You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
sbm/sbm limestone mining activi...

36 KiB

sbm limestone mining activities uses environmental concernsAssessing the Ecological Effects of Mining in West Africa. and land use [29] in a manner consistent with the concerns of areas impacted by mining activities in Nigeria.With the negation of the emerging issues in Nigerias mining sector over the years [30 33],this research will fill that void by using a mix scale approach of descriptive statistics and GIS in analyzing the ecological impacts.The Environmental Issues and the Prospects of Mining in Nigeria Environmental Issues and the Prospects of Mining in Nigeria A.F.Ali,A.S.Abdullahi,A.S.Zangina.DUJOPAS 4(2): 531 539,2018 533 untouched sub terrain … Environmental impact of mining Wikipedia Environmental impacts of mining can occur at local,regional,and global scales through direct and indirect mining practices.Impacts can result in erosion,sinkholes,loss of biodiversity,or the contamination of soil,groundwater,and surface water by the chemicals emitted from mining processes.These processes also have an impact on the atmosphere from the emissions of … A novel environmental restoration method for an abandoned.  · In general,exploitation of rock materials,such as limestone or granite exploitation,can cause serious damage to the environment near a mine area.With economic development and the ever increasing demand for ore resources,mining activities have induced. COMMUNITIES COMPANY RELATION IN LIMESTONE MINING … consequences must be included as a key component of development activities.In many developing nations like Nigeria,mining is an important contributor to the national economy.However,the negative environmental impacts of mining are increasingly being recognized as critical (Bridge,2004). Environmental Impacts Of Limestone Quarrying Concerns about the impact of quarrying are hardly new complaints about quarrying activities were voiced as far back as the 1890s the issues of concern havent changed over time visual intrusion damage to landscapes traffic smoke noise dust damage to.Environmental Hazards Of Limestone Mining … Limestone Mining Activities Uses Environmental Concerns Limestone Mining Activities Uses Environmental Concerns.We are a large scale manufacturer specializing in producing various mining machines including different types of sand and gravel equipment,milling equipment,mineral processing equipment and building materials equipment. Limestone Quarrying And Processing Environmental Effects Environmental Problems with Limestone Quarries eHow.Limestone quarrying and other mining activities can have disastrous effects on.Nearly all mining processes generate vast amounts of waste water,and. How Does A Limestone Quarry Harm The Environment How Does A Limestone Quarry Harm The Environment.Environmental Hazards Of Limestone Mining.A valuable natural resource,limestone has many uses in construction,agriculture and industryimestone quarries can be above ground or underground,and can cover large areas environmental hazards from mining operations depend in part on the location,characteristics and … 10 Advantages and Disadvantages of Quarrying Limestone.  · Quarried limestone is a durable building material.The Great Pyramids were built using limestone.Modern buildings have stood for centuries with this material.It is also easily accessible near the surface,which makes it possible for most quarries to have a minimal impact on the surrounding environment. Environmental Impacts of Mining: A Study of Mining. 2017 8 19 · The mining sector in Ghana consists of both small scale and large scale mining,each of which has varying environmental impacts.This paper provides an exposition on the environmental impacts of mining activities in Ghana.The paper mainly focused on the mining activities in Prestea in the western region of the country. Effects Limestone Environmental effects of mining to the ecosystem due to massive excavation and removal of soil and rock layers (Joseph & Yeboah,2008).Throughout the world,limestone mining activities have marked negative environmental impacts in view of the fact that limestone mining involves extraction of limestone from Limestone: Rock Uses,Formation,Composition,Pictures Uses of Limestone.Limestone is a rock with an enormous diversity of uses.It could be the one rock that is used in more ways than any other.Most limestone is made into crushed stone and used as a construction material.It is used as a crushed stone for road base and railroad ballast. Mineral Mining and Processing Effluent Guidelines. EPA promulgated the Mineral Mining and Processing Effluent Guidelines and Standards (40 CFR Part 436) in 1975,and amended the regulation in 1976,1977,1978,and 1979.The regulation covers wastewater discharges from mine drainage,mineral processing operations and stormwater runoff. CASE STUDIES OF ENVIRONMENTAL IMPACTS OF SAND … 2018 11 17 · CASE STUDIES OF ENVIRONMENTAL IMPACTS OF SAND MINING AND GRAVEL EXTRACTION FOR URBAN DEVELOPMENT IN GABORONE by.Erosion and environmental degradation occur due to continuous mining.Miners.4.2.7 Activities of respondents at and around mining … What are the effects of mining limestone on the environment The greenhouse gases produced in the process of mining and in the manufacture of cement from limestone are the great concerns for the environment.The quarrying of limestone … impact of mining limestone Environmental Hazards of Limestone Mining.Concerns about the impact of quarrying are hardly new. Seahipub aimed at assessing the impact of limestone mining activities on water quality in the area. Limestone: The Calcium Carbonate Chemical Sedimentary Rock Uses of Limestone.Limestone has many industrial uses and can be used as mined or processed into a wide variety of products.It is the raw material for a large variety of construction,agricultural,environmental,and industrial materials.Limestone is used in construction almost everywhere. How Does Limestone Affect the Environment? Reference.com Limestone mining can pollute water and create sinkholes.When limestone dissolves while it's still in the ground,caves and gullies form,a natural phenomenon known as karst.Although this doesn't hurt the environment in its natural form,once the limestone is mined out,sinkholes can form and disrupt underground waterways. Environmental Impacts of Mining: A Study of Mining. The mining sector in Ghana consists of both small scale and large scale mining,each of which has varying environmental impacts.This paper provides an exposition on the environmental impacts of mining activities in Ghana.The paper mainly focused on the mining activities in Prestea in the western region of the country.The data A procedure to evaluate environmental rehabilitation in. In addition to the environmental impacts associated with most mining activities,limestone quarrying has the potential to cause a particular set of impacts due to the karstic nature of the terrains (Van Beynen and Townsend,2005,North et al.2009). Sector Wide Impact Assessment of Limestone,Gold and Tin. Limestone,Gold and Tin Mining in Myanmar.Myanmar Centre for Responsible Business.Environmental,Social and Health Impact Assessment.ESMS.Environmental and Social Management System.can be granted for a range of mining activities,includinglarge scale,medium environmental impact of limestone mining How Does Limestone Affect the Environment? Reference.com.While limestone itself doesn't affect the environment,limestone mining can have a negative impact.On the other hand,the environment can affect limestone by breaking it down.Limestone mining can pollute water and create sinkholes.When limestone dissolves while it's still in the. Environmental Hazards of Limestone Mining Sciencing Environmental Hazards of Limestone Mining.Other products that use limestone include breakfast cereal,paint,calcium supplements,antacid tablets,paper and white roofing materials.Limestone is a karst forming rock,which produce landforms that are formed by dissolution,and represents about 10 percent of the world's land surface. effects of limestone mining on the environment What are the effects of mining limestone on the environment The greenhouse gases produced in the process of mining and in the manufacture of cement from limestone are the great concerns for the environment. impact of mining limestone Mine Equipments What are the effects of mining limestone on the environment The greenhouse gases produced in the process of mining and in the manufacture of cement from limestone are the great concerns for the environment.Environmental. Seahipub aimed at assessing the impact of limestone mining activities on water quality in the area. Top 10 Ways to Make Mines More Environmentally … 2020 2 29 · This creative trend of scrap mining,or utilizing ever reusable resource for other mining initiatives,stems from the recognition of the environmental costs of excessive materials use.Mining exacts a severe and sometimes irreversible toll on public health,water and air quality,fish and wildlife habitat,and community interests. What are the effects of mining limestone on the environment Sep 20,2010 · The greenhouse gases produced in the process of mining and in the manufacture of cement from limestone are the great concerns for the environment.The quarrying of limestone as masonry produces no. quarry National Geographic Society A quarry is a place where rocks,sand,or minerals are extracted from the surface of the Earth.A quarry is a type of mine called an open pit mine,because it is open to the Earth's surface.Another type of mine,a sub surface mine,consists of underground tunnels or shafts.The most common purpose of quarries is to extract stone for building materials. Top 10 Ways to Make Mines More. Mining Global  · This creative trend of scrap mining,or utilizing ever reusable resource for other mining initiatives,stems from the recognition of the environmental costs of excessive materials use.Mining exacts a severe and sometimes irreversible toll on public health,water and air quality,fish and wildlife habitat,and community interests. What environmental problem in New York state makes. Jun 25,2014 · New York state has acid rain.This environmental problem makes limestone a poor choice for the outside of a building because the limestone can be eaten away. 1.1 PHASES OF A MINING PROJECT 2019 2 4 · activities associated with site preparation and clearing can have significant environmental impacts,especially if they are within or adjacent to ecologically sensitive areas.The EIA must assess,separately,the impacts associated with site preparation and clearing.1.1.3 Active mining Once a mining company has constructed limestone cement mining environmental effects environmental impact of limestone mining.What are the effects of mining limestone on the environment.The greenhouse gases produced in the process of mining and in the manufacture of cement from limestone are the great concerns for the environment. What environmental problem in New York state makes.  · New York state has acid rain.This environmental problem makes limestone a poor choice for the outside of a building because the limestone can be eaten away. Aspects of limestone mining Aspects of limestone mining Tallinn 26.04.2016 Chief Geologist HåkanPihl,Nordkalk Corp.Quarry permit within the scope of the Environmental Act Limestone is not a concession mineral.Balance issues targetting efficient use of all mined natural resource. mitigation of environmental impacts of limestone quarrying Effects Of Mining Limestone On The Environment.environmental impact assessment on limestone mining.What are the effects of mining limestone on the environment.But most limestone is mined for the manufacture of cement,and this is a real problem.in the year 1986 after assessing the various limestone deposits available in the. Environmental Impact Of Limestone Mining Environmental Impacts Of Coal And Limestone Mining.Environmental impact of limestone mining Hydrochemical Impacts of Limestone Rock Mining drainage originating from the coal and ore mining processes in general and openpit mining in particular are well documented in the literature Cherry et al 2001 Skousen et al 2002.Details 1.1 PHASES OF A MINING PROJECT ELAW 1.1 PHASES OF A MINING PROJECT There are different phases of a mining project,beginning with mineral ore exploration and ending with the post closure period.What follows are the typical phases of a proposed mining project.Each phase of mining is associated with different sets of environmental impacts.1.1.1 Exploration A novel environmental restoration method for an abandoned. May 30,2018 · In general,exploitation of rock materials,such as limestone or granite exploitation,can cause serious damage to the environment near a mine area.With economic development and the ever increasing demand for ore resources,mining activities have induced. How Does Limestone Affect the Environment? Reference.com While limestone itself doesn't affect the environment,limestone mining can have a negative impact.On the other hand,the environment can affect limestone by breaking it down.Limestone mining can pollute water and create sinkholes.When limestone dissolves while it's still in the ground,caves and gullies form,a natural phenomenon known as. Environmental Hazards of Limestone Mining Education. A valuable natural resource,limestone has many uses in construction,agriculture and industry.Limestone quarries can be above ground or underground,and can cover large areas.Environmental hazards from mining operations depend in part on the location,characteristics and extent of the mining. Impact of silica mining on environment mechanism,large scale illegal mining is posing threat to regional eco sustainability.Increase in production and opening of new mines is generating pressure on environmental attributes.The key environmental problems arising out of mining activities in the study area are; Land Deterioration: Land degradation is one of the How do quarries effect the environment? Quora  · In a number of ways Environmental Impact * Most directly quarrying removes rock and soil depleting natural resources and changes the topography and impacts the natural drainage pattern.* In addition,quarrying comes with associated problems like. Environmental impact of mining Wikipedia Environmental impacts of mining can occur at local,regional,and global scales through direct and indirect mining practices.Impacts can result in erosion,sinkholes,loss of biodiversity,or the contamination of soil,groundwater,and surface water by the chemicals emitted from mining processes.These processes also have an impact on the atmosphere from the emissions of carbon which have. Environmental Hazards of Limestone Mining … A valuable natural resource,limestone has many uses in construction,agriculture and industry.Limestone quarries can be above ground or underground,and can cover large areas.Environmental hazards from mining operations depend in part on the location,characteristics and extent of the mining … Life cycle impact assessment of artisanal sandstone mining. These concerns have raised an awareness among mining companies to assess environmental performance and health implications of their activities and identify areas for improvement in order to reduce burdens that this sector puts on the environment and human health. 16.3 Mining Regulations and Mine Reclamation Flashcards. 16.3 Mining Regulations and Mine Reclamation.STUDY.Flashcards.Learn.Write.Spell.Test.PLAY.Match.Gravity.Created by.Clara Leitner PLUS.Terms in this set (12) mining regulations.because of environment impacts of mining,it is the most heavily regulated industries in the US.Reclaiming the land or returning it to its original. Life cycle impact assessment of artisanal sandstone mining. These concerns have raised an awareness among mining companies to assess environmental performance and health implications of their activities and identify areas for improvement in order to reduce burdens that this sector puts on the environment and human health. Extraction of Resources Geology Mining is the extraction of valuable minerals or other geological materials from the earth from an orebody,lode,vein,seam,or reef,which forms the mineralized package of economic interest to the miner.Ores recovered by mining include metals,coal,oil shale,gemstones,limestone,dimension stone,rock salt,potash,gravel,and clay.Mining is required to obtain any material that cannot. Hydraulic Impacts of Quarries and Gravel Pits inventory found 165 active operations,88% of which were limestone quarries (Nelson and others,1990).That same inventory counted 1,367 inactive operations,70% of which were limestone quarries.Aggregate mining is an extractive use of resources: mining alters the landscape and its natural hydrologic system. Quarrying and the environment Quarrying Foundations of. The issues of concern haven't changed over time visual intrusion,damage to landscapes,traffic,smoke,noise,dust,damage to caves,loss of land,and a deterioration in water quality.Mining and quarrying have taken place on Mendip for well over 2000 years. environmental hazard of quarrying limestone near the … environmental hazard of quarrying limestone near the sea.environmental hazards of limestone mining.geography enviromental hazard of limestone mining Environmental Impacts of Mining Activities Environmental Hazard Of.Get Price And Support Online.What Are Limestone Quarries chatin.Environmental Hazards of Limestone Mining ". MANAGEMENT OF MINING,QUARRYING AND ORE … 2016 6 17 · The notion of environmental impact of mining activities is only fully meaningful if it.to which environmental concerns are addressed in these national laws,varies from Member States to Member States.Management of mining,quarrying,and ore processing waste in the European Union.Management of mining,quarrying,and ore processing. How Does A Limestone Quarry Harm The Environment Environmental Ethical And Economic Issues Of.How does a limestone quarry harm the environment environmental problems with limestone quarri limestone quarrying and other mining activities can have disastrous effects onairborne dust can travel many miles from a mining site and affect the health of chat with sales chat online environmental. How Does A Limestone Quarry Harm The Environment How Does A Limestone Quarry Harm The Environment.Environmental Hazards Of Limestone Mining.A valuable natural resource,limestone has many uses in construction,agriculture and industryimestone quarries can be above ground or underground,and can cover large areas environmental hazards from mining operations depend in part on the location,characteristics and. The Benefits and Effects of Limestone Sciencing Contractors use limestone as a building material,but it's also finely crushed and added to make Portland cement.On its own,limestone's natural beauty often adorns the floors of bathrooms,kitchens and other areas of the home.As decorative floor tiles,limestone offers a … MANAGEMENT OF MINING,QUARRYING AND ORE … 2016 6 17 · The notion of environmental impact of mining activities is only fully meaningful if it.to which environmental concerns are addressed in these national laws,varies from Member States to Member States.Identification and analysis of potential environmental impacts of mining waste.43 2.3.1.Identification of potential pollution. Environmental Hazards of Limestone Mining Education Se, Environmental Hazards of Limestone Mining Education. Limestone and Crushed Rock Department of Energy purposes of this report,limestone will be used as a sample for crushed rock.One product of limestone mining is lime.A wide range of industries use lime for a myriad of uses.It is used in many of the products and materials Americans use every day,including paper,steel,sugar,plastics,paint,and many more.The largest single use of Potential Environmental Impacts of Quarrying Stone in. Potential Environmental Impacts of Quarrying Stone in Karst— A Literature Review By William H.Langer Open File Report OF 01 0484 2001 This report is preliminary and has not been reviewed for conformity with U.S.Geological Survey (USGS) editorial standards Environmental Impacts of Mining: A Study of Mining. The mining sector in Ghana consists of both small scale and large scale mining,each of which has varying environmental impacts.This paper provides an exposition on the environmental impacts of mining activities in Ghana.The paper mainly focused on the mining activities in Prestea in the western region of the country.The data Aspects of limestone mining envir.ee Aspects of limestone mining Tallinn 26.04.2016 Chief Geologist HåkanPihl,Nordkalk Corp.Quarry permit within the scope of the Environmental Act Limestone is not a concession mineral.Balance issues targetting efficient use of all mined natural resource … Limestone and Crushed Rock purposes of this report,limestone will be used as a sample for crushed rock.One product of limestone mining is lime.A wide range of industries use lime for a myriad of uses.It is used in many of the products and materials Americans use every day,including paper,steel,sugar,plastics,paint,and many more.The largest single use of environmental impact of limestone mining [mining plant] Environmental Hazards of Limestone Mining .Underground mining of limestone can cause a cascading environmental impact.Mining in the karst can lower the water table,which removes the support of rock. Coal Mining: A Threat to Alabama Waters Southern.  · Coal Mining: A Threat to Alabama Waters.the largest coal producing regions in the South,with more than 100 permitted coal mines.But the Alabama Department of Environmental Management (ADEM) has consistently failed to enforce environmental laws to prevent this intensive mining from harming water quality.Coal mining activities that. environmental problems with limestone quarries Environmental Hazards of Limestone Mining Sciencing.Environmental Hazards of Limestone Mining Because contaminants in ground water move faster through limestone than other types of rocks,quarries in karst areas must be especially careful.Quarrying also removes the entire subcutaneous zone,an important ground water storage area. MINING Sustainable Development Mining This aspect of the EIA process allows for the participation of the public through provision of information on the project and the opportunity to voice their concerns on proposed development projects,including proposed mining activities.Environmental Impact Assessment (EIA) and Monitoring of all Mining Operations Boral Marulan South Operations Boral 2020 3 2 · Boral's Marulan South Operations are among the most important in the organisation's entire resource and manufacturing portfolio.They consist of the Marulan South Limestone Mine and the Peppertree Quarry.Both make a substantial contribution to the ongoing growth of Assessing the Ecological Effects of Mining in West Africa. With the activities in the sector characterized by production and a growing environmental decline often overlooked.This research uses a mix scale approach of descriptive statistics and GIS methodology in analyzing the ecological impacts of mining in Nigeria.Emphases are on the issues,environmental and spatial analysis of the trends,factor s environmental effects of quarrying A valuable natural resource,limestone has many uses in construction,agriculture and industry.Limestone quarries can be above ground or underground,and can cover large areas.Environmental hazards from mining operations depend in part on the location,… WHOSE SIDE ARE YOU: A RAPID ASSESSMENT ON … 2018 4 26 · Lawyer and an individual to conduct the Environmental Impact Assessment (EIA) who are his relatives.National Environment Management Authority (NEMA) also purported to have done EIA in 2012; however the findings were not accessible.KCG was represented in the mining activities by the County Minister of Environment, COMMUNITIES COMPANY RELATION IN LIMESTONE … consequences must be included as a key component of development activities.In many developing nations like Nigeria,mining is an important contributor to the national economy.However,the negative environmental impacts of mining are increasingly being recognized as critical (Bridge,2004). Environmental Impacts of Mining: A Study of Mining. 2018 4 1 · The mining sector in Ghana consists of both small scale and large scale mining,each of which has varying environmental impacts.This paper provides an exposition on the environmental impacts of mining activities in Ghana.The paper mainly focused on the mining activities in Prestea in the western region of the country.The data Marble And Its Impact On The Environment Limestone While marble is naturally durable,it needs to be sealed to prevent damage to its beauty.The sealant used includes very few chemicals and prevents you from having to use more chemical cleaners to clean it as well.You can simply use a damp cloth and soapy water to wipe it down.Reducing the use of chemicals helps the environment. Health Hazards of Mining and Quarrying ILO Encyclopaedia The principal airborne hazards in the mining industry include several types of particulates,naturally occurring gases,engine exhaust and some chemical vapours; the principal physical hazards are noise,segmental vibration,heat,changes in barometric pressure and ionizing radiation.These occur in varying combinations depending on the mine or quarry,its depth,the composition of the ore and. effects of limestone mining on the environment What are the effects of mining limestone on the environment The greenhouse gases produced in the process of mining and in the manufacture of cement from limestone are the great concerns for.to ensure that environmental effects of mining activities in the area are.Environmental concerns fail to stop expanded rock mining in. Mining: Negative Effects On The Environment,Animals. Mar 03,2020 · Additional environmental issues with mining are Carbon Output (causing air pollution),Erosion (causing land pollution) and Endangered Species Habitat,Water Use and Wastewater (using water and polluting water) Case studies on negative environmental impacts of mining can be found for Greenland,China,and Molycorp Potential Environmental Impacts of Quarrying Stone in. 2002 2 7 · Potential Environmental Impacts of Quarrying Stone in Karst— A Literature Review By William H.Langer Open File Report OF 01 0484 2001 This report is preliminary and has not been reviewed for conformity with U.S.Geological Survey (USGS) editorial standards Environmental Hazards of Limestone Mining Sciencing In humid climates,limestone dissolves quickly and is carried away by water.This creates caves which can become weak and collapse.Underground mining of limestone can cause a cascading environmental impact.Mining in the karst can lower the water table,which removes the support of rock that overlies water filled caverns,which can create. environmental impact of limestone mining Mar 10,2017· Many cite coal mining and the subsequent environmental impacts but limestone quarrying should not be equated with mining and obtaining nonrenewable fossil fuels.Limestone doesn't get combusted to produce energy.List of Advantages of Limestone Quarrying.1. Mining Wikipedia Mining is the extraction of valuable minerals or other geological materials from the Earth,usually from an ore body,lode,vein,seam,reef or placer deposit.These deposits form a mineralized package that is of economic interest to the miner.Ores recovered by mining include metals,coal,oil shale,gemstones,limestone,chalk,dimension stone,rock salt,potash,gravel,and clay. Environmental Impact Of Limestone Mining Environmental Impact Of Limestone Mining.We are a large scale manufacturer specializing in producing various mining machines including different types of sand and gravel equipment,milling equipment,mineral processing equipment and building materials equipment. Limestone Minerals Education Coalition Limestone.Limestone is a sedimentary rock composed mostly of the mineral calcite and comprising about 15% of the Earths sedimentary crust.It is a basic building block of the construction industry (dimension stone) and a chief material from which aggregate,cement,lime and building stone are made.71% of all crushed stone produced in the U.S.is either limestone or dolomite. (PDF) LIMESTONE MINING AND ITS ENVIRONMENTAL … LIMESTONE MINING AND ITS ENVIRONMENTAL IMPLICATIONS IN MEGHALAYA,INDIA.environmental issues of coal mining in northeast.manufacturing activities leading to … Environmental impact of mining Wikipedia Environmental impacts of mining can occur at local,regional,and global scales through direct and indirect mining practices.Impacts can result in erosion,sinkholes,loss of biodiversity,or the contamination of soil,groundwater,and surface water by the chemicals emitted from mining processes.These processes also have an impact on the atmosphere from the emissions of carbon which have. How Does Limestone Affect the Environment? … While limestone itself doesn't affect the environment,limestone mining can have a negative impact.On the other hand,the environment can affect limestone by breaking it down.Limestone mining can pollute water and create sinkholes.When limestone dissolves while it's still in the ground,caves and gullies form,a natural phenomenon known as. Limestone Mining Environmental Aspects The greenhouse gases produced in the process of mining and in the manufacture of cement from limestone are the great concerns for the environment.Read more Comprehensive Environmental Impact Assessment of Limestone Mine Only Positive Impacts Of Mining Limestone Only Positive Impacts Of Mining Limestone.social impact assessment report prepared for ame and environmental positive impacts of mining limestone40 000 tons per annum tpa of limestone in terms of a mining right over a limited footprint of its existing social impacts and to enhance positive and the environment balancing benefits and costsdue Health Hazards of Mining and Quarrying ILO Encyclopaedia The principal airborne hazards in the mining industry include several types of particulates,naturally occurring gases,engine exhaust and some chemical vapours; the principal physical hazards are noise,segmental vibration,heat,changes in barometric pressure and ionizing radiation.These occur in varying combinations depending on the mine or quarry,its depth,the composition of the ore and. Environmental Ethical And Economic Issues Of … No Longer Just a Hole in the Ground The Adaptive.of quarries with greater consideration to environmental impact and biodiversity.3.Introduction: Impacts of Quarrying A quarry is an area from which resources such as marble,limestone,sand and granite are extracted for industrial use.