Slope auger slope mining environmental impacts

Mining - SlideShare

Apr 06, 2013· 2.Slope miningSlope mining is a method of accessing valuable geologicalmaterial, such as coal. A sloping access shaft travelsdownwards towards the coal seam. 19. 3.Shaft mining is a type of underground mining doneby use of a mine shaft. A mine shaft is a verticalpassageway used for access to an underground mine. 20.

Mining - Wikipedia

Mining operations usually create a negative environmental impact, both during the mining activity and after the mine has closed. Hence, most of the world's nations have passed regulations to decrease the impact. Work safety has long been a concern as well, and …

Reading: Human Impact on Mass Wasting | Geology

It is comforting to think that we can prevent some effects of mass wasting by mechanical means, such as the rock bolts in the road cut at Porteau Cove (Figure 1), or the drill holes used to drain water out of a slope, as was done at the Downie Slide, or the building of physical barriers, such as retaining walls.

Hardrock Mining: Environmental Impacts - US EPA

Hardrock Mining: Environmental Impacts. ... This page describes some of the potential environmental effects of hardrock mining. ... the type of soil, the slope length, and the degree of slope. Disturbed areas with little or no vegetative cover, soil high in silt, or a steep slope are the areas most likely to erode. ...

Pennsylvania Code

The term includes strip mining, auger mining, dredging, quarrying and leaching and the surface activity connected with surface or underground mining, including, but not limited to, exploration, site preparation, entry, tunnel, drift, slope, shaft and borehole drilling and construction and activities related thereto.

Slope Stability - Tulane University

The water table tends to rise during wet seasons when more water infiltrates into the system, and falls during dry seasons when less water infiltrates. Such changes in the level of the water table can have effects on the factors (1 through 5) discussed above. Another aspect of water that affects slope stability …

Impact of deforestation on slope stability - SERC

Nov 15, 2016· METHODOLOGY Such an approach was applied to the Gordeleg catchment (Southern Ecuadorian Andes) to evaluate the impact of land use change on slope stability. The Gordeleg study site consists of a 2.5 km2 drainage basin in the southern Ecuadorian Andes. Slope morphology is characterised by convex hilltops, steep linear slopes and large concave ...

Mining Flashcards | Quizlet

environmental impacts of mining. Scarring the land and disrupting ecosystems—mountaintop removal, for example, involves cutting down forests and burying streams with valley fill. acid mine drainage. Acid mine drainage is the sulfuric acid that forms when rainwater seeps through the waste materials from mining

Slope failures, landslides and mines | Geotechpedia blog

Apr 18, 2013· Neglecting cohesion and using a possible "critical state friction angle" approach in slope stability? This issue requires additional research and detailed case studies but at least we can have some perspective regarding to scale effects. References: Sjoberg J., (1996). Large scale slope stability in open pit mining – a review.

ENVIRONMENTAL IMPACT OF MINING Erosion and …

post-mining landform at Ranger Mine DR Moliere, KG Evans & GR Willgoose1 Background An important part of rehabilitation planning for mines is the design of a stable landform for waste rock dumps or spoil piles, at the completion of mining, which minimise erosion and environmental impact offsite.

3.4.2 Human Causes And Consequences Of Mass Movement V2

Jul 07, 2009· 1. 3.4.2.8 Mass movement Human causes and consequences of mass movement 1. Recognize and understand human causes of mass movement: – Deforestation – building on steep gradients – road construction – other activities that cause slope instability. 2.

What is shown in the picture Graphic Aa slope mine Correct ...

Question 6 of 25 4.0/ 4.0 Points What is shown in the picture? Graphic A.a slope mine Correct B.an open-pit surface mine C.agricultural terraces D.a subsurface mine Answer Key: B Feedback: Page- Page 302- Figure 12.6- Types of mining operation Question 7 of 25 0.0/ 4.0 Points Which of the following statement about mining's environmental impacts is FALSE?

Open Pit Mining Pros & Cons | Sciencing

Open pit mining -- or strip mining -- is an extraction process for ore or fossil fuels that takes place at the surface of a mining site. Worldwide, 40 percent of mining occurs at the surface, according to Greenpeace International. Compared with underground mining, surface mining is much more efficient.

Chapter 2: The Environmental Effects of Strip Mining THE ...

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 "strip ... mining, auger mining, and mountaintop removal. Underground mining is also ...

15.1 Factors That Control Slope Stability – Physical Geology

15.1 Factors That Control Slope Stability Mass wasting happens because tectonic processes have created uplift. Erosion, driven by gravity, is the inevitable response to that uplift, and various types of erosion, including mass wasting, have created slopes in the uplifted regions.

Geologic and Geotechnical Factors Controlling Incipient ...

Geologic and Geotechnical Factors Controlling Incipient Slope Instability at a Gravel Quarry, Livermore Basin, California ... for long-term mine reclamation and short-term slope stability during mining operations (Hoek and Karzu-lovik, 2000; Wyllie and Mah, 2004). In some cases, ... and the impact of this unique geology on the stability

Slope Mining, Shaft Mining, Drift Mining, Mining ...

Slope Mining With fast progress of modern industry, the demand for products manufactured from metal ores has gone up literally. In order to meet this demand, the awareness of uninterrupted mining, which can sharply elevate stope productivity and cut mining costs, has become a big trend in the development of mining techniques in underground mines.

What are some of the most important disadvantages and ...

Sep 06, 2016· Underground Mining is a method of Mining, where the mineral is extracted without removing the top soil and rocks. In this way we do not disturb the surface feature such as forest, agriculture land, rivers and residential areas. The major disadvant...

slope stability Companies and Suppliers | Environmental XPRT

List of slope stability companies, manufacturers and suppliers . Bio Mass Tech, Inc. was founded in 1994 by the Griffin family to meet the growing need for specially trained contractors to cope with today's sensitive environmental projects.

Impacts of slash burning on soil carbon pools vary with ...

Slash burning is commonly used to clear harvest residues and improve forest health in tropical and subtropical forest plantations. However, whether the effects of slash burning on

Risk Analysis of Mine Dump Slope Stability- A Case Study

MineAdvanTech Jodhpur, India, 14-16 February 2009 321 Risk Analysis of Mine Dump Slope Stability- A Case Study M. Sazid1, T. N. Singh1 and M.R. Saharan2 ABSTRACT A case study dealing with the ...

Analysis of Highwall Mining Stability - The Effect of ...

Analysis of Highwall Mining Stability - The Effect of Multiple Seams and Prior Auger Mining on Design David Newman, President Appalachian Mining and Engineering, Inc. Lexington, KY ... High technology tools such as GroundProbe Inc.'s Slope Stability

Dredging - Wikipedia

Dredging is the operation of removing material from one part of the water environment and relocating it to another. In all but a few situations the excavation is undertaken by a specialist floating plant, known as a dredger. Dredging is carried out in many different locations and for many different purposes, but the main objectives are usually to recover material that has some value or use, or ...

Appendix 2: Environmental and Social Impacts of Mining

Appendix 2: Environmental and Social Impacts of Mining This appendix is meant to provide a brief review of the literature with regard to environmental and social impacts from mining, as well as key regulatory issues. Key Environmental and Social Impacts Environmental and social impacts of mining have been well-documented and an ample

Risk Analysis of Mine Dump Slope Stability- A Case Study

risk analysis of mine dump slope st ability- a case study MineAdvanTech Jodhpur, India, 14-16 February 2009 325 FIG 7- Probabilistic distribution of factor of safety for

Remining Best Management Practices - Ohio Division of ...

Remining Best Management Practices 3.Daylighting (surface mining through abandoned underground mines) removes most of the coal, which is often acid-producing. It also reduces the space for large amounts of mine water to be stored and contact acid-forming materials, and can use alkaline overburden for acid neutralization. 4.

Landslides, Slope Failure, & other Mass Wasting Processes ...

Each of these events represents some type of slope failure. Slope failure, also referred to as mass wasting, is the downslope movement of rock debris and soil in response to gravitational stresses. Three major types of mass wasting are classified by the type of downslope movement.

App - Presto Geosystems

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Impact of Mining on Environment |authorSTREAM

Feb 19, 2014· Impact of Mining on Environment - authorSTREAM Presentation. PowerPoint Presentation: Surface Mining:- Surface mining, including strip mining, open-pit mining and mountain top removal mining, is a broad category of mining in which soil and rock overlying the mineral deposit (the overburden) are removed.

Environmental impact assessment of open pit mining in Iran ...

Abstract. 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 chemical from the mining process in general and open-pit mining …

1.1 PHASES OF A MINING PROJECT - Home | 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

What Is The Environmental Impact Of The Mining Industry ...

To: Poly Met Mining Inc. From: Tom Radue, Bethany Erfourth, and Kristin Alstadt Subject: NorthMet Flotation Tailings Basin: Containment System Effects on Slope Stability Date: April 19, 2013 Project: NorthMet Flotation Tailings Basin 2 constructed. The Containment System includes a cutoff wall set back from the northern and western toe of slope of the FTB (Cells 1E and 2E) and Cell 2W (Figure ...

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 ...