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because opencast mining doesnt require shafts and tunnels to be built unlike other approaches such as deep mining. it is on the surface so transportation costs from underground to ground level do not exist. insurance costs for miners may be lower as there is no risk of the mine 'caving in'.
What else can I help you with?
Compare surface and subsurface mining?
Surface Miningeasier than subsurface miningdoes more damage to environmentcreates more of a messSubsurface Miningit is very dangerousyou retrieve minerals from undergroundyou have very little air underground
How do you minimize effects of mining?
How do you minimize the harmful effects of mining?
What kind of jobs are supported by aquamarine?
Geologists, surveyors, miners, tool makers, iron producers, mining equipment manufacturers, tire companies, fuel providers, truckers, detergent suppliers, jewelers, jewelry store workers, shipping companies, lapidary equipment providers, restaurant service workers, and many others would be supported by the production of aquamarine.
Is it cheaper to buy an ipod touch at walmart or target?
target is cheaper $195.00 with 40 target card
What are two negative impacts of mining?
Mining usually tears up large areas of the countryside. A lot of effort goes into recovery of sites, and this costs in terms of dollars, energy and time. Mining, particularly underground mining, is a dangerous business. Many miners are killed or injured every year in accidents (particularly in China). Additionally, mining is conducted to recover ore or aggregates. Processing ore to recover metal takes energy and creates lots of opportunities for pollution. Pollution from the recovery of metal from ore is a serious issue.
What is the opposite of opencast mining?
The opposite of opencast mining is underground mining, where minerals are extracted beneath the earth's surface through tunnels and shafts rather than through open pits.
What is a method of mining that involves excavating from the surface?
OPENCAST
What do you mean by opencast mining?
Opencast mining is a surface mining technique where minerals are extracted from the earth by removing the overlaying rock or soil. This method is used when deposits are close to the surface and involves the use of heavy machinery to extract the resources. It is also known as open-pit mining.
What is the difference between opencast mining and shaft mining?
Opencast mining involves extracting minerals from an open pit, while shaft mining involves digging tunnels or shafts deep underground to access mineral deposits. Opencast mining is typically used for shallow mineral deposits, whereas shaft mining is used for deeper deposits that cannot be easily accessed from the surface.
What is opencast mining?
Opencast mining is a surface mining technique used to extract minerals or other resources that are located close to the surface. It involves removing the overlying layers of soil and rock to access the ore deposits underneath. This method is often used for coal, copper, and iron ore mining.
What has the author WDavid Evans written?
W.David Evans has written: 'The Geology and Opencast Mining of the Jurassic Ironstones of Great Britain'
How do Filipino mining companies differ from Thai mining companies?
Thai mining companies have Thais running/working it and Filipino minining companies have, you guessed it, Filipino's in it.
What are two ways to mine coal?
Coal is mined by two methods: surface or 'opencast' mining or underground or 'deep' mining.The choice of mining method largely depends on the geology of the coal deposit. Underground mining currently accounts for a bigger share of world coal production than opencast; although in several important coal producing countries surface mining is more common.
Why is open mining cheaper than deep mining?
it is cheaper because for deep mining ,the more deeper the minerals lies, the more difficult it is to discover and the more expensive to mine
Top 10 mining company in the Philippines?
There are more than 10 mining companies located in the Philippines. A few of the mining companies are Bulawan, Chamber of Mines, and Bandoro Mining Inc.
What type of mining companies are there in Colorado?
there is only two types of mining companies in Colorado. Gas mining and electricity minings.
How many Private mining companies are there India?
please tell me the name of mining companies in india
