Stripping ratio , 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

The strip ratio (SR) is the simplest measure of mining efficiency. Defined as the weight of overburden (or waste ore) divided by the weight of oil sands ore, a strip ratio of 2 is considered high but feasible if the ore grade is high enough.

1.4 Stripping Ratio Stripping ratio is defined as the ratio of the Overburden/Cover Rock / Waste Rock to the ore body. The various stripping ratios that are used in surface mining are the following 1.

A strip ratio, or stripping ratio, is an important measurement related to the open pit mining process. It represents the amount of waste material, also known as overburden, that must be moved in

Nov 22, 20160183;32;24th clip Surface Mining (Stripping Ratio) Viriyah Miner. Loading Unsubscribe from Viriyah Miner? Strip Mining for Coal Duration 618. Nanidoy Ifidamem 9,710 views.

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

Nov 05, 20180183;32;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

mining strip ratio sharesguru australian shares forum, the strip ratio is the number of cubic metres of dirt and rock you need to remove to obtain a every tonne

CHAPTER 8 Stripping Ratios, Pit Limits Cutoff Grade Optimization Dr. Teuku Andika R Putra USM 2014 Stripping Ratios The stripping ratio (SR) refers to the amount of waste that must be removed for a given quantity of ore in open pit mining.

The strip ratio (SR) is the simplest measure of mining efficiency. Strip ratio is the fraction of overburden (or waste ore) versus the weight of bitumen rich oil sands. A strip ratio of 2 is considered high but feasible if the ore grade is high enough.

Strip ratio is very important in the mining world. *Information in this current blog is based on information obtained up to mid 2018 and should be considered legacy

Sep 11, 20150183;32;Almost 20 years since the strip mine began and it is still going strong here in Stellarton, Nova Scotia. In another five or six years time the mining should

Energy resources Coal. this is termed strip mining. Such operations are widespread in the western USA In such cases, and where the coal is deeper than the economic stripping ratio, underground mining is the only option. Previous 2.4 Modern mine planning. Next 2.6 Underground mining.

The strip ratio (SR) is the simplest measure of mining efficiency. Strip ratio is the fraction of overburden (or waste ore) versus the weight of bitumen rich oil sands. A strip ratio of 2 is considered high but feasible if the ore grade is high enough.

Calculating Stripping Ratios for Area Strip Mines Mnge 315 you mine over the time Simple Stripping Ratios The 2D Calculating Stripping Ratios for Area Strip Mines Mnge 315 you mine over the time Simple Stripping Ratios The 2D Cross Section The Coal Area Strip Mine Formula Strip Ratio = OB

strip ratio in coal mining. Excavator Excavator is a self traveling mining machine that using the bucket to spade and install stripping things or minerals from working face,

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 31 stripping ratio means that mining one tonne of ore will require mining three tonnes of waste rock.

It can be either one, depending on how the mining is conducted. In past years, areas were strip mined, and waste materials from the mining were left to pile up in many cases, unsafely. Mining

Strip itself is easily understood in coal mining where you may have 20 metres of overburden before you expose a 2 metre coal seam. In this case, it is a simple to just divide the length of the overburden by the length of the coal seam (20/2 = 101 strip ratio) That is coal mining or strip mining at its core.

Oct 18, 20140183;32;Increasing the number of parking garages in a business district Allowing less environmental regulation of businesses and industry Paving more areas in a city to reduce water consumption Planting gardens on roofs to cool buildings in a city Strip mining has what effect on the ecological footprint ratio?

what is stripping ratio coal mining, mining strip ratio sharesguru cubic feet or 1275 tons of coal for a ratio of 1875 if the total cost to mine was 300 per cubic yard, the coal sales price per ton would have to be 3750 to break mining strip ratio sharesguru australian shares forum. Contact Supplier.

CHAPTER 11 Mining Technology The Federal Coal Leasing Amendments Act of 1976 charged OTA to assess the feasibility of the use of deep mining technology on

We divide the overburden thickness by ore thickness to get the stripping ratio For example if we have an overburden thickness of 80m and ore thickness of 50 m , then the stripping ratio will be

The limitations of contour strip mining are both economic and technical. When the operation reaches a predetermined stripping ratio (tons of overburden/tons of coal), it is not profitable to continue. Depending on the equipment available, it may not be technically feasible to exceed a certain height of highwall.

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.

strip ratio in coal mining. Calculating Stripping Ratios for Area Strip Mines Mnge 315 PPT charged to the average stripping ratio you mine over the time Simple Stripping Ratios The 2D australia coal mining stripping ratio Information Research .

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 31 stripping ratio means that mining one tonne of ore will require mining three tonnes of waste rock.

surface strip coal mining, either from a production, project or planning perspective. A 1.3 PRODUCTION COST AND STRIPPING RATIO ANALYSIS 8 1.3.1 Stripping Ratio for Multiple Seams 11 1.4 BASIC PROFIT FUNCTION ANALYSIS 13 2 GEOLOGY AND EXPLORATION

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 31 stripping ratio means that mining one tonne of ore will require mining three tonnes of waste rock.

Oct 09, 20180183;32;Strip mining is done layers where the mining operations go slighter deeper with each pass. The removal of trees, shrubs, and structures is the first step in strip mining. Strip mining is a type of surface mining done in order to access buried deposits of useful minerals.