Facies partitioning and stratal pattern in salt-controlled marine to continental mini-basins: Examples from the Late Oligocene to Early Miocene of the Sivas Basin, Turkey

Structure and kinematics of the Central Sivas Basin (Turkey): salt deposition and tectonics in an evolving fold-and-thrust belt

“…The core of the Sivas Basin, described as the Wall and Basin structure (WABS) by Kergaravat et al (2016), displays a primary generation of minibasins separated by a diapiric network having spread to form a salt canopy above which developed a second generation of minibasins (e.g. Kergaravat et al 2016;Ribes et al 2016;Kergaravat et al 2017;Ribes et al 2018). The sedimentary succession of the Oligo-Miocene halokinetic domain is made of alluvial to fluvial depositional systems (Kurtman 1973;Poisson et al 1996;Ribes et al 2015;Ribes et al 2016) interrupted by a regional transgression during the Late Oligocene -Early Miocene with shallow-marine deposits (Poisson et al 2016;Ribes et al 2018).…”

“…Kergaravat et al 2016;Ribes et al 2016;Kergaravat et al 2017;Ribes et al 2018). The sedimentary succession of the Oligo-Miocene halokinetic domain is made of alluvial to fluvial depositional systems (Kurtman 1973;Poisson et al 1996;Ribes et al 2015;Ribes et al 2016) interrupted by a regional transgression during the Late Oligocene -Early Miocene with shallow-marine deposits (Poisson et al 2016;Ribes et al 2018). The whole Oligo-Miocene salt domain was thrusted southward over a Late Eocene passive roof salt décollement during the regional compressive events (Kergaravat et al 2016;Legeay 2017).…”

“…It consists of shallow marine marls and sandstones, locally interbedded with algal limestones dated Aquitanian-Burdigalian (Sirel et al 2013;Poisson et al 2016;Ribes et al 2018). The Benlikaya Formation is characterized by alluvial to fluvial and lacustrine deposits, dated from middle to late Miocene (Poisson et al 1996;Ribes et al 2018). It mainly consists of reddish sandstones and conglomerates grading upward to lacustrine and sabkha evaporites Poisson et al 2016;Pichat, 2017;Ribes et al 2018).…”

“…Some of these studies considered the Late Eocene salt as a "classic" sedimentary layer and décollement level (Poisson et al 1996;Temiz 1996). Apart from the work of Cubuk (1994), the importance of salt tectonics in the central part of the basin was only recently highlighted (Ringenbach et al 2013;Callot et al 2014;Kergaravat et al 2016;Pichat et al 2016;Ribes et al 2016;Kergaravat et al 2017;Pichat et al 2018;Ribes et al 2018;Legeay et al 2018) and led to a new kinematic model of the basin in which the thick Eocene evaporites triggered the development of a large halokinetic domain, characterized by two sets of minibasins separated by a canopy.…”

The Pre‐Obduction to Post‐Obduction Evolution of the Sivas Ophiolite (Turkey) and Implications for the Precollisional History of Eastern Anatolia

“…The latest Eocene to Oligocene deposits record the transition from marine to continental depositional environments associated with sedimentation of widespread evaporitic sequences (Figure b). The post‐Oligocene evolution of the Sivas Basin is characterized by important salt tectonic activity well developed in its central and northern parts (Callot et al, ; Kergaravat, ; Kergaravat et al, ; Kergaravat et al, ; Legeay, ; Legeay, Pichat, et al, ; Legeay, Ringenbach, et al, ; Pichat, ; Pichat et al, ; Pichat et al, ; Ribes, ; Ribes et al, ; Ribes et al, ; Ribes et al, ; Ringenbach et al, ).…”