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distinguish between surface mining and subsurface mining in nigeria

SURFACE MINING is the extraction of mineral and energy resources near Earths surface by first removing the soil subsoil and overlying rock strata In STRIP MINING a type of surface mining a trench is dug to extract the minerals SUBSURFACE MINING is the extraction of mineral and energy resources from deep underground deposits

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How do surface and subsurface mining differ and how are
How do surface and subsurface mining differ and how are

Nov 20 2016 · SURFACE MININGWhen the ore or mineral is present on near surface or shallow depth then excavation is carried out on the surface and the process to get a mineral known as Surface M this method the deposit of the mineral is present on very small depth such as 50 to 200 mining of mineral should also require economical otherwise other alternatives options are

Nonrenewable Energy Ch17 Flashcards  Quizlet
Nonrenewable Energy Ch17 Flashcards Quizlet

A Surface mining is more expensive than subsurface mining B Surface mining is above ground subsurface mining is below ground C Surface mining causes less environmental damage than subsurface mining D Subsurface mining creates acid mine drainage surface mining does not E Subsurface mining has the potential for dangerous landslides surface mining has the potential for

AP Environmental Science Chapter 15 Flashcards  Quizlet
AP Environmental Science Chapter 15 Flashcards Quizlet

Distinguish between surface and subsurface mining between openpit and strip mines between shaft and slope mines Surface mining is the extraction of mineral and energy resources near Earths surface by first removing the soil subsoil and overlying rock strata

distinguish between surface mining and subsurface mining
distinguish between surface mining and subsurface mining

Surface vs Underground Mining Truth About Surface Mining The fundamental and simple answer is that coal is surface mined because that expected mine roof

The Actual Difference Between Surface and Underground Mining
The Actual Difference Between Surface and Underground Mining

Feb 23 2018 · Type of Ore Surface mining is suitable for large lowgrade ore deposits which occur below a thin layer of rock or alluvial deposits found in sand and riverbeds Underground mining is used for small highgrade deposits covered with a thick overburden soil and rock above the ore or for deep and sloping deposits

Ch 14 Flashcards  Quizlet
Ch 14 Flashcards Quizlet

Miners dig a deep vertical shaft blast open subsurface tunnels and chambers to reach the deposit and use machinery to remove the resource and transport it to the surface Subsurface mining disturbs less than onetenth as much land as surface mining disturbs and it usually produces less waste material

chapter 12 Mineral and soil resources  rosieswebpage
chapter 12 Mineral and soil resources rosieswebpage

b Open pit and strip mining are a form of surface mining Both of these forms of surface mining extract iron copper stone and gravel but open pit mining is where a giant hole or quarry is dug Strip mining is where a trench is dug to obtain the materials c Shaft mining

What is the difference of surface and subsurface mining
What is the difference of surface and subsurface mining

Sep 30 2011 · Subsurface mining is used where the material is in veins deep beneath the surface or obstructed by rock layers water tables or other strata in a way that make surface access impractical

What is the Difference between the surface and subsurface
What is the Difference between the surface and subsurface

Mar 25 2012 · Subsurface mining is used where the material is in veins deep beneath the surface or obstructed by rock layers water tables or other strata in a way that make surface access impractical

What is subsurface mining  Answers
What is subsurface mining Answers

Subsurface mining is used where the material is in veins deep beneath the surface or obstructed by rock layers water tables or other strata in a way that make surface access impractical

Nonrenewable Energy Sources Flashcards  Quizlet
Nonrenewable Energy Sources Flashcards Quizlet

Surface mining is a type of mining in which the surface layer of the earth is removed On the other hand subsurface mining is the extraction of minerals and ores from underground Name one human and one environmental benefit of surface mining

What is surface mining  Answers
What is surface mining Answers

Surface mining is safer and easier than subsurface mining Surface mining does more damage to the environment than subsurface Surface mining creates more of a mess then subsurface or open cut mining

CH 15 Flashcards  Quizlet
CH 15 Flashcards Quizlet

Unwanted rock and other waste materials produced when a material is removed from the earths surface or subsurface by mining dredging quarrying and excavation strip mining Form of surface mining in which bulldozers power shovels or stripping wheels remove large chunks of the earths surface in strips

Underground vs Surface Coal Mines Is   Mining Global
Underground vs Surface Coal Mines Is Mining Global

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

Ecological Effects of Subsurface Mining  dummies
Ecological Effects of Subsurface Mining dummies

Ecological Effects of Subsurface Mining Surface mining techniques don’t work for extracting all valuable geologic resources Diamonds and most metal ores including gold require extensive subsurface mines to access the rocks with these resources in them Subsurface mines are probably what you envision when you think of mining systems

Environmental Problems of Surface and Underground
Environmental Problems of Surface and Underground

subsurface mining is used Surface mining is done by removing stripping surface vegetation dirt and if necessary layers of bedrock in order to reach buried ore deposits Techniques of surface mining include openpit mining quarrying or gathering building materials from an

Is surface or subsurface mining better  Quora
Is surface or subsurface mining better Quora

Generally surface mining is easier cost effective and profitable whereas subsurface mining ie underground mining is done only when the ore body is further away from the ground level and only when profit return is close to certain

Mining Techniques  Geology for Investors
Mining Techniques Geology for Investors

Jun 14 2013 · Mining techniques can be divided into two broad categories surface mining and subsurface mining See Figure 1 Surface mining consists of stripping soil and vegetation away and possibly a limited amount of rock and then removing ore in large quantities Conversely subsurface mining involves sinking a mineshaft and digging tunnels to reach a deposit at depth These two broad

710  Question 21 of 25 40 40 Points The disadvantages
710 Question 21 of 25 40 40 Points The disadvantages

e mining is more expensive than subsurface mining e mining is above ground subsurface mining is below ground e mining causes less environmental damage than subsurface mining face mining creates acid mine drainage surface mining does not face mining has the potential for dangerous landslides surface mining

Extraction and Processing of Minerals  the Environmental
Extraction and Processing of Minerals the Environmental

Surface mining removes ore deposits that are close to the surface and subsurface mining removes minerals that are deep underground While mineral use is very important to us there are also many environmental impacts such as erosion air and water pollution land destruction and harm to

The Difference Between Underground Mining And Surface Mining
The Difference Between Underground Mining And Surface Mining

Apr 21 2014 · The Difference Between Underground Mining And Surface Mining Underground mines are large tunnels that are dug deep into the ground to reach minerals that are too far underground to be reached from surface mines Surface mining can be done on mountain tops or on surface of the beaches The surface of the beach is rich with heavy minerals

What is the difference between openCast mining surface
What is the difference between openCast mining surface

Answer Wiki Opencast Mining is also known as Openpit mining Opencut mining Surface mining and also as Strip Mining Operation of removing overburden and extracting mineral is done by one of the following methods Quarrying ical Opencast working A method of surface mining known as placer mining involves mining

6 Distinguish between subsurface and surface mining
6 Distinguish between subsurface and surface mining

6 Distinguish between subsurface and surface mining Briefly describe the environmental impacts of mining 7 Draw a hypothetical depletion curve

What are mining licences  Answers
What are mining licences Answers

underground mining is done when the rocks minerals of gemstones are too far underground to get out with surface mining some kinds of underground mining are Borehole Mining Drift Mining Hard Rock

What Is Subsurface Mining
What Is Subsurface Mining

A 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

What are the differences between open pit mining
What are the differences between open pit mining

Apr 07 2017 · 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

distinguish between surface mining and subsurface mining in nigeria
distinguish between surface mining and subsurface mining in nigeria

Subsurface mining is a mining method in which soil and rocks are removed to reach underlying coal or minerals It is used to mine ore deposits that are 50 m or more beneath Earth’s surface

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