Stripping ratio . 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. More

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. Stripping ratios are typically reduced to show the volume of waste removal required to extract one unit ...

The units for stripping ratios can vary and usually depends on the geological properties of the deposit and the commodity mined. It can be expressed in tonnes (t), or cubic meters (m 3).Usually for coal, cubic meters (m 3) or tonnes (t) are used.However, for hard rock mines where the geology is usually complex with the presence of various rock types, tonnage (t) is usually preferred.

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How to calculate stripping ratio? ... David Rhym For example, the usual value of stripping ratio in Kuzbass (Western Siberia, Rissia) open pit mines is 7–9 cu.m per ton. Cite.

Stripping ratios aren't often discussed, but they can be an early and important indicator for mining projects. Here's what investors should know about them.

22-6-2020· 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 to the total cost of producing and…

Stripping ratios can also consider the selling p of coal, and a certain minimum profit can be added to the total cost of producing and. More. What Is a Stripping Ratio? (with picture) 26/10/2019 Stripping ratio is a term that is derived from the mining industry and is used in reference to the open-pit mining process.

13-10-2019· STRIPPING RATIO- Stripping Ratio can be defined as, “It is the ratio between waste & Ore/Mineral." What do you mean by Stripping Ratio??? WASTE = OVERBURDEN ...

Stripping Ratios, Pit Limits & Cutoff Grade Optimization

Calculating Stripping Ratios for Area Strip Mines. Mnge 315 Dr. B. C. Paul spring 2003 revised 2010 Note These notes contain information considered common knowledge to those familiar with Strip Mining. Books such as Elements of Practical Coal Mining and SMEs Surface Mining were specifically referenced

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) …

30-1-2010· Stripping Ratio = Tanah Penutup (ton)/Batubara (ton) Perbandingan antara tanah penutup dengan batubara juga dapat dinyatakan melalui perbandingan volume, akan tetapi perbandingan ini hanya bisa diterapkan apabila density dari kedua material sama. D. Break Even Stripping Ratio (BESR)

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.

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. In relation to its application in the mining of ore, the utility of the stripping ratio is the determination of the approximate ratio of ...

Stripping ratio . In mining, stripping ratio or strip ratio refers to the ratio of the volume of overburden ... “Elements of Practical Coal Mining” and SME's “Surface Mining” were specifically referenced ... Stripping Ratio determines relative amounts of each to be moved. More details » Get Price.

Calculating Stripping Ratios for Area Strip Mines. Mnge 315 Dr. B. C. Paul spring 2003 revised 2010 Note These notes contain information considered common knowledge to those familiar with Strip Mining. Books such as Elements of Practical Coal Mining and SMEs Surface Mining were specifically referenced Stripping Ratio as a Fundamental

stripping costs. A recent KPMG survey revealed that many companies capitalise costs, often using an average life-of-mine stripping ratio approach, while others expense such costs as incurred, or follow the US GAAP approach of allocating all production stripping costs to inventory produced in the period.

Earnings Stripping is a commonly-used tactic used by multinational corporations to escape high domestic taxation by using interest deductions to their foreign headquarters in a friendly tax regime ...

Earnings Stripping is a commonly-used tactic used by multinational corporations to escape high domestic taxation by using interest deductions to their foreign headquarters in a friendly tax regime ...

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. More

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. Stripping ratios are typically reduced to show the volume of waste removal required to extract one unit ...

influence of striping ratio on open cast coal mining influence of striping ratio on open cast coal mining Stripping ratio - Wikipedia, the free encyclopedia In mining, stripping ratio or strip ratio refers ...

Stripping Ratio Considerations - Free download as PDF File (.pdf), Text File (.txt) or view presentation slides online.

13-10-2008· "Stripping Ratio the ratio of the volume of overburden plus extractable rock partings plus inter-zone rock, expressed in cubic meters, that must be removed to recover one metric tonne of coal. This ratio is expressed as cubic meters of rock per tonne of coal and is directly proportional to the cost of recovering the coal.

Economic stripping ratio 经济合理采剥比; Under the determinate boundary or close condition increasing the height of steps can realize steep slope mining and engender more much stope space , which will be propitious to balance stripping ratio, increase storage for exploiting and improve mining intensity and production capacity 摘要在露天矿一定的剥离境界或封闭条件下 ...

Stripping Ratio Calculation In Mining. 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 to the total cost of ...

stripping ratio calculation in mining. Stripping Ratio Truck Mining Scribd. Aug 03, 2011 · Stripping Ratio Download as PDF waste stripping cost ($/Bm 3 ) Simple stripping ratio calculation To The number of mining and stripping faces. Get Price And Support Online; Lecture 4 Calculating Stripping Ratios for Area Strip .

With an exceptionally low life-of-mine stripping ratio of 0.5 times, lower in the early years, QB2 is expected to provide 300,000 metric tons (mt) of copper equivalent production per year for the first five years of mine life.