What are the negative effects of open-cast mining? Quora

Having been worked in an open cast(OC) metal mine for 3 years, I can give some insight on the negative effects of OC mining in India at least. The first two images show how open cast and underground mining is done. Open cast mine Underground mine

Mitigating the environmental effects of opencast mining

Opencast mining operations in South Africa remain one of the industry’s main contributors to short- and long-term environmental damage, as they have a direct and cumulative impact on the air

Open Pit Mining Pros & Cons Sciencing

Open-pit mining is much safer than shaft mining. In underground mining, the threat of a cave-in or release of toxic gas is a constant concern. When shaft mining was the most common method of ore extraction, thousands died in cave-ins, gas events and accidents involving equipment. In 1907 alone, more than 3,200 deaths related to mining occurred.

Environmental impact of mining Wikipedia

With open cast mining the overburden, which may be covered in forest, must be removed before the mining can commence. Although the deforestation due to mining may be small compared to the total amount it may lead to species extinction if there is a high level of local endemism. Oil shale

Opencast Mining an overview ScienceDirect Topics

The open-pit or open cast mining method is the obvious choice for a property with wide area of mineralization exposed or exists close to the surface and continues to greater depth. The open pit is opening the orebody from the surface by separate removal of ore and associated waste rocks.

adverse effects of open-cast coal mining Coal Health

Globally, no research has yet been undertaken on the health effects of open-cast coal-mining operations which span such large spatial extents and decades-long time scale as those pending for the Douglasdale area of Scotland.

Environmental Risks of Mining

Open pit mining. Open pit mining, where material is excavated from an open pit, is one of the most common forms of mining for strategic minerals. This type of mining is particularly damaging to the environment because strategic minerals are often only available in small concentrations, which increases the amount of ore needed to be mined.

Effects Of Mining on the Environment and Human Health

Aug 22, 2018· Strip mining. Strip mining (also known as open cast, mountaintop or surface mining) involves scraping away earth and rocks to get to coal buried near the surface. In many cases, mountains are literally blasted apart to reach thin coal seams within, leaving permanent scars on the landscape as a

Negative impacts of open-cast mining on the environment

A major part of iron ore, non-ferrous metals, brown coal, building materials and minerals for industry is being excavated in open-cast mines. This type of mining has a deep impact on the natural strata. Open-cast mining changes geological, hydrological and geotechnical conditions. It influences the existing ecological system and landscape.

What are the environmental effects of opencast mining? Quora

Perhaps the biggest is dust loading into the atmosphere, but there are a host of environment impacts; each situation has its own unique aspect with varying degrees of the following, so the impacts are not listed in order of magnitude: Removing nat...

Effects Of Mining on the Environment and Human Health

Aug 22, 2018· Strip mining. Strip mining (also known as open cast, mountaintop or surface mining) involves scraping away earth and rocks to get to coal buried near the surface. In many cases, mountains are literally blasted apart to reach thin coal seams within, leaving permanent scars on the landscape as a

Negative impacts of open-cast mining on the environment

A major part of iron ore, non-ferrous metals, brown coal, building materials and minerals for industry is being excavated in open-cast mines. This type of mining has a deep impact on the natural strata. Open-cast mining changes geological, hydrological and geotechnical conditions. It influences the existing ecological system and landscape.

Environmental Consequences of Open Pit Mining Blogger

Mar 14, 2012· An open pit mine is a type of excavation where surface and subsurface materials (soil and rock) are removed, typically through use of explosives and mechanical mining and hauling equipment, to gain access to commercially valuable ores or other buried natural resources, including coal and gemstones, that are relatively close to the surface.

Environmental Effects of the Open Cast Mining a Case Study

Jordan has huge limestone reserves which are used to produce aggregates for construction purposes. These reserves are very important economic sectors in Jordan, but many of these reserves belong to quarries that are located near urban territories. The mining operation type is mainly open cast and this activity has fugitive dust sources that contribute to increasing air quality levels in the

Environmental Effects of the Open Cast Mining a Case Study

Jordan, Limestone, Open Cast Mining, Aggregate, Particulate Matter (PM10), Airborne PM 1. Introduction Limestone in Jordan has a broad distribution, occurs in different stratigraphic levels with several meters of thickness, and presents with huge reserves in many parts of the country as shown in Figure 1. It is used for con-

Effect of opencast mining on soil fertility

Effect of opencast mining on soil fertility Mrinal K Ghose Centre of Mining Environment, Indian School of Mines, Dhanbad 826 004 Received 05 June 2004; accepted 08 October 2004 In the process of opencast mining, several changes occur in physical, chemical, and microbiological properties of soil as a result of mining and storage.

What Is Open Cast Mining? Reference

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.

What Are the Disadvantages of Opencast Mining? Reference

Opencast mining, also known as surface mining or strip mining, has disadvantages that include disturbance of the environment and local ecosystems, exposure of radioactive elements and contamination of freshwater sources. The use of heavy machinery and blasting techniques also create environmental pollution.

(PDF) Impact of Mining on Soil Quality: A Case Study from

Abstract: The present study comprises of soil analyses of Hingula open cast coal mine, Angul District, Orissa, India to evaluate the effect of coalmining on t he health of mineworkers and other

The effects of open‐cast coal mining on agricultural land

Anne‐Marie Baker and Alan Younger, The influence of nitrogen and early drainage on production from grazed and cut grassland restored after opencast mining, Journal of the Science of stone and Agriculture, 41, 1, (17-27), (2006).

Effects Of Open Cast Mining

Effects Of Open Cast Mining; Effects Of Open Cast Mining. Our company has been devoted to mining machinery for 40 years. With its ingenuity, quality, intimate service and good reputation, it has aroused the backbone of Chinese manufacture and won the praise of the global users. We also choose us as a successful enterprise and a bright future

Economic Impacts of Open Pit Mining Bizfluent

Business processes for mining include physical design methods, scheduling collections, expelling and removal of waste materials from the pit. In the United States, there are several open pit-mining projects in operation, extracting daily to support three levels of economics; local, country and global, with commodities worth billions of dollars.

health effects of open-cast coal mining Coal Health

There has been no commissioned research into the effects of open-cast coal mining on the health of Douglasdale residents. There has, however, been a single individual, Dr. Dick van Steenis, who has investigated the health impacts of open-cast coal mining as a public service, and without payment.

Environmental Effects of the Open Cast Mining a Case Study

Jordan, Limestone, Open Cast Mining, Aggregate, Particulate Matter (PM10), Airborne PM 1. Introduction Limestone in Jordan has a broad distribution, occurs in different stratigraphic levels with several meters of thickness, and presents with huge reserves in many parts of the country as shown in Figure 1. It is used for con-

(PDF) Impact of Mining on Soil Quality: A Case Study from

Abstract: The present study comprises of soil analyses of Hingula open cast coal mine, Angul District, Orissa, India to evaluate the effect of coalmining on t he health of mineworkers and other

The effects of open‐cast coal mining on agricultural land

Anne‐Marie Baker and Alan Younger, The influence of nitrogen and early drainage on production from grazed and cut grassland restored after opencast mining, Journal of the Science of stone and Agriculture, 41, 1, (17-27), (2006).

Effects Of Open Cast Mining

Effects Of Open Cast Mining; Effects Of Open Cast Mining. Our company has been devoted to mining machinery for 40 years. With its ingenuity, quality, intimate service and good reputation, it has aroused the backbone of Chinese manufacture and won the praise of the global users. We also choose us as a successful enterprise and a bright future

health effects of open-cast coal mining Coal Health

There has been no commissioned research into the effects of open-cast coal mining on the health of Douglasdale residents. There has, however, been a single individual, Dr. Dick van Steenis, who has investigated the health impacts of open-cast coal mining as a public service, and without payment.

About coal mining impacts Greenpeace International

Jul 01, 2016· Underground mines, which provide the majority of the world’s coal, allow coal companies to extract deep coal deposits. About 40 percent of the world’s coal mines are the more damaging strip mines (also called open cast, open pit, mountaintop or surface mining). Strip mining impacts. Strip mining is highly destructive.

‘We’ve suffered enough’: Durham locals fight new open-cast

Jul 23, 2018· “The countryside is the only amenity left in ex-mining areas, and open-cast mining threatens to take that amenity away without offering meaningful

Mining Weekly Login

The weekly editions of Engineering News and Mining Weekly will be posted to your preferred postal address. Gain online access to: Project Browser providing an overview of latest developments and

Environmental impact assessment of open pit mining in Iran

Aug 26, 2008· Mining is widely regarded as having adverse effects on environment of both magnitude and diversity. Some of these effects include erosion, formation of sinkhole, biodiversity loss and contamination of groundwater by stone from the mining process in general and open-pit mining in particular. As such, a repeatable process to evaluate these effects primarily aims to diminish them.

Geography Lithosphere: Environmental Impact of Mining

Aug 25, 2010· This is the 5th lesson in the series, "Lithosphere." This lesson explains how mining activities pollute the environment and describes strategies for containing the negative impact of mining. It

EFFECTS OF FAULTS ON STABILITY OF SLOPES IN OPEN CAST

effects of faults on stability of slopes in open cast mines a thesis submitted in partial fulfillment of the requirements for the degree of bachelor of technology in mining engineering by masa soren under the guidance of dr. singham jayanthu department of mining

Committee on the Medical Effects of Air Pollutants

1. The Committee on the Medical Effects of Air Pollutants has considered a report of a research study undertaken by Dr Tanja Pless Mulloli and colleagues into the effects of open cast coal mining on the respiratory health of children in five pairs of matched communities, one of each pair being close to and one distant from open cast mining sites.

m.scirp.org

The mining operation type is mainly open cast and this activity has fugitive dust sources that contribute to increasing air quality levels in the urban areas around the quarries. Many of the biggest quarries in Jordan surrounded with urban territories are located in the north of Jordan district Irbid (Sammad area). Due to the quarrying

Open-pit mining General Overview Protect Ecuador

Open-pit mining General Overview Open-pit mining (also known as open-cut mining or opencast mining ) is a type of strip mining in which the ore deposit extends very deep in the ground, necessitating the removal of layer upon layer of overburden and ore .

About coal mining impacts Greenpeace International

Jul 01, 2016· Underground mines, which provide the majority of the world’s coal, allow coal companies to extract deep coal deposits. About 40 percent of the world’s coal mines are the more damaging strip mines (also called open cast, open pit, mountaintop or surface mining). Strip mining impacts. Strip mining is highly destructive.

EFFECTS OF FAULTS ON STABILITY OF SLOPES IN OPEN CAST

effects of faults on stability of slopes in open cast mines a thesis submitted in partial fulfillment of the requirements for the degree of bachelor of technology in mining engineering by masa soren under the guidance of dr. singham jayanthu department of mining

‘We’ve suffered enough’: Durham locals fight new open-cast

Jul 23, 2018· “The countryside is the only amenity left in ex-mining areas, and open-cast mining threatens to take that amenity away without offering meaningful

The socio-economic and environmental effects of mining in

The open cast method of mining involving blasting has contributed to land dereliction. From the survey, 11% of the total respondents interviewed ranked land disfigurement and use of explosives in blasting fluorite as the most critical environmental hazards.

Open-pit mining General Overview Protect Ecuador

Open-pit mining General Overview Open-pit mining (also known as open-cut mining or opencast mining ) is a type of strip mining in which the ore deposit extends very deep in the ground, necessitating the removal of layer upon layer of overburden and ore .

What are the negative effects of open cast mining on the

Jun 10, 2017· Discuss the negative effects of open cast mining on the environment. Answers (i) Large scale blasting of rocks leads to instability of the basement rocks. Water collects in the hallows left by open cast mines creating ponds which becomes habitats for disease causing organisms.

(PDF) Environmental impact assessment of open pit mining

Some of these effects include erosion, formation of sinkhole, biodiversity loss and contamination of groundwater by stone from the mining process in general and open-pit mining in particular.

Committee on the Medical Effects of Air Pollutants

1. The Committee on the Medical Effects of Air Pollutants has considered a report of a research study undertaken by Dr Tanja Pless Mulloli and colleagues into the effects of open cast coal mining on the respiratory health of children in five pairs of matched communities, one of each pair being close to and one distant from open cast mining sites.

Independent Economic Impact Assessment of Proposed Open

provide independent research and assessment of the economic impacts of the proposed open cast development at Nant Llesg, Rhymney. The proposed development is referred to as the Nant Llesg Surface Mine (NLSM). The site lies to the immediate west of Rhymney within Caerphilly County Borough and extends to some 478.1 hectares,

Advantages and disadvantages of open pit mining ~ LORECENTRAL

Apr 02, 2018· Advantages and disadvantages of open pit mining. Open pit mining is profitable when the deposit is not very deep or when the terrain is sandy or delicate, so that underground mining is not possible. Labor costs are lower, both in excavation and transportation, and allow the use of

How does the open cast mining affect the environment Answers

Mar 15, 2012· Open cast mining is generally considered safer than underground mining but there are still some dangers such as: 1)Because opencast mining is

How does mining affect the atmosphere, biosphere

Feb 13, 2018· Atmosphere: Pollutes the air with dust. This affects wildlife and creates poor air quality in the area. When coal is burned it releases many harmful chemicals into the air, such as methane (greenhouse gas) and contributes to global warming Biosphere: Destroys plant and animal habitats (kills plants, destroys resources that animals use) and causes animals to leave or die (read more about mining

(PDF) Environmental Effects of the Open Cast Mining a Case

Jordan has huge limestone reserves which are used to produce aggregates for construction purposes. These reserves are very important economic sectors in Jordan, but many of these reserves belong to quarries that are located near urban territories.

Respiratory health effects of opencast coalmining: a cross

OBJECTIVE: To identify whether there is evidence of pneumoconiosis and other respiratory health effects associated with exposure to respirable mixed dust and quartz in United Kingdom opencast coalmines. METHODS: A cross sectional study of current workers (1224 men, 25