A review of cut-off grade policy models for open pit mining operations
In an open pit mining operation, the heterogeneity of the grade-tonnage distribution of the
deposit dictates that all available material within the boundaries of an open pit may not be …
deposit dictates that all available material within the boundaries of an open pit may not be …
A review of state-of-the-art techniques for the determination of the optimum cut-off grade of a metalliferous deposit with a bibliometric map** in a surface mine …
P Biswas, RK Sinha, P Sen - Resources Policy, 2023 - Elsevier
In terms of the global share, 95% of the non-metallic minerals, 90% of the metallic minerals,
and about 60% of coal are being mined out through surface mining methods. In a mining …
and about 60% of coal are being mined out through surface mining methods. In a mining …
Cutoff grade optimization in open pit mines using genetic algorithm
The fundamental objective of production planning is to create a mechanism for the
implementation of the mining cutoff grades and short-term production planning. One of the …
implementation of the mining cutoff grades and short-term production planning. One of the …
Assessing of losses and dilution impact on the cost chain: Case study of gold ore deposits
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 …
creasing unallocated stock of deposits make it necessary to develop efficient solutions for …
Determination of the optimum cut-off grades and production scheduling in multi-product open pit mines using imperialist competitive algorithm (ICA)
With regard to the immense importance of cut-off grade in designing and planning open pit
mines, optimizing this parameter has considerable effects in mining economic. This paper …
mines, optimizing this parameter has considerable effects in mining economic. This paper …
Cutoff grades optimization in open pit mines using meta-heuristic algorithms
To have a sound production planning one of the main factors that should be considered is
the cutoff grade. The cutoff grade is used as a criterion to identify waste of minerals in a …
the cutoff grade. The cutoff grade is used as a criterion to identify waste of minerals in a …
[HTML][HTML] Cutoff grade optimization based on maximizing net present value using a computer model
MR Ahmadi - Journal of Sustainable Mining, 2018 - Elsevier
After designing the final range of open pit mines, one of the first essential decisions to be
made in the production planning framework is to determine the cutoff grade. The cutoff grade …
made in the production planning framework is to determine the cutoff grade. The cutoff grade …
Impacts of grade distribution and economies of scale on cut-off grade and capacity planning
Strategic mine planning centers on solving cut-off grade selection, capacity planning, and
block sequencing. Even though significant knowledge has been accumulated on mine …
block sequencing. Even though significant knowledge has been accumulated on mine …
Optimized algorithm in mine production planning, mined material destination, and ultimate pit limit
An integral connection exists among the mine production planning, the mined material
destination, and the ultimate pit limit (UPL) in the mining engineering economy. This relation …
destination, and the ultimate pit limit (UPL) in the mining engineering economy. This relation …
[HTML][HTML] A probabilistic approach to the dynamic cut-off grade assessment
VI Bragin, MY Kharitonova… - Записки Горного …, 2021 - cyberleninka.ru
Cut-off grade is an important conditioning parameter that determines the quantity and quality
of recoverable reserves and development efficiency. Today, Russian mining companies …
of recoverable reserves and development efficiency. Today, Russian mining companies …