Determination of the coal-bearing zones and the alteration zones containing uranium ore by using two dimensional (2D) seismic reflection method in Thrace Basin

IF 0.5 Q4 GEOSCIENCES, MULTIDISCIPLINARY

Bulletin of the Mineral Research and Exploration Pub Date : 2022-10-31 DOI:10.19111/bulletinofmre.1197260

Sinem Aykaç, Abdullah Gürer, İmam Çeli̇k, Batuğhan Yikmaz, Erdoğan Eryilmaz, E. Apatay, Sami Aytaç Özdemi̇r, Sermet Gündüz, Tuğçe Can, E. Ak, Erdener Izladi, Salih Erden, Zeynep Rezzan Özerk, R. Güney, Esra Burcu Köse, Busra Demirci

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Abstract

It is aimed to reveal the basement topography, the coal-bearing levels, the alteration zones containing uranium ore, and the tectonic structure prevailing by using 2D seismic reflection method in the Thrace Paleogene-Neogene Basin. In this context, seismic data collected on the six profiles were interpreted by correlating with the data of 97 wells. In the seismic lines, respectively, the Metamorphic Basement-Eocene boundary, the top of the coal-bearing zone and the boundary of the Danişmen-Ergene formations were confirmed by using the borehole data. By evaluating seismic data, the coal propagation is modeled with 3D figures. Moreover, coal accumulation starts from the southwest of the field and continues towards the northeast, and it is supported by the results obtained from the borehole data. The presence of uranium ore in some of the alteration zones and borehole data indicated that all alteration zones determined should be inspected for uranium ore. In addition to normal and reverse faults, positive and negative flower structures formed in the strike-slip fault zones were determined, and lignite deposits were cut in the flank of these structures. Finally, it is recommended to carry out seismic studies before drilling, to investigate potential coal and uranium areas and to plan more seismic lines.

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利用二维地震反射法确定色雷斯盆地含煤带和含铀矿蚀变带

利用二维地震反射方法，揭示色雷斯古近系—新近系盆地基底地形、含煤水平、含铀矿蚀变带及主控构造。在这种情况下，通过与97口井的数据相关联，对6条剖面上收集的地震数据进行了解释。在地震线上，利用钻孔资料分别确定了变质基底—始新世界线、含煤带顶部界线和大尼门—额尔金组界线。通过对地震资料的评价，建立了煤的三维传播模型。此外，煤的聚集从西南向东北方向开始，并得到了钻孔资料结果的支持。部分蚀变带中存在铀矿石，钻孔资料表明，所有确定的蚀变带均需考察铀矿石。除正、逆断层外，还确定了走滑断裂带中形成的正、负花构造，并在这些构造的侧翼切割出褐煤矿床。最后，建议在钻探前进行地震研究，调查潜在的煤炭和铀矿区，并规划更多的地震线。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Bulletin of the Mineral Research and Exploration GEOSCIENCES, MULTIDISCIPLINARY-

CiteScore

1.20

自引率

20.00%

发文量

审稿时长

10 weeks

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