### break even stripping ratio example for coal mining

Coal Resource Availability, Recoverability, and Economic . For example, the current maximum depth for underground coal mining is . between an analysis using a break-even economic hurdle and inclusion of at least 1 or 2 percent profit to technically meet the definition of reserves is minor, especially for evaluations extensive, very thick, low stripping ratio resources in the PRB.

### Stripping ratio and pit limit - Basic Mining …

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.

### 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.

### break even stripping ratio example for coal mining

break even stripping ratio example for coal mining. One unit of mineral reserve that is mined gives rise to one unit that is sent for processing. On average the time to handle one unit (1/M) is very small for Archean gold deposits (1/160 000) and even smaller for large Wits-type gold deposits (1/1 200 000). Get Price. VSI Crusher. Spiral Classifier. Vibrating Screen. Get Price And Support. 0 ...

### Break Even Stripping Ratio Example For Coal Mining

break even striping ratio - crusher equipment. break even stripping ratio example for coal mining CachedMining definition of Mining in the Free Online Encyclopedia.

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

31.03.2020 · A way of describing the concept of stripping ratio is by looking at it in terms of the level at which the mining process will cease to be profitable. For example, if the mining company must extract one part of ore to three and a half parts of waste in order to break even, it stands to reason that the company will seek to look for mining sites where it can extract at least one part of ore to two …

### Strip Ratio In Coal Mining - plaidwebshop.nl

Stripping ratio Wikipedia. 2020-5-6 · 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.

### Determining Stripping Ratio - Basic Mining …

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.

### stripping ratio coal mining comp,luisha mining …

break even stripping ratio example for coal mining. Break Even Stripping Ratio Example For Coal Mining. In strip coal mining operations the following are sometimes seen Breakeven stripping ratio The instantaneous stripping ratio at the point where For open pit mining the costs are 040ton ore and a stripping cost of 050ton of waste. Online Chat Stripping Ratio Coal Mining Comp. Get Price ...

### 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: What are They and Why are …

Stripping ratios arent often discussed, but they can be an early and important indicator for mining projects. Heres what investors should know about them.

### Break Even Analysis - How to Calculate the Cut …

For conducting a mining project’s break even analysis, you first need to know about the operational expenses (OPEX).When the OPEX is known, you can calculate the mineral’s cut off grade, which is the break even grade, below which it is not economically viable to mine the ore.To find out how I come up with the cost price per tonne (OPEX) if a feasibility study isn’t available, I refer you ...

### Breakeven stripping ratio

break even stripping ratio example for coal mining. break even stripping ratio example for coal mining Coal mining - Wikipedia, the free encyclopedia The goal of coal mining is to obtain coal from the ground. Coal is valued for its energy content, and, since the 1880s, has been widely used to generate ele.HistoryMethods of .

### 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...

### Stripping Ratio Calculation In Mining - cz-eu.eu

Break-even stripping ratio | Britannica. Other articles where Break-even stripping ratio is discussed: mining: Pit geometry: The break-even stripping ratio is a function of ore value and the costs involved. Get Price And Support Online; calculating bcm coal mining - Grinding Mill China. No. Products Photo Info. Operating; 1. (PEW) Jaw Crusher ...

### Stripping ratio | mining | Britannica

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…

### Block Method of Strip Mining

Strip Ratio = Gross Proceeds/ton – Coal Removal Costs/ton/Cost of Overburden Removal/yd³. The only shortcoming with this calculation is that overburden removal costs are not constant, but vary with the size of the stone and the equipment. The calculated break-even strip ratios are. Block Method = 16.7 yd³/ton of coal

### Lecture 4 Calculating Stripping Ratios for Area …

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

### 24th clip Surface Mining (Stripping Ratio) - YouTube

22.11.2016 · 24th clip Surface Mining (Stripping Ratio) Viriyah Miner. Loading... Unsubscribe from Viriyah Miner? ... Open Cut Coal Mine Planning & Scheduling Software - …

### Stripping Ratios, Pit Limits & Cutoff Grade …

Stripping Ratios, Pit Limits & Cutoff Grade Optimization