Solid waste filling and roadway retaining for longwall mining …

Coal mining is associated with a number of environmental problems. On the one hand, coal mining causes the movement and destruction of overlying rock strata, which results in the loss of groundwater and the destruction of surface vegetation [[1], [2], [3]].On the other hand, some coal mining processes affect the extraction rate of coal resources, resulting in a waste of …

Chapter 4 Agricultural Waste Characteristics

mining a field-specific application rate. (b) Variations and ranges of data values In most cases, a single value is presented for a specif-ic waste characteristic. This value is presented as a rea-sonable value for facility design and equipment selection for situations where site-specific data are not avail-able. Waste characteristics are ...

Mineral and Mining Wastes: A Burgeoning Problem with a …

Waste rock or overburden is the rock material that needs to be removed in order to reach the economic mineral of interest. Its quantity therefore depends on the mining technique …

Mining Waste Management: Process, …

Waste management in the mining industry refers to the comprehensive planning, strategies, and practices employed to handle and manage various types of waste materials generated during mining operations …

Characteristics of Nickel Laterite Mine Waste in Caraga …

Nickel laterite mining is one of the sources of nickel-iron material used for producing steel and various materials. This mining activity leaves waste in the mine, including rocks, overburden ...

Mine Solid Waste, Impact and Disposition of | SpringerLink

Waste rocks, tailings, and other wastes produced in the process of mining and beneficiation. Mine solid waste includes waste rock, tailings (Fig. 1), dust removal ash (sludge), …

4.3.1: Surface Mining Methods | MNG 230: Introduction to Mining …

Open cast mining. Open cast mining is also known as strip mining and is used for bedded deposits, and most commonly for coal. Although it is similar to open pit mining, the distinguishing characteristic is that the overburden is not hauled away to waste dumps; but rather, it is immediately cast directly into the adjacent mined-out cut.

Valorisation of mine waste

The most prominent types of waste, in terms of volume, include: 1) waste rock, 2) tailings, and 3) mine waste water (Table 1). The production of mine tailings during mineral extraction is practically unavoidable, with the exception of in …

Chapter 5

Mine wastes can be a hazard – and a potential source of minerals. We study both active and legacy mining to understand the impac­t that mining has on other natural resources …

Open Pit Mining

Open pit mining method is one of the surface mining methods that has a traditional cone-shaped excavation and is usually employed to exploit a near-surface, nonselective and low-grade zones deposits. It often results in high productivity and requires large capital investments, low operating costs, and good safety conditions. The main topics that will be discussed in this …

Optimization of Multi-Frequency EM for Investigating Waste

Implications: Open dump mining (ODM) is now applied as a sustainable approach to combat improper waste disposal and reduce municipal solid waste (MSW) in the open dumpsite.

A historical and future impact assessment of mining …

The Sungun mine is a large porphyry copper mine with an extraction method of open pit mining (Yari et al., 2013), which causes major impacts on the surface biophysical characteristics such as land and landscape degradation, mass production of waste mineral extraction and loss of vegetation (Xiang et al., 2018). In the waste disposal of the ...

Mining

Mining - Strip, Open-Pit, Quarrying: It has been estimated that more than two-thirds of the world's yearly mineral production is extracted by surface mining. There are several types of surface mining, but the three most …

2.2 Types of Mining Wastes – Hydrogeology and …

There are three broad classes of mine waste; mill tailings, waste rock, and spent heap leach. Tailings are produced when rock containing economic grades of ore-forming minerals is crushed to facilitate extraction of those minerals in a mill.

Deformation and failure characteristic of open-pit slope …

A comprehensive understanding of the characteristics of the deformation behavior and failure characteristic induced by mining operation and external factors such as rainfall is crucial for predicting and mitigating slope instability hazards in open-pit mines. ... waste dump, buildings, and ramp. ... Tree-ring records of surface displacements in ...

Principles of Surface Mining of Mineral Deposits

The movement of the overburden, enclosing rock and mineral characterizes the on-slope method of surface mining by haulage means downwards to waste dumps and processing plant. The on-slope-deep method of surface mining combines the characteristic features of the 2nd and 3rd kind.

EAS Chapter 26 Flashcards

Study with Quizlet and memorize flashcards containing terms like 1. Which of the following is a nonmetallic mineral? A. quartz B. gold C. zinc D. lead E. none of these answer, 2. Which characteristics of indium make it such a desirable ingredient in touchscreens and liquid crystal displays? A. hard and flexible B. high melting and boiling points C. soft and malleable D. …

The Environmental Problems Caused by Mining

A village was set up to support 15,000 miners working in the ruby mine near Ambatondrazaka, Madagascar. Photo: Pardieu et al. (2017). However, compared to many other industries such as agriculture, mining uses relatively small pockets of land, and the future of mining could move to using techniques that are arguably even less invasive on the …

(PDF) Surface Mining

Information about the Environmental and Cultural setting of Kentucky essential for Permitting. Spring 2023., 2023. During the acquisition of a permit to commence a surface coal mining operation in the state of Kentucky, information about the environmental and cultural setting of the state is a prerequisite as part of the application process before the commence of work within …

Office of Wastewater Management

Waste rock includes granular, broken rock that ranges from fine sand to large boulders, depending on the nature of the formation and mining methods employed. Characteristics The geochemistry of waste rock varies widely from mine to mine and may vary significantly at individual mines over time as different lithological units are exposed.

Mining Methods: An Overview of Surface, Underground, …

Mining is the process of excavating and recovering ore and associated waste rock from the earth's crust. If the economic evaluation of a mining project offers ... the distance to the surface of the deposit, the characteristics of the deposit and economic conditions. ... Open pit or surface mining is a form of operation aimed at extracting ...

Waste Mine Tailings Characterisation

This explains the fact that 67 percent of all the metal-ore and non-metal mineral mining wastes generated during the period 1960-1977 was overburden and waste rock from surface mining, while only 0.8 percent was waste rock from underground mining.

Mining Solid Wastes

Mining generates waste in a variety of ways. For surface mining, e.g., open pit mines, strip mines, or quarries, it usually is necessary to remove overburden, i.e., soil and rock overlying the …

International Journal of Surface Mining Reclamation and …

Along with material characteristics and geometry, the climate in which a mine is located can have a dramatic effect on the appropriate options for rehabilitation. ... mining, milling and waste ...

Potential Use of Coal Mine Overburden Waste Rock as …

Abstract Coal is the cheapest and thus the preferred energy source in developing countries. A huge volume of coal mine waste rock, which is known as overburden (OB), is generated due to the surface mining of coal. Due to convenience and the restricted ... Practical Applications The question of how to replace traditional construction materials with efficient …

Research on the surface subsidence characteristics and …

Surface subsidence, being the most prevalent environmental geological issue stemming from coal seam mining, has garnered widespread attention 1,2,3.Subsidence caused by coal mining can inflict ...

Open-Pit Mining Definition | Anglo American

Open-pit mining, also known as opencast mining, is a surface mining technique that extracts minerals from an open pit in the ground. Open-pit mining is the most common method used throughout the world for mineral mining and does not require extractive methods or tunnels.

Phosphate Mining: Extraction, Processing, and Waste …

Properly managed, surface mining techniques like strip mining allow efficient extraction with minimal waste. For deeper deposits, underground mining may be necessary. This method involves creating tunnels or shafts to reach the phosphate-bearing rock. Although more labor-intensive and costly, underground mining can result in less surface ...

Surface Mining Methods

Regardless of the necessity or economic advantage, all surface solution methods share two common characteristics: (1) ore is mined in the usual way and then stockpiled; and, (2) an aqueous solution is applied to the top of the ore stock which reacts chemically with the metal of interest from which the resulting metal salt solution is channelled through the stock pile for …