Structure and evolution of the Magnitogorsk forearc basin: identifying upper crustal processes during arc-continent collision in the southern Urals

Article Abstract:

Research into the structure and evolution of the Magnitogorsk forearc in the southern Urals is presented. This volcanic arc can be divided into the Irendyk and east Magnitogorsk volcanic fronts. These were active during intraoceanic island arc creation and during arc-continent collision respectively.

Island arcs, Magnitogorsk, Russia

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Geometric and kinematic evolution of the foreland thrust and fold belt in the southern Urals

Article Abstract:

New structural mapping the southern Urals of bashkortostan is presented. The first balanced and restored cross section through the foreland thrust and fold belt from the allochthonous Zilair Nappe over the paleozoic platform provides information on the structure and kinematic evolution and gives quantitative estimates of fault displacement and shortening.

Thrust faults (Geology), Thrust faults

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Crustal-scale structure and evolution of an arc-continent collision zone in the southern Urals, Russia

Article Abstract:

Three reflection seismic profiles have been combined with outcropping field geology to examine the crustal-scale structure and evolution of an arc-continent collision zone in southern Urals, Russia. Results reveal that the accretionary complex is very reflective and that it is a thrust stack made of subducted continental shelf and rise material. Results also show that arc erosion, uplift and collision is associated with Late Devonian volcaniclastic sediment deposits of the Zilair formation.

Usage, Earth, Crust (Geology), Seismic reflection method, Seismic reflection surveying, Continents

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