By Dennis Brown, Paul D. Ryan
Arc-continent collision has been one of many very important tectonic techniques within the formation of mountain belts all through geological time, and it is still so this present day alongside tectonically lively plate barriers resembling these within the SW Pacific or the Caribbean. Arc-continent collision is assumed to were the most vital strategy taken with the expansion of the continental crust over geological time, and should additionally play an immense position in its recycling again into the mantle through subduction. knowing the geological strategies that occur in the course of arc-continent collision is consequently of significance for our figuring out of ways collisional orogens evolve and the way the continental crust grows or is destroyed. additionally, zones of arc-continent collision are manufacturers of a lot of the worlds fundamental fiscal wealth within the kind of minerals, so knowing the approaches that occur in the course of those tectonic occasions is of value in modeling how this mineral wealth is shaped and preserved. This e-book brings jointly seventeen papers which are devoted to the research of the tectonic approaches that occur in the course of arc-continent collision. it's divided into 4 sections that deal to begin with with the most gamers all for any arc-continent collision; the continental margin, the subduction region, and eventually the volcanic arc and its mineral deposits. the second one part provides 8 examples of arc-continent collisions that diversity from being at present lively via to Palaeoproterozoic in age. The 3rd part comprises papers, one who offers with the obduction of large-slab ophiolites and a moment that provides a variety of actual types of arc-continent collision. The fourth part brings every little thing that comes earlier than jointly right into a dialogue of the procedures of arc-continent collision.
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Additional resources for Arc-Continent Collision
Tectonophysics 473: 4–19 Manatschal G, Nievergelt P (1997) A continent-ocean transition recorded in the Err and Platta nappes (eastern Switzerland). Eclogae Geol Helv 90:3–27 Manatschal G, Froitzheim N, Rubenach M, Turrin BD (2001) The role of detachment faulting in the formation of an ocean-continent transition: insights from the Iberia Abyssal Plain. In: Wilson RCL, Whitmarsh RB, Taylor B, Froitzheim N (eds) Non-volcanic rifting of continental margins: a comparison of evidence from land and sea, vol 187.
2009). g. Takahashi et al. 2007, 2009; Kodaira et al. 2006, 2007, 2008). g. Figs. 7 in Calvert 2011; Kodaira et al. 2006; Takahashi et al. 2009). g. Takahashi et al. 2007, 2009; Kodaira et al. 2006, 2007, 2008). Seismic models demonstrate notable velocity variations (Fig. g. Takahashi et al. 2007). In the regions of the maximal thickness (around 20 km, Fig. 1 in Calvert 2011) the oceanic-island-arc crust is composed of a volcanicsedimentary upper crust with velocity of less than 6 km/s, a middle crust with velocity of ~6 km/s, laterally heterogeneous lower crust with velocities of ~7 km/s, and unusually low mantle velocities (Takahashi et al.
Lett. 241: 686-698 20 Manatschal G (2004) New models for evolution of magma-poor rifted margin based on a review of data and concepts from West Iberia and the Alps. Int J Earth Sci 93:432–466 Manatschal G, Muntener O (2009) A type sequence across an ancient magma-poor ocean-continent transition: the example of the western Alpine Tethys ophiolites. Tectonophysics 473: 4–19 Manatschal G, Nievergelt P (1997) A continent-ocean transition recorded in the Err and Platta nappes (eastern Switzerland). Eclogae Geol Helv 90:3–27 Manatschal G, Froitzheim N, Rubenach M, Turrin BD (2001) The role of detachment faulting in the formation of an ocean-continent transition: insights from the Iberia Abyssal Plain.