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strip mining and subsurface mining

Openpit Mining Removing ore to leave a crater Quarrying An openpit mine for construction materials Strip Mining Ore is removed in parallel strips Mountaintop Removal Top of a mountain is blasted to remove deep ore Dredging Ore is removed from a river bottom The main methods of underground mining are Room and Pillar Mining Removing ore while leaving behind some for roof support

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  • Strip Mining Openpit Mining Surface Mining Mining +

    Strip Mining Openpit Mining Surface Mining 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 openpit mining

  • Strip mining Britannica +

    Strip mining Britannica

    Strip mining removal of soil and rock overburden above a layer or seam particularly coal followed by the removal of the exposed mineral The common stripmining techniques are classified as area mining or contour mining on the basis of the deposit geometry and type The cycle of operations for both techniques consists of vegetation clearing soil removal drilling and blasting of

  • The Environmental Science of Surface Mining dummies +

    The Environmental Science of Surface Mining dummies

    Strip mining Strip mining as the name describes is a process of removing rock and soil in strips to get to the valuable mineral ores miners extract the resources they put back the leftover rock and soil called mining spoils or tailings to fill in the hole One way to replace tailings is to simply dump them luckily US regulations require mining companies to replace

  • What Are Some Concerns To Subsurface Mining +

    What Are Some Concerns To Subsurface Mining

    What Are Some Concerns To Subsurface Mining THE ENVIRONMENTAL EFFECTS OF STRIP MINING A ll mining operations have a disruptive effect on the environment but the sheer volume of material involved in strip mining makes the impact on the environment especially acute Surface mining another name for quotstrip miningquot can severely erode the soil or reduce its fertility pollute waters

  • Chapter 23 Guide Minerals and Mining Flashcards Quizlet +

    Chapter 23 Guide Minerals and Mining Flashcards Quizlet

    Subsurface mining doesnt remove the unneeded soils or rock out of the way instead it uses big machines to dig deep underground into deposits that hold the same minerals and energy under the Earths surface Strip mining is where a trench is dug to obtain the materials

  • Basic Information about Surface Coal Mining in Appalachia +

    Basic Information about Surface Coal Mining in Appalachia

    Oct 06 2016 · Overland flow and subsurface flows indicated by arrows form seeps or springs d and channelized flows e that integrate features of the entire landscape including riparian vegetation and diverse instream biological communities B After mining

  • Types of Surface Mining American Mine Services +

    Types of Surface Mining American Mine Services

    Strip Mining Strip mining gets its name from the fact that the process involves stripping the surface away from the mineral that’s being excavated usually coal Soil rock and vegetation over the mineral seam is removed with huge machines including bucketwheel excavators This type of mining makes sense when the mineral is near the surface

  • What is Surface Mining with pictures +

    What is Surface Mining with pictures

    Nov 26 2020 · Surface mining is a method of mining used to extract minerals and metals which are near the surface of the Earth There are three basic types of surface mining open pit mining strip mining and quarry methods are much more economical than underground mining yet they can have a more significant impact on the surrounding environment unless efforts are taken to

  • Types of Surface Mining American Mine Services +

    Types of Surface Mining American Mine Services

    Strip Mining Strip mining gets its name from the fact that the process involves stripping the surface away from the mineral that’s being excavated usually coal Soil rock and vegetation over the mineral seam is removed with huge machines including bucketwheel excavators This type of mining makes sense when the mineral is near the surface

  • Strip mining Britannica +

    Strip mining Britannica

    Strip mining removal of soil and rock overburden above a layer or seam particularly coal followed by the removal of the exposed mineral The common stripmining techniques are classified as area mining or contour mining on the basis of the deposit geometry and type The cycle of operations for both techniques consists of vegetation clearing soil removal drilling and blasting of

  • How does strip mining differ from subsurface mining +

    How does strip mining differ from subsurface mining

    Feb 27 2016 · But briefly strip mining is economically necessary to extract some mineral resources such as coal when the overburden is not too thick In such cases an underground mine would be costly and probably unsafe

  • Quarry Mining OpenPit Mining Strip Mining Mining +

    Quarry Mining OpenPit Mining Strip Mining Mining

    In other words a quarry is a big manmade hole in the ground from where minerals or rock are taken out Quarries are made when big deposits of commercially helpful minerals or rock are found close to the Earths surface Quarrying is a type of mining and is also called as open pit mining or strip mining

  • Surface Mining Techniques used in the Oil Sands Oil +

    Surface Mining Techniques used in the Oil Sands Oil

    SURFACE MINING ≠ STRIP MINING Although sometimes mistakenly referred to as strip mining oil sands is actually mined from an openpit below several meters of mining is the mining of a relatively flat deposit very close to the surface commonly used in coal or phosphate industries

  • A Brief Introduction to the Types of Surface Mining +

    A Brief Introduction to the Types of Surface Mining

    Strip mining requires some of the largest equipment ever built such as bucketwheel and dragline excavators Mountaintop Removal In some sites mineral deposits are present near the peaks of mountains However they are too deep to be removed by drilling tunnels from the sides In such sites the ore is accessed by removing the rock above the

  • Pros and Cons of Strip Mining +

    Pros and Cons of Strip Mining

    Feb 25 2015 · 2 Strip Mining Is Faster Most other mining techniques require the digging of tunnels which adds additional time to the process Strip mining does not rely on the digging of tunnels and since the route to the surface is much shorter this also cuts down on the amount of time spent

  • Ecological Effects of Subsurface Mining dummies +

    Ecological Effects of Subsurface Mining dummies

    Subsurface mines are probably what you envision when you think of mining systems of tunnels and vertical shafts with elevators to take miners underground where they can retrieve the valuable resources Subsurface mines produce large amounts of environmentally hazardous acid mine keep the underground system of tunnels and mine shafts clear mining companies have to pump out large

  • Surface mining SlideShare +

    Surface mining SlideShare

    Oct 16 2015 · • Surface mining is also know as Open pit Open cast and Strip Mining • Sump should be located at the bottom of the Mine • Height and width of the bench • Drilling and blasting 6 SURFACE MINING 7 METHOD OF SURFACE MINING INCLUDES • Openpit mining Which is the recovery of materials from an open pit in the ground

  • Mining Techniques Geology for Investors +

    Mining Techniques Geology for Investors

    Sep 11 2020 · Other surface techniques include quarrying and strip mining Subsurface mining can be done in many ways with a vast number of terms to describe each type However all types involve digging tunnels or shafts to access a resource that is too far below the surface or too spread out to use a surface technique and remain economical

  • strip mining in a sentence Sentence examples by +

    strip mining in a sentence Sentence examples by

    Examples of strip mining in a sentence how to use it 53 examples They thought that strip mining of that energy source would be profitable We

  • What Are the Advantages and Disadvantages of Surface Mining +

    What Are the Advantages and Disadvantages of Surface Mining

    Mar 25 2020 · 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 20th century when new machines made moving earth easier

  • Mineral Resources and Mining Earth Sciences Quiz Quizizz +

    Mineral Resources and Mining Earth Sciences Quiz Quizizz

    What type of mining would most likely be used if a resource is concentrated in deep pockets in ground that is safe for tunneling answer choices subsurface mining

  • What is Strip Mining Definition from Safeopedia +

    What is Strip Mining Definition from Safeopedia

    Strip mining is a mineralextraction process in which a layer or seam of undesired material called “overburden” is removed from the surface of an area to allow efficient access to a desired material existing underneath the layer being stripped

  • 5 Pros and Cons of Strip Mining Flow Psychology +

    5 Pros and Cons of Strip Mining Flow Psychology

    Materials such as coal and tar sand are located relatively near the surface of the earth The method to recover such materials is called strip mining a form of surface mining where surface vegetation soil and rocks are removed in strips and often times together with controlled explosions in order to make the removal process more efficient

  • What is Surface Mining with pictures +

    What is Surface Mining with pictures

    Nov 26 2020 · Surface mining is a method of mining used to extract minerals and metals which are near the surface of the Earth There are three basic types of surface mining open pit mining strip mining and quarry methods are much more economical than underground mining yet they can have a more significant impact on the surrounding environment unless efforts are taken to

  • What Is Subsurface Mining +

    What Is Subsurface Mining

    Apr 16 2020 · Subsurface mining is the removal of deposits from the earth by drilling underneath layers of rock and dirt These deposits are difficult to reach from the surface and require the drilling of vertical or horizontal shafts for access The shafts are reinforced with supports before workers access the tunnels

  • What is the Difference between Strip mining and +

    What is the Difference between Strip mining and

    Dec 03 2009 · Strip mining is the practice of mining a seam of mineral by first removing a long strip of overlying soil and rock the overburden It is most commonly used to mine coal or tar sand Strip mining is only practical when the ore body to be excavated is relatively near the surface This type of mining uses some of the largest machines on earth

  • SubSurface mining whats the point Frontier Forums +

    SubSurface mining whats the point Frontier Forums

    Mar 11 2019 · They are as I understand rare when stripmining and I imagine that if they are present in subsurface they will probably be as rare hence mostly impossible to find You would hope fdev would do a balance pass at some stage but unless the forums revolt it probably wont be anytime soon as others have said balance is a thing fdev

  • Sub Surface Mining Pros and cons +

    Sub Surface Mining Pros and cons

    Pros and cons of subsurface mining feb 25 2015 183 detractors point to the controversies surrounding this following is a closer examination of the pros and pros of strip recovery rate other forms of mining do not guarantee the same rate of return as strip mining

  • Mining Marspedia +

    Mining Marspedia

    Strip Mining When resources are available close to the surface a strip mine is the most efficient method of extraction The layers of regolith covering the resource are taken away and the exposed ore is mined This method is also called openpit mining or regolith harvesting depending on the depth of the work Subsurface Mining Methods

  • Strip Mining an overview ScienceDirect Topics +

    Strip Mining an overview ScienceDirect Topics

    Andrew P Schissler in Encyclopedia of Energy 2004 23 Strip Mining Strip mining is employed in coal reserves where the overburden is removed in rectangular blocks in plan view called pits or strips The pits are parallel and adjacent to each other Strip mining is fundamentally different from contour or area mining on how the overburden is displaced called spoil handling

  • disadvantages of sub surface mining +

    disadvantages of sub surface mining

    disadvantages of subsurface mining Pros and Cons of Strip Mining Vision Launch Strip mining is a form of resource collection that involves dirt removal from a very large area to sift through it disadvantages of sub surface mining India disadvantages of sub surface miningby company public report is for some of theand drawbacks of

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