planet. Int., 149, 31–51.
Hinschberger, F., Malod, J.A., Réhault, J.P., Villeneuve, M., Royer, J.Y., Burhanuddin, S., 2000, Late Cenozoic geodynamic evolution of eastern Indonesia, Tectonophysics, 404, 91–118.
Hughes, B.D., Baxter, K., Clark, R.A., and Snyder, D.B., 1996, Detailed processing of seismic reflection data from the frontal part of the Timor trough accretionary wedge, eastern Indonesia, in Hall, R., and Blundell, D., eds., Tectonic Evolution of SE Asia: Geol. Soc. Lond. Spec. Pub., 106, 75–83.
Jarrard, R.D., 1986, Relations among subduction parameters, Rev. Geophys., 24, 217–284.
Jolivet, L. and Faccenna, F., 2000, Mediteranean extension and the Africa-Eurasia collision, Tectonics, 19, 1095–1106.
Kincaid, C., and Olson, P., 1987, An experimental study of subduction and slab migration, J. Geophys. Res., 92, 13, 832–13,840.
Kreemer, C., Holt, W.E., Goes, S., and Govers, R., 2000, Active deformation in eastern Indonesia and the Philippines from GPS and seismicity data, J. Geophys. Res., 105, 663–680.
Lallemand, S., Heuret, A., and Boutelier, D., 2005, On the relationship between slab dip, back-arc stress, upper plate absolute motion, and crustal nature in subduction zones, Geochem. Geophys. Geosyst., 6, Q09006, doi:10.1029/2005GC000917.
Lucente, F.P., Hiarabba, C.C., and Imini, G.C., 1999, Tomographic constraints on the geodynamic evolution of the Italian region, J. Geophys. Res., 104(B9), 20307–20327.
Luyendyk, B.P., 1970, Dips of downgoing lithospheric plates beneath island arcs, Geol. Soc. Am. Bull., 81, 3411–3416.
Malinverno, A., and Ryan, W., 1986, Extension in the Tyrrhenian sea and shortening in the Apennines as result of arc migration driven by sinking of the lithosphere, Tectonics, 5, 227–245.
Martinod, J., Funiciello, F., Faccenna, C., Labanieh, S., and Regard, V. , 2005, Dynamical effects of subducting ridges: Insights from 3-D laboratory models, Geophys. J. Int., 163, 1137–1150.
Morra, G., Regenauer-Lieb, K., and Giradini, D., 2006, Curvature of oceanic arcs, Geology, 34, 877–880.
Patacca, E., Sartori, R. and Scandone, P., 1990, Tyrhennian basin and Apenninic arcs: Kinematic relations since late Tortonian times, Mem. Soc. Geol. Ital., 45, 425–451.
Piromallo, C., and Morelli, P., 2002, P-wave tomography of the mantle under the Alpine-Mediterranean area, J. Geophys. Res., 108, doi:10.1029/2002JB001757.
Ranalli, G., Pellegrini, R., and d'Affizi, S., 2000, Timedependence of negative buoyancy and the subduction of continental lithosphere, J. Geodyn., 30, 539–555.
Rangin, C., Jolivet, L., and Pubellier, M., 1990, A simple model for the tectonic evolution of southeast Asia and Indonesian region for the past 43 My, Bull. Geol. Soc. France 8, 889–905.
Regard, V., Faccenna, C., Martinod, J., Bellier, O., and Thomas, J.C., 2003, From subduction to collision: Control of deep processes on the evolution of convergent plate boundary, J. Geophys. Res., 108, doi:10.1029/2002JB001943.
Richardson, A.N., and Blundell, D.J. 1996, Continental collision in the Banda Arc. in Hall, R., and Blundell, D., eds., Tectonic Evolution of SE Asia: Geol. Soc. Lond. Spec. Pub., 106, p. 47–60.
Royden, L.H., and Husson, L., 2006, Trench motion, slab geometry and viscous stresses in subduction systems, Geoph. J. Int., doi: 10.1111/j.1365-246X.2006.03079.x.
Royden, L.H., 1993a, The tectonic expression of slab pull at continental convergent boundaries, Tectonics, 12, 303–325.
Royden, L.H., 1993b, Evolution of retreating subduction boundaries formed during continental collision, Tectonics, 12, 629–638.
Sambridge, M., and Gudmundsson, O., 1998, Tomography with irregular cells, J. Geophys. Res., 103, 773–781.
Schellart, W.P., 2004, Kinematics of subduction and subductioninduced flow in the upper mantle, J. Geophys. Res., 109, B07401, doi:10.1029/2004JB002970.
Schellart, W.P., 2005. Influence of the subducting plate velocity on the geometry of the slab and migration of the subduction hinge, Earth Planet. Sci. Lett., 231, 197–219.
Schoffel, H.-J. and Das, S., 1999, Fine details of the Wadati-Benioff zone under Indonesia and its geodynamic implications, J. Geophys. Res., 104, 13,101–13,114.
Stegman, D.R., Freeman, J., Schellart, W.P., Moresi, L., and May, D., 2006, Influence of trench width on subduction hinge retreat rates in 3-D models of slab rollback, Geochem. Geophys. Geosyst., 7, Q03012, doi:10.1029/2005GC001056.
van Hunen, J., van den Berg, A.P., and Vlaar, N.J., 2004, Various mechanisms to induce shallow flat subduction: A numerical parameter study, Phys. Earth Planet. Int., 146, 179–194.
Wortel, M.J.R., and Spakman, W., 2000, Subduction and slab detachment in the Mediterranean-Carpathian region, Science, 290, 1910–1917.
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Royden, L.H., Husson, L. (2009). Subduction with Variations in Slab Buoyancy: Models and Application to the Banda and Apennine Systems. In: Lallemand, S., Funiciello, F. (eds) Subduction Zone Geodynamics. Frontiers in Earth Sciences. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-87974-9_2
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