Understanding Cut-Off Grade 4 (Tonnage, Grade, and Costs ...

Feb 17, 2018· In my First Article, I discussed how calculating cut-off grade is essentially a way of making sure that there is enough value in the material to be mined to cover its cost …

Calculation of Ore Tonnage & Grade from Drill hole Samples

Calculation of Ore Tonnage & Grade from Drill hole Samples. Previous Next ... when a prism apexed on a hole having a zero value, in several instances, the calculation showed ore of a higher tenor than any of the samples from the holes at the corners of the prism; thus, it would seem that there are cases in which the method of calculation ...

Copper Ore - GRW

Copper- Ore, Pakistan Origin ... Price Calculation Formula. 70% of the Price of prime quality copper traded at LME . shall be taken as a base price for copper ore. For example: ... ¨ Cost of inspection from SGS is included in the indicative prices.

Calculate the percentage mass of copper in the ore sample ...

Dec 08, 2013· An excess of sodium hydroxide was added that caused the copper to precipitate as copper hydroxide (Cu(OH)2). The copper hydroxide precipitate was filtered then briefly washed with cold water to remove any soluble salts, then thoroughly dried to give a constant mass of 2.31g. Calculate the percentage mass of copper in the copper ore sample.

Copper Calculation - BEDIA Kabel

Copper Weight. The copper weight is calculated by the cross section of a cable x 9.6 and will be shown in kg / km. For example FLRY 1.50 mm² has a copper weight of 14.4 kg / km (9.6 x 1.5). DEL. DEL is derivated from the German exchange "Deutsche Elektrolytkupfernotiz für Leitzwecke" and is the listing for 99.5 % pure copper.

PRICING NOTICE: Amendment of arbitrage calculation for ...

Therefore, Metal Bulletin will use the midpoint of the copper, aluminium, zinc and nickel premiums rather than the single number for its LME-SHFE arbitrage calculation from August 28. For copper: the formula consists of three parts: a. SHFE front month contract close + spot premium/discount = …

Economic of Copper Processing - SlideShare

Jun 23, 2013· Effective costs of Copper Processing Example of porphyry copper mine processing costs A typical smelter contract for copper concentrates issummarized in Table 2. Consider a porphyry copper minetreating an ore containing 0.6% Cu to produce aconcentrate containing 25% …

London Metal Exchange: LME Copper

LME Copper Contract specifications. Every metal traded on the LME must conform to strict specifications regarding quality, lot size and shape. Each LME tradeable contract is likewise governed by rules covering (but not limited to) prompt dates, settlement terms, traded and cleared currencies and minimum tick size.

ON-SITE PROCESSING VS. SALE OF COPPER CONCENTRATES

ON-SITE PROCESSING VS. SALE OF COPPER CONCENTRATES By Glenn Barr Jennifer Defreyne David Jones Robert Mean CESL ... reserves of copper ores that are amenable to heap leaching are limited, with current technology. In particular, primary copper sulphides, (chalcopyrite), are ... Capital and Operating Cost Estimates for Copper Mine and Mill 0 200 ...

Copper and Aluminum Price Calculation - Hi-Tech Controls

Copper and Aluminum Price Calculation : The material price for cables and wires is usually based on a copper price of 150.00 EUR/100 kg. For invoicing, as copper surcharge – the difference to the daily copper rate will be calculated. Formula for calculating the copper surcharge:

Stripping ratio - Wikipedia

In mining, stripping ratio or strip ratio refers to the ratio of the volume of overburden (or waste material) required to be handled in order to extract some tonnage of ore. For example, a 3:1 stripping ratio means that mining one tonne of ore will require mining three tonnes of waste rock.

Copper Pipe Weight Calculator | Metal Weight Calculation ...

Online metal weight calculator which helps to calculate the weight of Copper Pipe metal. Copper Pipe Weight Calculation Material Alloy Steel Aluminum Beryllium Brass Bronze Cast Iron Columbium Copper Copper Alloys Gold Lead Magnesium Molybdenum Nickel Plastic Silver Stainless Steel Tantalum Titanium Tungsten Zinc Zirconium

CuEq Metal Equivalent Calculator for Mining Results ...

Jan 23, 2014· Silver equivalent (AgEq) may be used in a silver mine with lead and zinc or other base metal credits. A nickel deposit may have PGE, gold or other minor constituents. Use this simple metal equivalents calculator to calculate common (and uncommon) equivalences. For each metal select the grade and the market price to be used in the calculations.

5.1.6 CostStructureofCopperConcentrateProduction

In the cash cost model of a copper mine the total costs are considered from ore to copper cathode. If a mine does not produce cathodes, then also the treatment and refining charges (TC/RCs) given to the smelter and refinery are considered as cash costs. The cash costs includes mining costs, milling

Metal prices as a function of ore grade - MIT

Metal prices as a function of ore grade ... suggest that a rise in the cost of copper has taken place. Prices, costs and grade It seems clear that the relative prices of metals are not arbitrary and are related in some way to their scarcity. Gold and iron are obvious

Production costs of the non-ferrous metals in the EU and ...

Production costs of the non-ferrous metals in the EU and other countries: Copper and zinc. Author links open overlay ... In 2013, the industry imported copper ore mainly from Chile, Peru and Brazil ... Table 2, Table 3 include average values of consumptions and prices respectively, used in calculating the components of the costs for 2013 as ...

Copper Ore price market - trade-metal.com

Copper Ore Price. The page provides a list of copper ore and concentrate selling and purchasing offers. The proposals related to copper commodity and copper ore of different grades of purity and volume of supply from various countries. The information on copper ore international price, copper concentrate price per ton could be found.

how to calculate copper ore prices | Solution for ore mining

Copper Ore With Prices, You Can Buy Various High Quality Copper Ore With Prices Products from Global Copper Ore With Prices Suppliers and Copper Ore With Prices … calculate equivalent copper grade – OneMine Mining and Minerals … calculate equivalent copper grade – OneMine Mining and Minerals Library search results. … calculate an ...

Copper Ore Price, Wholesale & Suppliers - Alibaba

Alibaba.com offers 4,255 copper ore price products. About 18% of these are mine mill, 16% are mineral separator, and 2% are copper ore. A wide variety of copper ore price options are available to you, such as is concentrate, non-concentrate. You can also choose from free samples. There are 4,246 copper ore price suppliers, mainly located in Asia.

Common & Basic Formulas for Mineral Processing Calculations

where R represents the ratio: % Pb in crude ore/% Cu in crude ore Formula (32) is very convenient for milling calculations on ores of this type. Example: An ore contains 5% lead and 1% copper. The ratio of perfect concentration for a concentrate of maximum grade and recoveries of lead and copper …

Mineral Deposit Value - How to Calculate the Potential ...

Before you can calculate the potential mineral deposit value, you first need to gather some specific data regarding the ore body and the individual drill results.. This required data can be found in the mining company's press releases in which they announce their drill results.Make sure that this data is announced according to the guidelines of National Instrument 43-101 (i.e. approved by a ...

Types of Copper Deposits in the World | INN

The average grade of copper ores in the 21st century is below 0.6 percent copper, with the proportion of ore minerals being less than 2 percent of the total volume of the ore rock.

MINERAL PRODUCT PRICING STUDY - IMF

filtered, and then dried to form a powder (copper concentrate). This process is usually able to recover 85 to 95 percent of the copper in the ore. The dried concentrate contains approximately 20 -30 percent copper by mass, 30 per cent iron, 30 per cent sulphur, with the remainder including

(PDF) COST ESTIMATION FOR OPEN PIT MINES: TACKLING COST ...

COST ESTIMATION FOR OPEN PIT MINES: TACKLING COST UNCERTAINTIES ... The type of ore is copper sulphide ... A method is presented to calculate the cost of uncertainty in a …

How do you calculate the price of copper ore from set LME ...

It depends upon nature of ore the most common ore of copper is Copper pyrite CuFeS2. the extraction of copper from this ore involves the following steps, 1-crushing, 2-grinding, 3-concentration of ...

Cut-off grade estimation - QueensMineDesignWiki

In the case of multiple processing options, cut-off grade is used to determine which process or destination the ore will be sent to, by using the following equation: Where U1 is the utility of sending ore to process 1, and U2 is the utility of sending ore to process 2. Utility is defined as the value (economic or otherwise) of selecting a process.

Learning Goals: -What is an ore deposit?

which will help you to decide where to drill. Copper grade is the concentration of copper in the ore rock. To calculate the grade of copper for the sample, geologists use the equation: (amount of copper metal/amount of copper ore rock)*100 2. If a deposit area has 200lbs of copper in 10,000lbs of ore rock, what is the grade? 200/10000*100=2% 3.

Cost Models of Theoretical Mining Operations | CostMine

This mine is an open pit mine producing 5,000 tonnes ore and 5,000 tonnes waste per day. Rock characteristics for both ore and waste are typical of those of granite or porphyritic material. Operating conditions, wage scales, and unit prices are typical for western U.S. mining operations. All costs listed are in 2012 US$.

Copper extraction - Wikipedia

Copper extraction refers to the methods used to obtain copper from its ores.The conversion of copper consists of a series of physical and electrochemical processes. Methods have evolved and vary with country depending on the ore source, local environmental regulations, and other factors.

Estimated Water Requirements for the Conventional ...

Estimated Water Requirements for the Conventional Flotation of Copper Ores . By Donald I. Bleiwas . Introduction . This report provides a perspective on the amount of water used by a conventional copper flotation plant, including the makeup water required to …