Stripping Ratio Mining

Stripping Ratios: What are They and Why are They …

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.

Stripping ratio | mining | Britannica

30-7-2020· 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 ratio and pit limit - Basic Mining Techniques

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.

How to calculate stripping ratio? - ResearchGate

For instance: If the thickness waste rock (overburden) is 100m and the thickness of coal is 50m then stripping ratio would be 2:1. That means one m3 (cubic meter) of coal would need mining two m3 ...

What Is a Stripping Ratio? (with picture) - wiseGEEK

9-5-2020· Esther Ejim Last Modified Date: June 30, 2020 . 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 ...

Stripping Ratio Calculation In Mining - cz-eu.eu

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 . Get Price And Support Online; stripping ratio in coal mining - crusherasia.

Whats the average stripping ratio of open pit mines around ...

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.

(PDF) Stripping Ratios, Pit Limits & Cutoff Grade ...

Stripping Ratios, Pit Limits & Cutoff Grade Optimization

what is stripping ratio coal mining

Stripping ratio mining Britannica. In 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 Read More

Stripping Ratio Calculation In Mining - cz-eu.eu

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 . Get Price And Support Online; stripping ratio in coal mining - crusherasia.

What is stripping ratio in mining? - Quora

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 wil...

stripping ratio calculation in mining - Sians Karaoke

Overall Stripping Ratio (OSR) Allowable Stripping Ratio (ASR) 5 3 26 5 The next scenario evaluated is the UG option alone The BCOG of the deposit was calculated applying the same equation used in the first scenario however changing the OP mining costs for UG mining costs and the result found was a BCOG of 1 33 g/t From the calculation of

Stripping Ratio | Mineral Production Activities ...

6. Stripping ratio . The main factor in designing a n open pit mine, which largely determines the cost of mining, is the stripping ratio.. Stripping is the removal of waste rock from above and around the orebody. Stripping ratio is defined as the tonnage of waste rock to be mined, divided by the tonnage of ore to be mined from the pit.

1 4 Stripping Ratio | Surface Mining | Mining | Free 30 ...

After going through this lecture you will be able to 1. list and define stripping ratios (K, C) 2. calculate various stripping ratios for given situations (C, Ap) 3. explain the influence of stripping ratios on planning decisions (A, S) 4. assess the most economic method of mineability of a deposit by surface mining or underground mining from the limiting stripping ratio (A, S, E)

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

mining engineering: STRIPPING RATIO (S)

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 to switch * Major capital …

Determining Stripping Ratio - Basic Mining Techniques

The maximum allowable Stripping Ratio (SR max) defines break even stripping ratio (BESR).This represents the highest possible units of waste that can be handled. If the SR exceeds the BESR then the operation will be uneconomical as the income generated by the ore is insufficient to offset the costs incurred in mining.

Break-even stripping ratio | Britannica

24-7-2020· In coal mining: Contour strip mining. 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.

Determining Stripping Ratio - Basic Mining Techniques

The maximum allowable Stripping Ratio (SR max) defines break even stripping ratio (BESR).This represents the highest possible units of waste that can be handled. If the SR exceeds the BESR then the operation will be uneconomical as the income generated by the ore is insufficient to offset the costs incurred in mining.

what is stripping ratio coal mining - zorg-saam.nl

coal mining stripping ratio Grinding Mill ... what is stripping ratio coal mining ppt - zenith Machinery is a specialist manufacturer of Coal beneficiation plant. Read More Rhineland Lignite Mining - Mining Technology- what is stripping ratio coal mining,The new Garzweiler II mine will replace capacity from Bergheim and Garzweiler ...

break even stripping ratio example for coal mining

penentuan break even stripping ratio - naanandcurrych. Break-even stripping ratio | Britannica In coal mining: Contour strip mining 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 Get price.

effect of stripping ratio in coal mining-ZXing Machinery

Land Degradation due to Mining in India and its Mitigation . The ratio of overburden excavated to the amount of mineral removed is called the stripping ratio For example a stripping ratio of 4 1 means that 4 tonnes of waste rock are removed to extract one tonne of ore Lower the ratio the more productive the mine Stripping ratio varies with the area under mining According to the data generated ...

mining engineering: STRIPPING RATIO (S)

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 to switch * Major capital …

What Is Stripping Ratio Coal Mining Ppt

What Is Stripping Ratio Coal Mining Ppt. Longwall mining a form of underground coal mining where a long wall of coal is mined in a single slice increasing the pit slope angle by only a few degrees can decrease stripping costs tremendously or increase revenues through increased ore

Break-even stripping ratio | Britannica

24-7-2020· In coal mining: Contour strip mining. 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.

what is a strip ratio in mining - valdichianamusei.it

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.

Lecture 4 Calculating Stripping Ratios for Area Strip ...

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

Surface mining planning and design of open pit mining

9-1-2016· vii) Stripping Ratio The ratio is most commonly expressed as: Strip Ratio (SR) is the mass of waste to be mined to obtain one unit mass of ore. Waste (tons) SR = ----- Ore (tons) For example, a 3:1 stripping ratio means that mining one cubic meter of ore will require mining …

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