2019-8-23 · Developed an ANN model for estimating mining capital cost for open-pit mining projects with high accuracy. • Compared with the other machine learning algorithms include Random Forest, Support Vector Machine, and Classification and Regression tree. • Analyzed the influence factors on mining capital cost for estimating mining capital cost. •

Get PriceCapital cost . $5 788 234.47 . Discount rate . 10 % . The Lerchs-Grossmann method of pit optimization, as implemented in Whittle Programming packages, offers mathematically reliable designs

Get Price2015-6-3 · One of the first steps in open pit mine design is the pit optimization analysis. Pit optimization is used to define the most profitable pit shell (or nested pit shells) for a given set of economic parameters. The economic parameters include the metal prices,

Get Price2017-12-1 · Trans. Nonferrous Met. Soc. China 27(2017) 2682âˆ’2690 Open pit waste removal optimization through equipment fleet scheduling Xiao-wei GU 1,Qing WANG 1,Xiao-chuan XU 1,Jian-ping LIU 1,2,Tai-wei SUN 1,Kun DU 1 1. haulage cost constitutes 50%âˆ’60% of the total operating cost, and the capital cost of a truck-shovel system is

Get Price2009-9-17 · ABSTRACT: The open pit design and scheduling problem is a large-scale optimization problem that has attracted considerable attention during the last 40 years The development of the "know-how" to improve economics of open pit mining projects through the use of mathematical optimization techniques goes back to early 1960's.

Get Pricecapital cost is estimated at $286,645,232, annual fixed cost at $46,759,088 and processing cost of US$ 7.59 / ton. The planned pit design incorporates 15.2 m high and 50 m wide benches with double benching yielding a 65º inter-ramp angle. Mine ramps have been

Get Price2021-5-8 · based on the floating cone methods [5]. Sayadi et al. (2011) used a new artificial neural method to open-pit optimization [6]. kakaei et al. (2012) introduced a new algorithm for optimum open pit design based on the floating cone method [7]. Until now, many algorithms have been presented to determine the final open pit area of mines.

Get Price2015-9-10 · Open-Pit Mine Production Operation Optimization 1 Shiv Prakash Upadhyay and Hooman Askari-Nasab Mining Optimization Laboratory (MOL) University of Alberta, Edmonton, Canada . Abstract Decision making in mining is a challenging task. Optimal decisions regarding shovel and truck

Get PriceThis paper demonstrates the application of Surpac and Whittle in open pit optimisation and design. Exploration data on the Tabakoto deposit of AngloGold Ashanti Sadiola Mine (AASM) has established

Get Price2009-11-19 · Optimization of the loading and hauling fleet at Mamatwan open pit mine Mining Mamatwan Mine is a conventional opencast operation in that the overburden is removed to uncover the manganese orebody using a truck and shovel fleet. The orebody is then drilled and blasted (Van Antwerpen (2004.) Removal of the overburden is done in stages, where the

Get Price2021-5-8 · open pit was considered 1:1 (45 degrees). The purpose of open-pit mining optimization is the maximization of the economic value of the extraction area. In open-pit mining, the length of the optimal path shows the value of the maximum extraction area. ---a: Primary revenue block model +11 +2 +32 +7 +1-3-1 -1 -1 -1 -1 +1 -1

Get Price2017-9-7 · The transition from open pit (OP) to underground (UG) methods requires a large capital cost for development and potential delays in production but can provide access to a large supply of reserves and subsequently extend a mine’s life. Additionally, an operating mine may beneﬁt from such a

Get PriceThe tradition way of open pit mine design just takes the operating and capital costs into account while the ecological costs of mining to ecological environment is not a concern at all. For this concept, based on the mine ecological footprint and eco-cost models which have been built by author, the ecological cost allocation models which take mining, stripping and ore dressing as incentive are

Get Price2012-12-11 · For small capacity mines, 40% of the capital cost of the large capacity mine is used based on trends seen in the capital cost calculation for refining. The variable portion of the cost calculation is based on the open pit mining models published by the USGS, which take into account several factors that affect capital expenditures (Camm, 1991).

Get PriceA model of discounted profit variation of open pit production sequencing optimization. Proceedings of the 32nd International Symposium on the Application of Computers and Operations Research in the Mineral Industry (APCOM) 2005), Tucson, USA, 30 March 1 April 2005, 2005. Rossen Halatchev.

Get Price2020-8-11 · It is assumed that the relationship between production capacity and cost is linear. 25 12 Case study A hypothetical copper orebody with approximately 160 000 blocks was used to demonstrate the proposed methodology. To begin, a pit optimization was completed with the Whittle strategic mine planning package.

Get Price2015-9-10 · Open-Pit Mine Production Operation Optimization 1 Shiv Prakash Upadhyay and Hooman Askari-Nasab Mining Optimization Laboratory (MOL) University of Alberta, Edmonton, Canada . Abstract Decision making in mining is a challenging task. Optimal decisions regarding shovel and truck

Get PriceMining strategy development, implementation, and optimization; Operating cost, labour productivity, and manpower requirement estimation; Capital expenditure estimation; Open pit to underground transition analysis; Technical studies compliant with international standards, including scoping and feasibility studies, project reviews, and technical

Get Price2018-9-19 · Optimization of Fragmentation in an Underground Mine haulage, boulder elimination, capital and development-cost and ore benefication cost for each size-distribution. The size-distribution that yields the lowest total cost per ton of ore mined, represents the optimal size-distribution. The comminution process at an open pit operation

Get Price2019-6-28 · The study looked at 342 open pit and 197 underground mines located in the Americas and Australia. Long found that there was a significant difference between the production rate of underground vs. open pit and block caving. The equation found for underground deposits was found to be: The equation for open pit and block caving deposits was found

Get PriceThe tradition way of open pit mine design just takes the operating and capital costs into account while the ecological costs of mining to ecological environment is not a concern at all. For this concept, based on the mine ecological footprint and eco-cost models which have been built by author, the ecological cost allocation models which take mining, stripping and ore dressing as incentive are

Get Price2010-3-2 · Pit Optimization Results Mr. Tim Carew of Reserva International LLC in Reno, Nevada, USA, generated a series of open pit optimization studies using Gemcom Whittle Optimization software based on a heap leach/CIL flow sheet and representative costs for operations of a similar size and nature including mining costs of US$1.63/t for weathered and near

Get Priceoptimization method is proposed (Gu et al 2010 and 2013) from the perspective of ore spatial distribution. A dynamic optimization model of cut-off grade in an open pit has been established (Xie et al 2003) through marginal analysis method combined with time cost of capital and analysis of opportunity cost.

Get PriceMining strategy development, implementation, and optimization; Operating cost, labour productivity, and manpower requirement estimation; Capital expenditure estimation; Open pit to underground transition analysis; Technical studies compliant with international standards, including scoping and feasibility studies, project reviews, and technical

Get Price2015-9-10 · Open-Pit Mine Production Operation Optimization 1 Shiv Prakash Upadhyay and Hooman Askari-Nasab Mining Optimization Laboratory (MOL) University of Alberta, Edmonton, Canada . Abstract Decision making in mining is a challenging task. Optimal decisions regarding shovel and truck

Get Price2012-12-11 · For small capacity mines, 40% of the capital cost of the large capacity mine is used based on trends seen in the capital cost calculation for refining. The variable portion of the cost calculation is based on the open pit mining models published by the USGS, which take into account several factors that affect capital expenditures (Camm, 1991).

Get Price2021-2-7 · stochastic optimization approach to jointly optimize the different components of a mineral value chain under geological uncertainty. The method easily accommodates different types of mining complexes of varying sizes and their relevant components, such as open-pit mines, stockpiles, processing facilities, waste dumps, and tailings dams. However

Get PriceSeven-year nickel production life (open pit only). Capital cost forecast of $592.9 million, including a contingency of $50 million. Average annual ore production of 3.6 million tonnes. Average annual nickel production in concentrate of approximately 11,000 tonnes. C1 cash cost per pound of nickel, net of credits of US$1.89 ($2.08).

Get Price2016-1-9 · A Dragline Shovel Loading ore in pit Some photos and machinery used in open-pit mining 13. Haulage is usually by truck, although railroads, inclined rails, and conveyor belts have been used. The conveyance unloads directly into a primary crusher and crushed material is stored in coarse ore bins prior to shipment to the mill.

Get Price2020-6-18 · Slope collapse is a critical hazard in open-pit mines as it can be of any scale, small or large, and directly affect people, equipment, and production processes (Fig. 1).Therefore, analysis and

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