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Improving productivity to overcome natural factors such as decreasing ore grades, deeper deposits, and harder rock mass, combined with an increasing …
The conditions of declining gold grade in the ore, increasing depth of excavation, and de-creasing unallocated stock of deposits make it necessary to develop efficient solutions for the mine-to-mill process, …
Figure 2 reveals that rising resource quality (ore grade) had a clear positive impact on copper section productivity from 1974 to 1975 to 1998–1999, as removal of "grade effect" (known here as depletion …
40 Citations. 3 Altmetric. Explore all metrics. Abstract. Rising productivity, alongside exploration, is the principal means by which mining can combat resource …
With this example, we can see that the decline in ore grade in gold mines could soon reach a point where gold production becomes unaffordable from an energy …
This study aims to examine the energy costs associated with extracting Ni, Co, and PGMs as ore grades in mines decrease. Previous research has explored the …
The surge in demand for metals and minerals in the early 2000s quickly translated into much higher prices and, with it, much increased miners' profitability. Boosting production volumes became the industry's top priority. Mining companies worldwide largely lost sight of …
In this regard, the current research focuses on the pretreatment of refractory gold ore and investigates the effect of microwave power, the role of additives, and water …
Abstract: The conditions of declining gold grade in the ore, increasing depth of excavation, and de-creasing unallocated stock of deposits make it necessary to develop efficient …
Prices and equity valuations have risen—albeit from low levels—for commodities including copper, gold, iron ore, and zinc. But the industry's fundamentals …