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WL200387 PwC page 1 of 3 July 2011 New guidance on accounting for stripping activities – a big issue for the energy and resources industry Application date: A draft interpretation was issued in August 2010. In 2011, the IFRIC will

2018/07/25· 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

Stripping ratio - Wikipedia, the free encyclopedia 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 volume of .

2020/05/08· Average ROEs in the mining industry range between 5% and 9%, with the best-performing companies producing ROEs closer to 15% or more. The ratio is calculated by dividing net income by stockholders ...

Stripping Ratios, Pit Limits & Cutoff Grade Optimization

2016/04/30· Since mining vehicles and conveyors are equipped with weightometers, mining metrics are typically measured in tonnes, not volume. If the bitumen grade of the oil sands and the strip ratio is known, the TV:BIP ratio can be

Lecture 4 Calculating Stripping Ratios for Area Strip Mines - Free download as Powerpoint Presentation (.ppt), PDF File (.pdf), Text File (.txt) or view presentation slides online. bREAK EVEN STRIPPING RATIO

Lecture 4 Calculating Stripping Ratios for Area Strip Mines - Free download as Powerpoint Presentation (.ppt), PDF File (.pdf), Text File (.txt) or view presentation slides online. bREAK EVEN STRIPPING RATIO

2010/06/06· Stripping ratio allows definition of this "breakeven" point Switch to underground mining if your stripping ratio is more than BESR a. May or may not be economically feasible * Consider value of ore b. Major expense/effort is required ...

2017/08/24· 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 …

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

2020/05/16· If the break-even stripping ratio remains favourable, further cuts into the hillside will be made. Otherwise, if there are sufficient reserves under the knob of the hill, the coal may be recovered by underground mining or by augering.

2020/03/31· Stripping ratio is a term that is derived from the mining industry and is used in reference to the open-pit mining process. The stripping ratio method of calculating the profitability of the mining procedure is commonly used in the ore or coal mining process. mining process.

2016/08/31· Even if there was an average of ALL open pit mines that would not offer any knowledge regarding open pit mining. The stripping ratio in a mine is chosen based on economics. A high grade orebody ...

BESR-2 = Recovable Value - Poduction Cost / Stripping Cost dalam ton/ore BESR-2 untuk menentukan maksimal berapa ton waste yang disingkirkan untuk memperoleh 1 ton ore agar tahap penambangan ini masih memberikan keuntungan (max allowable stripping ratio) dan untuk menentukan batas pit (pit limit).

Rational economic stripping ratios ABSTRACT: The economic stripping ratio used to define an economic mining block in an open pit coal mining situation is rationalised by considering the time ... Frequently Asked Questions - Semirara Mining Corporation It indicates the ratio between waste moved in cubic meters for every metric ton of coal produced, such that a 10:1 strip ratio …

2017/12/20· The stripping ratio (SR) refers to the amount of waste that must be removed for a given quantity of ore in open-pit mining. It is commonly expressed as: It is commonly expressed as: SR=Waste (tons ...

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. [1]

Stripping ratio is expressed broadly as the ratio of waste to ore. It's simply calculating how much waste has to be removed to expose how much of ore to be mined. Stripping ratio determines where the pit limit will be.

2020/05/18· Other articles where Stripping ratio is discussed: coal mining: Choosing a mining method: …calculated with the aid of stripping ratios, which represent the amount of waste material that must be removed to extract a given amount of coal. Stripping ratios can also consider the selling price of coal, and a certain minimum profit can be added …

2018/10/31· Stripping ratios aren't often discussed, but they can be an early and important indicator for mining projects. A strip ratio, or stripping ratio, is an important measurement related to the open ...

Stripping ratio and pit limit Gideon Gipmai Yowa (July, 2017) Senior Instructor, Mining Eng. Dept., PNG University of Technolog... As requested by some good readers of this blog for numerical examples of ore reserve estimation

ANALISIS STRIPPING RATIO DALAM MENENTUKAN SUATU METODE PENAMBANGAN BATUBARA DI AREA

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High stripping ratio requires careful planning - Mining Weekly 6 Dec 2002 ... This is due to the high stripping ratio of 19:1 at the mine, meaning for every ton of reef, there is 19 t of overburden. Louw, who learnt the mining ...

3 Stripping Ratios Instantaneous stripping ratio: The stripping ratio for a given push back Overall stripping ratio: The stripping ratio for the total amount of material removed. Break-even stripping ratio: The instantaneous stripping ratio at the point where the cost of stripping the waste exactly equals the value of the ore uncovered.