000			02753nab a2200205 4500
005			20260520001747.0
008			260224s2009 xxu
245	0	0	_aAllochthonous blocks misidentified as the basement _bImplication for petroleum exploration in the SW thrace basin (Turkey)
260			_a _b _cfeb. 2009
270			_a07/05/2009 ; 06/05/2009
300			_a11 p. ; 55-66
520			_aTranscripción del resúmen publicado por el autor: The sedimentary sequence of the SW Thrace Basin (NW Turkey) comprises of three major sedimentary packages: a) Cretaceous (Meastrichtien)–Early Eocene package formed as pelagic carbonate, turbidite, shelf and nearshore-fluvial deposits, b) Middle Eocene–Early Oligocene package formed as shallow marine, slope apron and turbidite sediments, c) Middle Miocene–Early Pliocene package formed as alluvial fan-fluvial and nearshore deposits. This basin is structurally complex and its southern margin is represented by a fold-thrust zone. The Westward Propagation of the North Anatolian Fault (WPNAF) intersects the Thrace Basin along its southwestern flank. In the SW Thrace Basin, there are ophiolite and limestone blocks in the sedimentary succession, which previously were interpreted as suture of the Intra-Pontide Ocean, Cretaceous aged Yeniköy Mélange or Olistostromal Unit in the Eocene sediments. In this study these rocks have been defined as allochthonous blocks facies of the Gaziköy Formation aged Middle–Late Eocene. In previous studies the Karaagaç Formation (Early Eocene) was considered to be within oil window and have an average potential for oil and gas generation. According to our data the Karaagaç Formation has a moderate TOC content, is mature and overmature. In the study area, there are potential stratigraphic traps (submarine fans and channels of the Karaagaç and Kesan Formations, fluvial channels of the Fiçitepe Formation and reefs of the Sogucak Formation), potential fractured tuffs (the Gaziköy Formation) and, potential structural traps related to the folds, thrusts and the WPNAF. Although 17 exploration wells have been drilled in the study area and vicinity, no discovery has yet been made. The cause of this may be that the wells were terminated at depths shallower than potential targets or possibly drilling may have been terminated at the allochthonous block facies of the Gaziköy Formation, which is especially derived from ophiolite mélange and was misidentified as basement.
581			_a1-4
773	0		_tJournal of Petroleum Science & Engineering _g64
942			_cARTICULO
100	1		_aSen, Samil _940665
100	1		_aYillar, Selin _940666
100	1		_aKerey, I. Erdal _941082
999			_c169688 _d169688