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The Kuşçular formation (early Paleocene) around Baskil and Keban (Elaziǧ) in the Eastern Taurids represents alluvial fan and playa lake facies that were deposited in an intermontane foreland basin. The formation with a total thickness of up to 585 m consists of seven lithofacies of massive conglomerates, stratified conglomerates, massive sandstones...
Contexts in source publication
Context 1
... study area located in the eastern Taurides is part of the Alpine-Himalayan orogenic belt ( Figure 1) and comprises four different areas (Figures 2 and 3) around Baskil and Keban districts of the Elaziğ city. These areas are situated in the Elaziğ basin ( Aksoy et al., 1996) ( Figure 2) that is formed as a foreland basin as a result of the collision between the Keban continental microplate and Elaziğ magmatic arc (Yazgan, 1981(Yazgan, , 1984Perinçek and Özkaya, 1981;Bingöl, 1982Bingöl, , 1984Aktaş and Robertson, 1984;Yazgan and Chessex, 1991;Turan et al., 1995). ...
Context 2
... study area located in the eastern Taurides is part of the Alpine-Himalayan orogenic belt ( Figure 1) and comprises four different areas (Figures 2 and 3) around Baskil and Keban districts of the Elaziğ city. These areas are situated in the Elaziğ basin ( Aksoy et al., 1996) ( Figure 2) that is formed as a foreland basin as a result of the collision between the Keban continental microplate and Elaziğ magmatic arc (Yazgan, 1981(Yazgan, , 1984Perinçek and Özkaya, 1981;Bingöl, 1982Bingöl, , 1984Aktaş and Robertson, 1984;Yazgan and Chessex, 1991;Turan et al., 1995). Some typical foreland basins comprise "broken foreland basin" (Jordan, 1995): these are also known as "inner foreland", "laramide", "tilted block" or "intermontane foreland" basins ( Chapin and Cather, 1981; Jordan and Allmendinger, 1986;Dickinson et al., 1988;İngersoll, 1988;Schwartz and DeCelles, 1988;McQueen and Beaumont, 1989). ...
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Citations
... The accretion of the Tauric blocks, carrying PermoeTriassic rocks and Mesozoic carbonate platforms, was driven by the northward subduction of a branch of Neotethyan Ocean (Fig. 1A). Several authors have suggested that this branch of Neotethys in the eastern Turkey segment of subduction consisted of more than one oceanic slivers, separating the original Tauric blocks and subduction arcs (Ş eng€ or and Yılmaz, 1981;Perinçek and € Ozkaya, 1981;Yazgan et al., 1983;Yazgan and Chessex, 1991;Turan et al., 1995;Turan, 2011). The accretion process culminated in the collision of the Tauric Keban block with the Elazı g magmatic arc at the end of the Maastrichtian (Perinçek and € Ozkaya, 1981;Yazgan, 1981Yazgan, , 1984Bing€ ol, 1982Bing€ ol, , 1984Michard et al., 1984;Yazgan and Chessex, 1991;Turan et al., 1995). ...
... (B) Locality map of the Elazı g region. (C) Geological map of the Elazı g region (modified from Turan, 2011). ...
... The igneous rocks include granite, gabbro, basalt, andesite and dacite, and are tectonically overridden by the Keban nappe complex. The foreland basin-fill sedimentary succession (Figs. 2 and 3; Turan and Türkmen, 1996;Aksoy et al., 1999;Turan, 2011) consists of the following formations: ...
The Kuşçular Formation was deposited in the early Palaeocene in a tectonically-controlled foreland basin in front of the southwards-advancing nappes of the Tauride orogen in eastern Turkey. This lithostratigraphic unit consists of alluvial-fan deposits, including distal mudflat–playa facies association. The proximal to middle fan deposits are composed of clastic sediments, whereas the distal deposits represent both clastic and evaporitic sedimentation. Compressional synsedimentary deformation caused development of an intraformational unconformity in the distal fan deposits of the Kuşçular Formation. Slump features and overturned beds were formed as a result of the oversteepening and recumbent folding of deposits due to the orogen thrust-wedge movement. Load casts, flame structures, intrusion features, sand dykes, interpenetrative cusps and synsedimentary faults were formed as a result of sediment liquefaction and remobilization. It is suggested that such levels of soft-sediment deformation in foreland terrestrial molasse deposits should be carefully studied as they may be related to ‘hidden’ unconformities and represent an important record of syndepositional tectonic and seismic activity in the basin.
