A paper written by: Pascal Amedzrovi, George Agyei, University of Mines and Technology, Tarkwa, Ghana. The most important factor in mine production planning is called cut-off grade. Therefore, it’s accuracy is important as it can seriously impact the net present ...
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Key informations about Escondida Mine
Location At 170 km southeast of Antofagasta, in the northern Chilean Atacama Desert, sits the copper porphyry deposit known as Escondida. In Spanish, the name Escondida means “hidden.” It comes from the primary orebody, which is concealed by hundreds of ...
How does the depth of a deposit affect the cut-off grade?
A cut-off grade determines which drilling intercepts may and cannot be used in a JORC resource. It is the grade of mineralisation at which a deposit can be exploited profitably. The price at which a firm can sell the underlying ...
The impact of the circular economy in the mining industry
Mining involves supplying core raw materials to global supply and value chains. Therefore, the mining industry plays an essential role in global economic and social development (Gedam et al., 2021). The transition towards sustainable environmental management is also important because ...
General rules for plant design (Part 01)
More than merely the project’s immediate technical and engineering requirements fall under the purview of the metallurgists and engineers designing a new plant. Some of the broader issues that should be considered for your next design job are covered in ...