22-27 September 2019
Trade Fairs and Congress Center (FYCMA)
Europe/Madrid timezone

Overview of the hydrogeological investigations of recently discovered world class deposits in Serbia

23 Sep 2019, 16:00
1h
Trade Fairs and Congress Center (FYCMA)

Trade Fairs and Congress Center (FYCMA)

Av. de José Ortega y Gasset, 201 29006 Malaga, Spain
Poster Topic 1 - Groundwater assessment and management Poster with refreshments

Speaker

Dr Nebojša Atanacković (University of Belgrade, Faculty of Mining and Geology)

Description

Europe industry has growing concerns on availability of the raw materials. To address this challenge, the European Commission has created a list of critical raw materials for the EU, launched EIT Raw Materials initiative, and continuously support research projects (like INTRAW, UNEXMIN etc.) with the aim of reducing the dependency and meeting growing demands. In the last 15 years Serbia is experiencing new bust in geological exploration of mineral deposits. Currently 167 exploration licenses are active, covering approximately 6000 km2 or close to 7 % of the territory. The most significant results of these efforts are discoveries of “Jadar” Li-B and “Čukaru Peki” Cu-Au world class deposits. It is estimated that from “Jadarite” mineral deposit 10 % of worlds demand for lithium can be met. Among extensive geological exploration works, significant efforts were made on hydrogeological characterization of the ore body and surrounding rocks. Presented methodology of the hydrogeological explorations included application of water inflated packer systems for in-situ determination of hydraulic properties of deep hydrogeological units, installation of monitoring wells, pumping wells and aquifer testing, installation of deep (up to 2000 m) fully grouted multilevel vibrating-wire piezometers, deep groundwater sampling and levels monitoring. Based on collected data conceptualization of hydrogeological system was performed, which was followed with development of numerical groundwater flow models. Exploration works which are subject of this paper are related to prefeasibility and feasibility stage of the projects development and were conducted with the aim to estimate dewatering requirements, support mine and tailings design and assess the possible impacts on water resources and the environment. Specific challenges, which were identified during the project development, are related to frequent changes in mine infrastructure plans and interaction and continuous update between different project teams and elements. Since projects for opening of the new mines are long lasting and very complex, hydrogeology is present throughout the life of the project in different scales, starting from wider deposit area characterization to resolving site specific engineering issues. Experience from Serbia, along with the need for application of the industry best practice, emphasize the importance of improving the position of hydrogeology in local legislation and permitting procedures, in order to ensure proper groundwater resources characterization and protection.

Primary author

Dr Nebojša Atanacković (University of Belgrade, Faculty of Mining and Geology)

Co-authors

Prof. Vladimir Živanović (University of Belgrade, Faculty of Mining and Geology) Prof. Veselin Dragišić (University of Belgrade, Faculty of Mining and Geology) Mr Sava Magazinović (University of Belgrade, Faculty of Mining and Geology)

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