DBPapers
DOI: 10.5593/sgem2011/s05.107

ORGANIC FACIES CHARACTERISTICS OF MIOCENE UNITS IN (NORTHERN MANAVGAT (ANTALYA), TURKEY

AUTHOR/S: M. ALTUNSOY, S. INAL
Monday 1 August 2011 by Libadmin2011

11th International Multidisciplinary Scientific GeoConference SGEM2011, www.sgem.org, SGEM2011 Conference Proceedings/ ISSN 1314-2704, June 20-25, 2011, Vol. 1, 1265-1270 pp

ABSTRACT

The aim of this study is to investigate the organic facies characteristics of the Miocene
Units in Northern Manavgat (Antalya), Turkey. The study area is located in the
Western–Central section of the Taurus Belt. Miocene units mainly consist of three
formations which are Upper Burdigalian–Langhian Oymapınar Limestone, Langhian
Geceleme Formation and Serravallian–Tortonian Karpuzçay Formation. The Units consist of sandstone, siltstone, claystone, limestone, clayey limestone and reef limestone.

Total organic carbon content (TOC) of the units lie between 0.01 and 0.42 %. Generally the Hydrogen Index (HI) ranges from 100-800 mgHC/gTOC and Oxygen Index (OI) is high (up to 628 mgCO2/gTOC). Thermal maturation (Tmax) value (343-591oC) indicate
mature and immature zone. Production Index (PI) is between 0.17 and 1.00. Organic matter is composed predominantly of autochthonous amorphous material with a minor contribution terrestrial material (herbaceous, woody and coaly organic matters). Kerogen in the deposits is Type III as indicated by Rock-Eval pyrolysis and organic petrographic data.

Both microscopic investigation and Rock-Eval pyrolysis data the Miocene sediments of
the Northern Manavgat (Antalya) region within the CD and D organic facies. The
organic matters of these facies are either highly oxidized or redeposited residual organic
matter.

Keywords: Organic Facies, Organic Matter, Rock-Eval Pyrolysis, Manavgat

PAPER 2011/s05.107: ORGANIC FACIES CHARACTERISTICS OF MIOCENE UNITS IN (NORTHERN MANAVGAT (ANTALYA), TURKEY

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