Advantages Of Surface Mining Of Coal Compared To Underground Mining

Supporters of strip mining are lauding the efficiency of the process compared to the more traditional underground mining for them the cost and safety for this kind of method is so much better than the traditional one heres a for instance the recovery rate of materials using this method is around 80 to 90 compared to the 50 of tunnel miningn

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 technological economicn

Apr 27 2015 the many advantages of underground mining selection always depends on the geometry properties of the deposit its position location and type generally startup explorers and miners begin with openpit mining because it is cheaper easier and safern

Feb 23 2018 surface mining is commonly used to extract coal and copper and increasingly precious metals like gold underground mining is used for gold platinum zinc lead and increasingly coal as can be seen surface mining is much more advantageous than its counterpartn

Underground mining requires huge investments but it promises better yields compared to surface mining 3 underground mining facts you probably didnt know about here are some underground mining facts many newbies in the industry should know aboutn

The advantages of surface mining are it is cheaper to extract the ore or metal than underground mining read more surface mining methods and equipment eolss description includes a comparison of the advantages and disadvantages of surface and underground mining as well as briefn

Surface mining also called strip mining delivers economically vital supplies of coal which powers transportation and creates consumer products boosting local economies this type of mining occurs primarily on mountaintops and dates back to the early 20thn

Sep 24 2015 list of pros of strip mining 1 it is much more efficient compared to underground mining those who advocate for strip mining believe that the recovery rate of materials is higher using the method it is estimated that about 80 to 90 of the material can be recovered compared to the 50 recovered using tunnel miningn

Jun 24 2015 first off coal extraction is not difficult whether it is mined on the surface or underground between opencast mining surface and deep mining underground the former recovers 90 or more of the coal compared to the latter which basically means that miners do not have to go deep in the earth all the timen

Longwall mining accounts for 50 percent of coal mines in the world and is much safer than other methods of coal mining if done right the process is much more profitable as resource recovery is dramatically improved about 80 percent compared with about 60 percent for roomandpillarn

Under similar conditions surface mining is generally regarded to be more advantageous than underground mining in the selection between surface and underground exploitation methods there are a number of most significant factors must be brieflyn

In the previous topic we saw which are some of the advantages that can make the surface open pit mining methods superior method compared to the underground mining however underground mining has its own advantages and finally the ultimate decision to mine from the surface or from underground comes down to the specific characteristics of the depositn

Surface mining strip mining open pit mining mountain top removal advantages cheap disadvantages removes all overburden trees soil rocks etc obliterates natural communities bc everything has been removed leads to erosion causes sulfuric acid runoff subsurface mining advantages removes the least amount of unwanted material so less wasten

Under similar conditions surface mining is generally regarded to be more advantageous than underground mining in the selection between surface and underground exploitation methods there are a number of most significant factors must be brieflyn

Surface underground mines also require additional energy and expenditure for ventilation air conditioning if required transportation to the surface pumping and lighting surface mining is generally considered to provide better recovery grade control flexibility safety and working environmen ts than underground mining figure 3 shows an

Aug 22 2009 the advantages of surface mining are it is cheaper to extract the ore or metal than underground mining less chance of workers dying from toxicn

Feb 25 2015 for those who are unfamiliar strip mining is a form of surface mining that focuses on the collection of tar sand and coal which both rest somewhat close to earths surface those who support strip mining point to the increased ease of access and all of its attendant benefits detractors point to the controversies surrounding this method the following is a closer examination of the pros and consn

Oct 16 2015 advantages of surface mining like underground mining no minerals are blocked as shaft pillars supports roadways etc roof control and ventilation is not required low cost as compared to underground mining low labor requirement than underground mining hazards and dangers are lesser than underground miningn

Mar 13 2018 the advantages of open pit mining pit mining is more cost effective than shaft mining because more ore can be extracted and more quickly the working conditions are safer for the miners because there is no risk of cave in or toxic gas open pit mining is the preferred method for mining gold silver and uranium this type of mining is also used to dig for coal and building stonen

Apr 15 2019 there are several other industries dependent on mining hence any regulations affecting mining industry as a whole will affect other dependent industries advantages it is cheaper and is capable of extracting more amount of resources the financial and economic benefits that it provides to communities involved in the activity of coal miningn

Oct 21 2017 coal is the largest portion of underground mining it represents 60 percent of global coal production besides coal underground can be used to mine gold or copper in underground mining there are two methods bordandpillar and longwall bordandpillar bordandpillar is the oldest mining method a grid of tunnels is created in the areas of mineral contentn

Often surface mining is preferred over underground mining or subsurface mining for numerous reasons this type of mining produces fewer complications regarding water and electricity it is much less expensive and it is safer than these other types of mining the advantages of coal and mineral mining it creates employment for a lot of peoplen

Broadly speaking there are two types of mines underground and surface considering the latter surface mining includes largescale opencast mines that are kilometres long and wide and more than 300 metres deep mines such as these supply manganese ironn

In the previous topic we saw which are some of the advantages that can make the surface open pit mining methods superior method compared to the underground mining however underground mining has its own advantages and finally the ultimate decision to mine from the surface or from underground comes down to the specific characteristics of the depositn