An Introduction to Cut-off Grade Estimation, Second Edition
Some fundamental concepts, such as those related to opportunity costs and how those costs should be accounted for in decision making, needed clarifi-cation. The focus of the 2008 …
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Common & Basic Formulas for Mineral Processing Calculations
2016321· For example, a perfect copper concentrate for an ore containing copper only as chalcocite would run 79.8% copper, but if the smelter is best equipped to handle a 36% copper …
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Cut-off Grade Calculator
A COG represents the minimum grade needed to pay-off most* of the costs of mining and processing that material. With this tool, I help you calculate the COG for various economic …
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7 Calculation of the Net Smelter Return (NSR) of a Mine
tation ofUS-$ 0.90/1b refers to refined copper. The mine, however, produces only concentrates (see Fig. 14a). To obtain the return for the mine we have to subtract from the price for refined …
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Mineral Reserves and Resources
Metallurgical recoveries vary by domain and NSR formula. Copper-silver dominant zones use the NSR formula: (Cu%*$70.72 + Ag g/t$0.53) * (1-NSR Royalty%). transportation costs and 1 …
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Equivalent Grade Calculator
Populate the fields with the proper grade values, metal prices, metallurgical recoveries, and units, and it will provide not only a calculated equivalent grade, but also the formula for doing so. Please note, I have not gone to the effort to …
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List of copper ores
Following is a list of minerals that serve as copper ores in the copper mining process: [1] Image Name Formula % Copper when pure Chalcopyrite: CuFeS 2: 34.5 Chalcocite: Cu 2 S: 79.8 …
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Copper Price Calculator
How to Use the Copper Price Calculator. Input Price Per Gram (CPP): Start by entering the current price per gram of copper into the designated field. Enter Weight (W): Input the weight …
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COSTS AND COST ESTIMATION Chapter
ther exploration to prove and extend possible ore reserves. Esti mates of costs are based primarily on computed average costs of Taylor (1986) formula (Fig. 6.3.1). This formula, …
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Stripping Ratios: What Are They and Why Are They Important?
2024910· At the most basic level, the strip ratio formula involves dividing overburden thickness by ore thickness. For example, an overburden thickness of 100 meters and an ore …
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Chapter 7 Calculation of The Net Smelter Return …
This document discusses methods for calculating the net smelter return (NSR) of a mine based on metal prices and concentrate grades. It provides examples of calculating NSR for iron ore and scheelite concentrates based on direct unit …
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Copper Ore Analysis: Quantifying Copper Content
202462· Popularity: ⭐⭐⭐ Copper Calculation in Mining This calculator provides the calculation of the amount of copper in a given ore sample. Explanation Calculation Example: …
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How do you calculate the price of copper ore from set LME price?
428· For example, chalcopyrite, which is a common copper ore, has a chemical formula of CuFeS2. Other copper ores may have different chemical compositions.
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Cash Cost per Tonne
2024113· When analyzing the metals and mining sector, the cash cost per tonne metric is often compared to other financial metrics to provide a well-rounded view of a company’s …
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formula for cost calculation of copper ore
formula for cost calculation of copper ore. May 23, 2016 centration of metals in ore and copper concentrates, the operational The NSR calculations show that the Lubin mine is nearly 2 times …
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MINERAL PRODUCT PRICING STUDY
Copper ore (1-2% copper) Copper concentrate (20-30% copper, 30% iron, 30% sulphur, gold, silver, and unwanted elements eg arsenic, mercury ) Source: Freeport McMoran. Source: …
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Chapter 7 Calculation of The Net Smelter Return (NSR) of A Mine
This document discusses methods for calculating the net smelter return (NSR) of a mine based on metal prices and concentrate grades. It provides examples of calculating NSR for iron ore and …
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(PDF) A Method of Ore Blending Based on the Quality of …
531· The benefits of ore blending are extending the ore reserve base by utilization of low-grade, minimizing the need for selective mining hence reducing mining costs and …
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Calculation of tonnage and average grade of deposit …
It was proven that with variations in losses and dilution, cost savings arise due to changes in the volume of work on ore averaging, ore transportation, and beneficiation.
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Calculating ultimate pit limits and determining pushbacks in …
81· The process for determining the pushbacks is based on the calculation parameters, operating costs, processing recovery, geotechnical angles and selling prices, as …
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copper concentrate price
Calculate Net Copper Value: Multiply the copper content percentage by the LME copper price and apply the TC/RC deductions to calculate the net copper value per ton of concentrate. It …
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Calculation of the Net Smelter Return (NSR) of a Mine
freight costs contribute considerably to the purchase price of iron ore for the steel plants (iron ore is a low-value bulk product), this is not true for tungsten concentrates which are a high-value …
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Metallurgical Accounting Formulas
201398· Two Product Formula Online Calculator A copper concentrator is milling 15,000 tons/day of a chalcopyrite ore assaying 1.15% copper. The concentrate and tailings produced …
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copper concentrate price calculation formula
mining calculator for /tonne from /lb concentrate pricing. gold concentrate per metric ton tcfuwhrorg. Price Copper Concentrate Wholesale, Copper Concentrate, 2017 Assume that the …
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Mineral Reserves and Resources
Metallurgical recoveries vary by domain and NSR formula. Copper-silver dominant zones use the NSR formula: (Cu%*$70.72 + Ag g/t$0.53) * (1-NSR Royalty%). transportation costs and 1-3% net smelter return royalty …
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Calculation of the Net Smelter Return (NSR) of a Mine
As a rule, a mine produces concentrates. In rare cases it mines rich ore which can be shipped directly. In some cases price quotations for concentrates and ore are available, i.e. iron ore, …
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stripping ratios and cut-off grades.pdf
2019516· SOLUTION Break - even cut - off grade = Mining cost /t ore + concentrating cost per tonne ore ( Metal price per tonne – SRM costs per tonne metal ) x recovery Mining cost …
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COSTS AND COST ESTIMATION Chapter
costs for the proposed operation. Unlike capital cost estimation, which is based primarily on the size and unique nature of the mine and plant site, estimation of operating costs depends on …
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DETERMINATION OF OPTIMAL MINING CUT-OFF GRADES: …
2013125· calculation understat es costs by igno ring fixed G&A costs, stripping cos ts, capacity constraints, etc. Nevertheless, it is a useful and simple ‘back - of - the - envelope’
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Percentage composition of ores
Tenorite (Cu 2 O) is an ore of copper. Given that copper has a mass of 63.5 and oxygen a mass of 16, calculate the percentage by mass of copper in tenorite. Begin by calculating the …
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