coal mining stripping ratio

Popular Searches




What is stripping ratio in mining?

Jul 25, 2018· 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....

Coal mining

Coal mining is the process of extracting coal from the ground Coal is valued for its energy content and since the 1880s, has been widely used to generate electricity Steel and cement industries use coal as a fuel for extraction of iron from iron ore and for cement production In the United Kingdom and South Africa, a coal mine and its structures are a colliery, a coal mine is ,...

Coal Mining Stripping Ratio

Coal Mining Stripping Ratio Coal surface mining and reclamation costs in appalachia are estimated as a function of reclamation quality the angle of natural terrain and the overburdentocoal stripping ratio when mining to a maximum stripping ratio of 20 the cost of providing minimally acceptable or basic reclamation is 727 online Online Chat...

coal mining stripping ratio

What Is a Stripping Ratio? (with picture) - wisegeek Jun 30, 2019 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 waste material that must be moved in order to reach ,...

In coal mining what is a good strip ratio

In coal mining what is a good strip ratio? Wiki User 2010-07-29 10:13:07 1 Overburden O/B 2 Coal / ore 3 Interburden (or parting), I/B , Coal mining managers often ,...

Cline Mining

Moreover, bauxite ore is strip-mined, which is regarded as an environmentally responsible method of acquiring minerals, when after removing a long stretch of overlying soil and rock, a large percentage of the topsoil is stored and restored to allow for rehabilitation of the mining site In bauxite ore mining, an average of eighty percent (80% ....

Coal Ratio

Where B = breakeven stripping ratio (overburden per ton of coal) in meter 3, R = market price of coal per ton, P = production cost, including cost of mining and preparation but excludes stripping cost per ton of coal, and S = stripping cost per meter 3 of overburden Coal mining in under Indian scenario, the above ratio is given as 25:1 at present rate...

South Walker Creek stars for BHP met coal

New South Wales Energy Coal production decreased 4% due to a higher average strip ratio Cerrejón production decreased 7% due to mine sequence chang Energy coal guidance for the 2019 financial year remains unchanged at approximately 28Mt to 29Mt...

Stripping ratio

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 ,...

Coal mining

Coal mining - Coal mining - Choosing a mining method: The various methods of mining a coal seam can be classified under two headings, surface mining and underground mining Surface and underground coal mining are broad activities that incorporate numerous variations in equipment and methods, and the choice of which method to use in extracting a coal seam ,...

strip ratio in coal mining

SACMA Surface Strip Coal Mining Handbook_rev1pdf - sacea Introduction This handbook on surface strip coal mining serves as a general introduction to the subject of , 13 PRODUCTION COST AND STRIPPING RATIO...

OPENCAST MINING COAL

Operations will ultimately comprise of opencast mining of coal 380 000 T/MTH @ strip ratio of 23 M3/T The opencast mining scope of work includes ongoing rehabilitation This operation is unique in that the management of the project is a Joint Venture formed by ,...

How is coal mined?

Apr 08, 2017· Thanks for A2A ! The selection of process for mining the coal deposit is attributed to various parameters, among those , the important ones are :- 1 Dip of the coal deposit 2 Presence of geological discontinuiti 3 Capital available 4 Dept....

Surface Coal Mining Methods in Australia

Surface Coal Mining Methods in Australia 5 2 Open cut mining methods strip mining Large-scale open cut coal mining operations commenced in Australia in mid 1960s and since then there has been significan t developments in this method of mining The mines are now operating at significantly higher annual tonnages, growing deeper, more complex and...

Stripping ratio & Dragado

May 11, 2017· -- Created using PowToon -- Free sign up at powtoon/youtube/ -- Create animated videos and animated presentations for free PowToon is a free ....

Overburden Removal

Jul 21, 2017· However, in hard rock mining to define the stripping ratio in the example of Fig 1, consider mining of the ore ABC at depth h Having defined the slope angle at this mine section, the waste (overburden) section AICD must be re- moved The ratio of this overburden stripped to mine the ore is known as the average stripping ratio (SR)...

Coal mining

Coal mining is the process of extracting coal from the ground Coal is valued for its energy content and since the 1880s, has been widely used to generate electricity Steel and cement industries use coal as a fuel for extraction of iron from iron ore and for cement production In the United Kingdom and South Africa, a coal mine and its structures are a colliery, a coal mine is a pit, and the ....

what is stripping ratio coal mining

strip ratio in coal mining - Stone Crusher STRIPPING RATIO (S) - Coal Trading Blog Jun 07, 2010 Front Iron Ore Mine Demolition of Iron Ore with Breaker Dismantling of the Iron Ore Carrier Rocks And ....

UNDERGROUND OR OPENCUT COAL MINING

2 As opencut mining costs rise a decision may be made to commence underground, punch or highwall mining 3 Towards the end of underground mining, market and economic conditions may allow a decision to commence open cut mining to recover coal from subcrops, pillars, or to provide greater resource recovery...

12_Stripping Ratios & Pit Limits

1 Introduction to Mining Lecture Unit -Stripping Ratios & Pit Limits Colorado School of Mines Mining Engineering Department Revision: October 22, 2014 Bingham Canyon,Utah, Kennecott Copper 2 Stripping Ratios: Waste units/Ore units Stripping Ratios The stripping ratio (SR) refers to the amount of waste that must be removed for a given quantity ....

IFRS First Impressions

average life-of-mine stripping ratio approach, while others expense such costs as incurred, or follow the , the asset based on an average stripping ratio The interpretation specifies the costs that may be , for example coal...

24th clip Surface Mining (Stripping Ratio)

Nov 22, 2016· 24th clip Surface Mining (Stripping Ratio) Viriyah Miner Loading, Unsubscribe from Viriyah Miner? , Open Cut Coal Mine Planning & Scheduling Software - Duration: 4:38...

Coal mining

Coal mining - Coal mining - Choosing a mining method: The various methods of mining a coal seam can be classified under two headings, surface mining and underground mining Surface and underground coal mining are broad activities that incorporate numerous variations in equipment and methods, and the choice of which method to use in extracting a coal seam depends on many ,...

In coal mining what is a good strip ratio

In coal mining what is a good strip ratio? Wiki User 2010-07-29 10:13:07 1 Overburden O/B 2 Coal / ore 3 Interburden (or parting), I/B , Coal mining managers often make over $100,000 per ....

what is stripping ratio coal mining

strip ratio in coal mining - Stone Crusher STRIPPING RATIO (S) - Coal Trading Blog Jun 07, 2010 Front Iron Ore Mine Demolition of Iron Ore with ,...

Underground vs Surface Coal Mines: Is ,

Trucks and shovels are used to remove excess fragments as a drill systematically bores into the mine, stripping it of coal, typically recovering a higher proportion of the coal deposits than underground mining Strip mining is sensible when the ore body is near the surface The practice includes some of the largest machines on earth, removing ....

How to calculate stripping ratio?

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 ,...

Strip Mining

Auger mining can be used for coal outcrops on a hillside or in strip mines where the stripping ratio has become too high to be economical for strip mining (Schobert, 1987) In auger mining, an auger drills it way into the face of the coal seam, and the coal is removed via conveyor and loaded directly onto a ,...

Strip Mining

Auger mining can be used for coal outcrops on a hillside or in strip mines where the stripping ratio has become too high to be economical for strip mining (Schobert, 1987) In auger mining, an auger drills it way into the face of the coal seam, and the coal is removed via conveyor and loaded directly onto a truck...

Top