Why Are Open Pit Mines Used Instead Of Underground Mines

Why are open pit mines used instead of underground mines,Our company is a large-scale heavy enterprise that taking heavy mining machinery manufactory as main products and integrated with scientific research, production, and marketing. We are concentrating on producing and selling machines such as jaw crusher, cone crusher, hammer crusher, ball mill, sand maker, mobile crushing plant

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  • Transition From Openpit To Underground As

    Transition From Openpit To Underground As

    485 journal of mining science vol 45 no 5 2009 transition from openpit to underground as a new optimization challenge in mining engineering

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  • The Mining Life Open Pit Vs Underground  Micromine

    The Mining Life Open Pit Vs Underground Micromine

    Aug 22 2017 the mining life open pit vs underground open pit mines dont have to safeguard against loss of air and caveins but they do have their own set of strict safety guidelines that save lives while there isnt as much of a danger of caveins rock slides and other hazards due to the structural integrity of the material the miners work in are still present

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  • Mining  Underground Mining

    Mining Underground Mining

    Counting against underground mining are the costs which for each ton of material mined are much higher underground than on the surface there are a number of reasons for this not the least of which is that the size of underground mining equipmentbecause of ground conditions ore body geometry and other factorsis much smaller than in the open pit

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  • Basics Of An Open Pit Mine

    Basics Of An Open Pit Mine

    Open pit mines can be used in coal mining and they are used extensively in hard rock mining for ores such as metal ores copper gold iron aluminum and many minerals in a open pit coal mine the pit bottom would be the bottom mined coal seam elevation since it is usually feasible to extract multiple seams when surface mining coal

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  • 5 Huge Gold Mines In The United States

    5 Huge Gold Mines In The United States

    This mine has produced 35000000 ounces of gold which adds up to 1100 tons the goldstrike complex has underground and openpit mines the meikle and rodeo underground mines are located north of the betzepost openpit and these mines are operated by trucks and electric shovels there are 2 processing methods that goldstrike miners use

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  • Optimising Open Pit To Underground Cutover Part One

    Optimising Open Pit To Underground Cutover Part One

    While underground mining has higher ore mining costs than open pit mining the costs typically increase by less as a function of depth as opposed to the contrary occurring in open pit mining there is a point whereby the waste stripping to access additional ore at depth

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  • Pdf Effective Factors Investigation In Choice Between

    Pdf Effective Factors Investigation In Choice Between

    Effective factors in selecting surface or underground before beginning a detailed economic analysis of the factors which enter into deciding whether to mine by openpit or underground mining and what point a change should be made from openpit to underground mining it is necessary to consider some general factors 2

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  • Which Is Cheaper Openpit Mining Or Underground Mining

    Which Is Cheaper Openpit Mining Or Underground Mining

    May 22 2012 answers most large open pit operations can mine rock for under 5ton but if you are talking about the total cost to mine a complete ore body underground mining can be substantially cheaper it all depends on many variables that need to be assessed such as grade geometry rock strength depth metallurgy and location

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  • Performance Of Lte In Mining In 2019  What To Expect

    Performance Of Lte In Mining In 2019 What To Expect

    Sep 25 2019 lte provides undeniable benefits to the unique network challenges encountered both in open pit and underground mining with its promises of predictability connectivity capacity and speed and a significant reduction in the price of lte infrastructure over the last couple of years there is no question why more mines are exploring this technology

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  • Groundwater Problems In Openpit And Underground Mines

    Groundwater Problems In Openpit And Underground Mines

    Ground water constitutes a significant operational problem and potential hazard in openpit and underground mining the pressure of ground water in geologic discontinuities adversely affects the safety of height and slope angles of openpit mines justifying measures to reduce groundwater pressures in their vicinity

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  • Underground Vs Surface Coal Mines Is Deep Drilling

    Underground Vs Surface Coal Mines Is Deep Drilling

    Surface mining strip mining is sensible when the ore body is near the surface the practice includes some of the largest machines on earth removing long strips of overlying soil and rock and then removing coal deposits openpit mining utilizes blasting and mineral removing digger deeper into the earth causing a craterlike result

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  • Openpit Mining  Wikipedia

    Openpit Mining Wikipedia

    Openpit opencast 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 openpit mines are used when deposits of commercially useful ore or rocks are found near the surface

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  • Pdf Effective Factors Investigation In Choice Between

    Pdf Effective Factors Investigation In Choice Between

    As well as before beginning a detailed economic analysis of the factors which enter into deciding whether to mine by openpit or underground mining and what point a change should be made from openpit to underground mining it is necessary to consider some general factors 2

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  • Reading Openpit Mining  Geology  Lumen Learning

    Reading Openpit Mining Geology Lumen Learning

    Reading openpit mining openpit mining or opencast 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 tunneling into the earth such as long wall mining

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  • Open Cut Or Underground Mining  Which Is Better

    Open Cut Or Underground Mining Which Is Better

    Oct 21 2017 opencut mining opencut gets its name because thats exactly what this type of mining looks like a big open pit this type of mining allows for the extraction of minerals that arent very far under the surface the process keeps the activity from going deep underground this has many advantages yet its only viable when the materials are reachable after removing only a small layer from the

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  • Why Are Open Pit Mines Used Instead Of Underground Mines

    Why Are Open Pit Mines Used Instead Of Underground Mines

    So stateowned mining company codelco is trying to why are open pit mines used instead of underground mines crusher plant manufacturer of sbm company is good at stone mining crushing plant our crushing plant manufacturers design and sale jaw crusher impact crusher cone

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  • Why Are Open Pit Mines Used Instead Of Underground Mines

    Why Are Open Pit Mines Used Instead Of Underground Mines

    Why are open pit mines used instead of underground mines crusher plant manufacturer of sbm company is good at stone mining crushing plant our crushing plant manufacturers design and sale jaw crusher impact crusher cone get price basics of open pit mining youtube jul 10 2016 basics of open pit mining mining presentations informative presentation you came across to know about open

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  • Open Cut And Underground Mining  Iminco

    Open Cut And Underground Mining Iminco

    Underground mining is generally used for areas where the mineral seam is too far underground for open cut mining to be of use a tunnel called a decline is created to allow workers and machinery to reach the location of the minerals stope mining is used for most hard rock mining of minerals such as copper silver lead and zinc

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  • Any Alternative Mining Methods  Yahoo Answers

    Any Alternative Mining Methods Yahoo Answers

    Jan 13 2008 answers open pit mining disturbs large areas of the earths surface these mines are generally quite large and the ore being extracted bears extremely small quantities per ton of the substance being mined necessitating the removal of thousands of tons of ore to recover enough product to make the mining profitable

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  • Underground Pumped Storage Hydropower Plants Using Open

    Underground Pumped Storage Hydropower Plants Using Open

    Mar 15 2017 the problem is formulated as shown in fig 1a hypothetical upsh plant whose underground reservoir is an open pit mine is considered of course actual properties of open pit mines are more complex but the goal of the paper is at this stage to assess the general relevance of groundwater exchanges in terms of efficiency

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  • Transition From Openpit To Underground As

    Transition From Openpit To Underground As

    Openpit method and if it proves to greater depths the openpit mine will economically transfer to a suitable underground mining method on the other hand it is essential to exploit the ore

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  • 2 Mining Methods  Copper

    2 Mining Methods Copper

    Open pit mining is a technique used to extract copper ore near the earths surface open pit mining is the most widely used technique of mining copper today it is accomplished by creating and using benches or terraces to gradually reach deeper under the earths surface underground mining is used when the copper ore is not near the earths surface

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