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Truck Tippers

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The Mareesburg mine is located in South Africa in the Limpopo province, approximately 50km west of Lydenburg. The mine is spread over 2,129ha and is owned by Eastern Platinum (75.5%) in a joint venture with Lion's Head Platinum (LHP). The project will be developed at a cost of $227m.

A feasibility study for the project was completed at the end of 2009. An order mining right for the project was granted by the Canadian Department of Mineral Resources in November 2010.
 

The Mareesburg mine will produce 115,000 6E PGM ounces annually. Development of the mine is expected to increase the annual production of Eastern Platinum to 325,000tpa.


Palabora Copper Mine is South Africa's deepest and largest open cast mine. And it is one of the largest copper mines in the world.

The bottom of the oppencast pit is today about 230 below sea level. The diameter of the pit is almost 2,000m. This makes it the widest man-made hole in Africa.

The Mpumalanga Complex of Xstrata Coal South Africa (XCSA) is situated near the town of Breyten, approximately 100km south of Middelburg and 35 km north of Ermelo in the Mpumalanga Province of South Africa. The Mpumalanga Complex consists of Spitzkop and Tselentis Collieries situated South and North of Breyten respectively. These Collieries are 100% Xstrata owned.

Each mine has opencast and underground sections dependant on the strip ratio of the portion of the reserve.

B and C lower coal seams are economically mineable in the area. These low seams’ average thicknesses are 1.7m and 1.8m respectively.

Coal is mined underground by a low profile 14HM15 Joy remote control continuous miner per section, assisted by 10SC20A Joy 7-ton shuttle cars.Truck and shovel mining for all the opencast sections is done by contractors. Mining and rehabilitation is carried out using the rollover method.

About 80% of the coal produced at Spitzkop is exported to Europe for power generation and the balance is sold on the inland market  mainly to sugar and paper mills in Swaziland and the North Coast of Kwazulu Natal. Tselentis Colliery’s product is also destined for Export markets.

 

 




Open-pit mining, open-cut mining or opencast mining is a method of extracting rock or minerals from the earth by their removal from an open pit or borrow.

This form of mining differs from extractive methods that require tunneling into the earth such as long wall mining.

Open-pit mines are used when deposits of commercially useful minerals or rock are found near the surface; that is, where the overburden (surface material covering the valuable deposit is relatively thin or the material of interest is structurally unsuitable for tunneling as would be the case for sand, cinder, and gravel.


For minerals that occur deep below the surface where the overburden is thick or the mineral occurs as veins in hard rock underground mining methods extract the valued material.Open-pit mines that produce building materials and dimension stone are commonly referred to as quarries.

Open-pit mines are typically enlarged until either the mineral resource is exhausted, or an increasing ratio of overburden to ore makes further mining uneconomic.

When this occurs, the exhausted mines are sometimes converted to landfills for disposal of solid wastes.

However, some form of water control is usually required to keep the mine pit from becoming a lake, if the mine is situated in a climate of considerable precipitation or if any layers of the pit forming the mine borders productive aquifers.



















 
 

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