SEDIMENTOLOGICAL AND GEOCHEMICAL ANALYSIS OF MIOCENE DEPOSITS IN MOSCHOPOTAMOS AREA, IN THE WESTERN PART OF AXIOS-THERMAIKOS BASIN, NW GREECE

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Published: Jul 27, 2016
DOI: https://doi.org/10.12681/bgsg.11738
Keywords:
TOC CaCO3 grain-size analysis Moschopotamos North Aegean.
V. Savva
Department of Geology, University of Patras
P. Tserolas
Department of Geology, University of Patras
A. Maravelis
School of Environmental and Life Sciences, University of Newcastle
N. Bourli
Department of Geology, University of Patras
A. Zelilidis
Department of Geology, University of Patras
Abstract

A total of 27 samples of the Moschopotamos area lignite-bearing strata were studied in regard of their geochemical and sedimentary characteristics. Organic content and calcium carbonate evaluation, sieve analysis and micropaleontological observations were used and combined to investigate the paleoenvironment and the depositional conditions of the study area. TOC analysis showed that organic matter values range from 0.07% up to 13.42% with an average of ~3.26 %. The high average of organic carbon content indicates a promising basis for the sediments’ source rock potential, inquiring further and thorough examination. CaCO3 measurements present a range between 4% and 23%. A comparison between TOC-CaCO3 content throughout the stratigraphic column presented certain synchronous and inverse trends, due to alterations of the depositional conditions. This study provides new insights for the understanding of the broader Axios-Thermaikos basin, and depositional conditions in the North Aegean area.

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  • Marine Geology and Oceanography
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