Abstract

ABSTRACT

In this study, all available geological, geophysical and geochemical data were integrated to assess the hydrocarbon prospectivity of the Haymana Basin, an interior basin in Central Anatolia. First, the basin was modelled in three dimensions (3D) using gravity data which identified the deepest part of the basin to the east of Haymana, south of Ankara. This potential hydrocarbon generation area has not been properly explored. Next, the first order vertical derivative of the gravity anomaly map was computed to identify boundaries of prospective structures from inflections in the gravity gradient. Aeromagnetic data were transformed to an analytical signal to identify the probable locations of buried magmatic intrusions. The prospective part of the Haymana Basin was interpreted as being located to the east of an intrusion.

Finally, all available geochemical data of the Kirkkavak Formation were classified for different parameters (TOC, S1+S2 and Tmax) and maximum values of each parameter were mapped. In comparing the 3D depth model with individual geochemical maps, it was observed that each geochemical parameter was consistent with the interpreted prospective zone of the Haymana Basin.

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