Abstract
The Kargı-İskilip Eocene deposits located in southern part of the North Anatolian Fault are very well exposed between Kargı and Çorum settlements in N-Turkey. These Eocene deposits are observed as submarine fan and fan delta systems. Submarine fan system is characterized by clastic sediments such as conglomerate, sandstones, siltstones, greyish coloured shale and mudstone alternations. Fan delta system is represented by pebbly sandstones, siltstones and coal seams in some parts. In this study, Kargı-İskilip Eocene sediments involved in İskilip Group were examined in detail (Hacıhalil, Yoncalı and Karabalçık formations). Thus, the sedimentary facies indicating depositional environments and processes were revealed. For this research, six measured sedimentary sections (MSS) have been taken systematically and eight sedimentary facies are described and interpreted. The facies changes in vertically and laterally indicate that Kargı-İskilip Eocene deposits present as regressive character from south to north. Well outcropped sections in the studied area show that the Kargı-İskilip deposits particularly represent as flysch character (Lower Eocene) and progressively passed to the fan delta (Middle Eocene) which characterized by coarse grained clastics alternating with fine grained sediments with coal-bearing. besides, volcanic rocks outcropped as syn-sedimentary deposition with Lower Eocene marine sediments is observed commonly. In the investigated area, which formed as a piggy-back basin, syn-sedimentary growth faults also play an active role for the deepening of the basin infill.
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