Apr 02 2018· The Witwatersrand gold mine in South Africa is an excellent example of underground mining that exploits gold from ancient rocks at depths of up to 4 km underground What is open pit mining On the other hand open-pit mining is the most common mining and ranges from very low-priced minerals to finely disseminated gold deposits
Feb 23 2018· As mining progressed the ore deposits began running out making it necessary to seek them deeper inside the ground This historical event highlights the difference between two techniques of mining which are used even today - surface and subsurface mining Let us …
What is the difference between opencast underground mining The advantages of open cast mining • More cost effective than shaft mining winning minerals The differences between underground mining and opencast mining are largely technical and financial and the relative merits are based largely on these when deciding method to deploy
Apr 21 2014· The Difference Between Underground Mining And Surface Mining 1 The Difference Between Underground Mining And Surface Mining The process of removal of essential mineral ores or geological substances from soil or sand is called mining These minerals are of great value and are abundantly available in rocks and earth s surface
Dec 09 2012· Open-pit Mining Opencast Mining Open-cut Mining Strip Mining … Open-pit mining also known as … countries are not likely to make a difference among an open-pit mine and other kinds of open-cast mines …Underground Mining … More detailed
Mar 07 2013· what is the difference between an open pit mine a quarry and an … Open-cast mining shaft mining quarrying… can any one give …Aug 18 2008 · … and later by underground methods The Big hole… More detailed
what is the difference between an open pit mine a quarry and an underground mine with shafts please give the answer as soon as possible and give your answer in points - Social Science - Minerals and Energy Resources
Oct 26 2018· Shaft mining or shaft sinking is excavating a vertical or near-vertical tunnel from the top down where there is initially no access to the bottom When the top of the excavation is the ground surface it is referred to as a shaft when the top of
Open cast mining is a type of surface mining in which mineral resources are removed from the earth through large holes or pits dug into the surface The term open cast mining is used most commonly in Great Britain In the United States open cast mining is usually called open-pit or open-cut mining
Strip Mining Strip mining is a kind of surface mining The ore is very near to the surface of the land but has one or more layers of rock and filth on top of it To mine the ore these layers have to be removed The steps in strip mining are similar to open-pit mining
What is the difference between opencast mining and shaft mining In open cast miniing the earth surface is simly dug out to take minerals which are shallow in shaft mining we should put bores to take minerals which are deep under the earth
difference between open cast mining and shaft mining manufacturer in Shanghai China difference between open cast mining and shaft mining is manufactured from Shanghai Xuanshi It is the main mineral processing solutions XSM stone crushing machine project-difference between open cast mining and shaft mining
There are several different ways to mine underground You can build spiral tunnels that circle the deposit sink vertical shafts adjacent to the ore or create adits which are horizontal excavations into the side of a hill or mountain Unlike open pit underground mining requires that you take into account a wide variety of added requirements
What is the difference between opencast underground mining The advantages of open cast mining • More cost effective than shaft mining winning minerals The differences between underground mining and opencast mining are largely technical and financial and the relative merits are based largely on these when deciding method to deploy
Both are forms of surface-mining Out here in the western states of America strip-mining is largely associated with coal open-pits more with metal mines of various kinds I know of a small copper mine in Utah and a phosphate mine in northern Idaho that kind of operates in the area between …
What is the difference between opencast mining and shaft mining the more difficult it is to discover and the more expensive to mine Deep shaft mining open-cast mining adit mining
What is the difference between an opencast mine … Sep 06 2006 · What is the difference between an opencast mine and an open pit … mine shafts also one of the … and extracted from an open pit an example would be a quarry… More detailed
What is the difference between opencast mining and shaft mining In open cast miniing the earth surface is simly dug out to take minerals which are shallow in shaft mining we should put bores to take minerals which are deep under the earth
Nov 28 2012· What is the difference between an opencast mine … Sep 06 2006 · What is the difference between an opencast mine and an … Open pit mining … the surface and extracted from an open pit an example would be a quarry… More detailed
distinguish between open cast mining and shaft mining State One Difference Between Open Cast Mining And Shaft Mining State One Difference Between Open Cast Mining And Shaft Mining Prompt Caesar is a famous mining equipment manufacturer well-known both at home and abroad major in producing stone crushing equipment mineral separation equipment limestone grinding …
Answer There are many differences between open cast and underground mining When minerals and deposits are found close to the surface and spread across a large distance the best way to mine is to use the open cast mining method
Shaft mining or shaft sinking is excavating a vertical or near-vertical tunnel from the top down where there is initially no access to the bottom Shallow shafts typically sunk for civil engineering projects differ greatly in execution method from deep shafts typically sunk for mining projects When the top of the excavation is the ground surface it is referred to as a shaft when the top
What are the differences between open-cut and underground mining Open Cut Mining There are many differences between open cut and underground mining When minerals and deposits are found close to the surface and spread across a large distance the best way to mine is to use the open cut mining …
Strip mining and subsurface mining Strip mining or surface mining is performed when surface soil and rock are stripped off to reach the mineral of concern When such operations are done surface water bodies lakes streams etc gets acidity Acid mine drainage occurs when water molecules infiltrates the spoil banks The water reacts with sulfide minerals to produce sulfuric acid
for this question you simply need to say what mining is and what quarrying is here is how you write the answer Mining is the extraction of metals from their ore and quarrying is the digging up
Open-pit open-cast or open cut mining is a surface mining technique of extracting rock or minerals from the earth by their removal from an open pit or borrow This form of mining differs from extractive methods that require tunnelling into the earth such as long wall mining Open-pit mines are used when deposits of commercially useful ore or rocks are found near the surface
Open-pit open-cast or open cut mining is a surface mining technique of extracting rock or minerals from the earth by their removal from an open pit or borrow This form of mining differs from extractive methods that require tunnelling into the earth such as long wall mining Open-pit mines are used when deposits of commercially useful ore or rocks are found near the surface
Sep 06 2006· Best Answer An open cast is when it s a huge open area with no roof so you can look in and it lets the sun in big enough to drive trucks around in Like if the Grand Canyon was a mine Look up Kimberley s big hole for an idea Open pit is when …
What is the difference between opencast mining and shaft mining In open cast miniing the earth surface is simly dug out to take minerals which are shallow in shaft mining we should put bores to take minerals which are deep under the earth
Apr 21 2014· The Difference Between Underground Mining And Surface Mining 1 The Difference Between Underground Mining And Surface Mining The process of removal of essential mineral ores or geological substances from soil or sand is called mining These minerals are of great value and are abundantly available in rocks and earth s surface