ERDENET MINING C O R P O R A T I ON
MINING Ore body of the copper-molybdenum deposit in the “Erdenetiin-Ovoo” stretches to the west from the east and consists of 4 main parts, including Central, North –western, South-eastern and Tsagaanchuluut. The ore body of copper-molybdenum consists of the minerals including chalcosine, chalcopyrite, turquoise, bornite, brochantite, azurite, molybdenite), delafossite, tenorite, sericite and other minerals. Now The North –western part is mined by open method. The length of pit in the primary mining is approx. 2500 m, the width is approx.1500 m, the lowest level is 1265 m and the depth has been reached up to 135 m. The top of the mount was 1606m from the sea level in the initial period of operation. The pit is planned to have the ledge height of 15 m, the sidewall of 370-420, the least stripping area of 45-50 m. LIEBHERR-994B hydraulic excavators from Germany, chain excavators including EKG-10 and EKG-15 from Russia operate for the mining works and drilling machine СБШ-250 MHA-32 are used for drilling. Chain and wheeled bulldozers such as Liebherr PR-764, Komatsu D-275A, 824G, WD-500, wheeled loaders L-581, WA 800, WA 600 and, motograders GD-825, CAT 16H etc., from USA, Japan, and Germany are used for spoil heap, road construction and repair for technological haulage. A powerful maintenance centre with an area of 6000m2 operates to perform all kinds of repair of mining equipment.
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