surface mining methods ppt

(PDF) Mining Methods-Part III Surface mining

Surface mining- Plac er mining 3. Placer mining are among the most economical of all mining methods but can only be applied to. limited categories of miner al …

CHAPTER 11 Mining Technology

2007-3-19 · the mining technologies currently in use on Federal leases and the potential for commer-cial mining technologies to extract Federal coal reserves from deep underground seams. The chapter discusses: three surface mining techniques that are used in the West: 1) area strip, 2) open pit, and 3) terrace pit; two methods of underground mining in

What are the different types of mining and how do they …

2017-3-15 · Underground Mining. Underground or Sub-surface mining involves the digging of a network of shafts and tunnels into the earth to reach and extract the deposit of ore or mineral beneath the earth. In comparison to other methods, …

Surface Mining Methods and Equipment

2020-8-25 · appropriate mining method is selected based on technical, economic, and environmentally accountable considerations. The first step in selecting the most appropriate mining method is to compare the economic efficiency of extraction of the deposit by surface and underground mining methods . This section reviews surface mining methods and ...

The Actual Difference Between Surface and Underground …

Surface mining can be accomplished by the following main methods: Open-pit Mining: Removing ore to leave a crater. Quarrying: An open-pit mine for construction materials. Strip Mining: Ore is removed in parallel strips. …

ME551/GEO551 INTRODUCTION TO GEOLOGY OF …

2014-1-29 · MINE DEVELOPMENT • Operations/construction • lower costs • site development • construction • establish infrastructure • develop the mine – surface (open pit, strip mining) – underground (room and pillar, shrinkage stope) – solution/leaching

What Are the Advantages and Disadvantages of Surface …

2020-3-25 · Advantages of surface mining include economic and financial benefits for miners and communities and a safer alternative to pit mining, but its disadvantages include environmental impacts, such as erosion and contamination. Surface mining, also called strip mining, delivers economically vital supplies of coal, which powers transportation and creates consumer …

Impact of Mining on Ground and Surface Waters

2012-2-18 · Impact of Mining on Ground and Surface Waters By H.N. KARMAKAR1, P.K. DAS2 1Central Mine Planning and Design Institute Ltd., R.I-II, Koyla Bhawan Complex, Dhanbad-826005, Bihar, India 2Central Ground Water Board, 24 Kharvel Nagar, Unit-III, Janpath, Bhubaneswar -751001, Orissa, India

Drilling Techniques for Mining Exploration

2018-12-13 · View the complete article here. By its very nature, mineral exploration involves drilling to discover what is below the surface. While there have been a number of advances in drilling technologies in drilling techniques in the …

Mining : What is Mining? What are the 4 mining methods ...

2019-4-28 · Four main methods of mining are available: underground, open surface (pit), placer and in-situ mining. Underground mines are more expensive and often used to reach deposits that are deeper. Surface mines are usually used for deposits that are shallower and less valuable. Placer mining is used in river channels, beach sands, or other ...

(PDF) SURFACE MINING METHODS AND EQUIPMENT | …

Section 2 describes surface mining equipment with particular focus on relatively large machines such as bucket wheel excavators, large shovels and SA N …

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Underground Mining Methods

2009-12-7 · characteristics of the major mining methods. 1.3.2 Room-and-Pillar Mining Room-and-pillar mining is designed for flat-bedded deposits of limited thickness, such as copper shale, coal, salt and potash, limestone, and dolomite. This method is used to recover resources in open stopes. The method leaves pillars to support the

Surface Mine Blasting

2014-4-2 · application of explosives in mining. Re­ searchers combine an understanding of the basic principles of dynamic rock fragmen­ tation with new blast design technology and recent developments in both methods and equipment, for potential improvements in blasting practices. This paper out­ lines surface mine blasting research com­

Blaster''s Training Module

2019-8-11 · (WR), Office of Surface Mining (OSM), U.S. Department of the Interior (DOI), located in Denver, Colorado. The modules are examples of the technical assistance the Federal government furnishes States to assist them in meeting the requirements of the Surface Mining Control and Reclamation Act of 1977 (SMCRA), upon which their State surface

(PDF) Mining Methods-Part III Surface mining

Surface mining- Plac er mining 3. Placer mining are among the most economical of all mining methods but can only be applied to. limited categories of miner al deposits. Placer mining affects large ...

Surface Mining Technology: Progress and Prospects ...

2012-1-1 · Surface mining methods dominate the world production of minerals. Currently, almost all non-metallic minerals [more than 95%], most metallic minerals [more than 90%] and a large fraction of coal [more than 60 percent] are mined by surface methods. Of the over 30 billion tonnes of ore and waste materials that are mined each year, surface mining ...

Safety in Open Pit Mining

2016-12-15 · The first three methods are commonly used in surface mining operations. Catch ditches are one of the most cost effective rock fall protection measures used in open pit. The ditch, placed along ramps and at the top of the …

(PDF) Mining Methods: Part I-Surface mining

2022-1-3 · Mining Methods, Surface mining Depend on wa ter or another liquid (e.g., dilute sulfuric acid, weak cyanide solution, or ammonium c arbonate) to e …

BLAST VIBRATION STUDIES IN SURFACE MINES

2010-5-14 · surface mines a thesis submitted in partial fulfillment of the requirements for the degree of bachelor of technology in mining engineering by badal kumar kujur roll no. 10605005 under the guidance of prof. s. jayanthu department of mining engineering national institute of technology rourkela 2010

Types of Underground Mining Method Comparison

2017-3-16 · In any discussion of Methods of Underground Mining Comparison, one is repeatedly confronted with the difficulty of dealing with so many variable conditions. It is not an exact science and in the choice of a method each varying factor has a certain weight, which, in many cases, experience alone can determine.

Equipment Selection for Surface Mining: A Review

2013-7-19 · A surface mine contains pits with mineral endowed rock (or ore). We extract ore that lies within the upper layer of the earth, from surface mines (Fricke, 2006) . This ore can include metals such as iron, copper, coal and gold. There are several methods of surface mining, including open-pit, stripping, dredging and mountain-top removal.

A Guide to the Four Main Methods of Mining

2019-10-8 · More specifically, mining is used to extract non-renewable resources like fossil fuels, minerals and even water. There are four main methods of mining: underground, surface, placer and in-situ. The type of mining method used …

(PDF) SURFACE MINING METHODS AND EQUIPMENT | …

Section 2 describes surface mining equipment with particular focus on relatively large machines such as bucket wheel excavators, large shovels and SA N draglines. U 1. Surface Mining Methods After a mineral deposit has been …

COAL -

2010-1-19 · Mining the Coal Coal miners use giant machines to remove coal from the ground. They use two methods: surface or underground mining. Many U.S. coal beds are very near the ground''s surface, and about two-thirds of coal production comes from surface mines. Modern mining methods allow us to easily reach most of our coal reserves.

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. This surface mining technique is used when mineral or ore deposits are ...

Methods for Equipments Selection in Surface Mining; …

2011-9-4 · 1707 The 1 st International Applied Geological Congress, Department of Geology, Islamic Azad University - Mashad Branch, Iran, 26-28 April 2010 attribute decision making technique. Fig.1 indicates effective parameters in selection fleet types [2]. Expert System: This is one of the first systems planned for selecting equipments in surface mining in 1987.

Analysis of Safety Aspects And Mining Practices For ...

2012-8-29 · Mining parameters in a surface mine are influenced by strata conditions and their subsequent design for actual mining process. The structural aspects of overburden and floor material play a significant role in the predictive behavior of rock masses in response to the mining operations, especially of

Surface mining

2015-10-16 · SURFACE MINING • Surface mining is done by removing (stripping) surface vegetation, dirt, and, if necessary, layers of bedrock in order to reach buried ore deposits (or) surface mining is the process of extraction of minerals …

Mining Techniques | Geology for Investors

2013-6-14 · The most common surface mining technique is open-pit mining (Figure 1), where a commodity is extracted via an open pit in the ground. This is an extremely cost effect way of removing a resource because large quantities can be removed with minimal effort. Other surface techniques include quarrying and strip mining.

10 Different Types of Mining Operations and Mines – …

2021-1-12 · There are five basic types of surface mining, including open-pit mining, strip mining, dredging, mountaintop removal, and high wall mining. All of these methods remove the waste material or the overburden, which is above the …

Topic 5: Mining Methods-Part I-Surface mining

2011-11-2 · Topic 5: Mining Methods Part I-Surface mining Hassan Z. Harraz [email protected] 2010- 2011 Prof. Dr. H.Z. Harraz Presentation This material is intended for use in lectures, presentations and as handouts to …