online lecture on open pit mining

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  • LECTURE 3: MINING AND THE ENVIRONMENT

    LECTURE 3: MINING AND THE ENVIRONMENT. This lecture gives an introduction to different kinds of environmental impacts associated with mining and explains the implications on local communities and nature. Mining has several impacts on the environment. Some can be prevented or mitigated, such as effects on water quality.

  • Concept of oc mine planning & design(final)

    Mar 08, 2013· Concept of oc mine planning & design (final) 1. CONCEPT OFOC MINE PLANNING & DESIGN. 2. Mining Methods Coal is mined by two main methods - Surface or opencast mining and underground mining.. The choice of method is largely determined by the depth,thickness and no. of coal seams, geology of the coal deposit and other factors. 3.

  • .pwc 2012 Americas School of Mines

    Open pit mining Mining Methods 5 Open pit mines are used to exploit low grade, shallow ore bodies. However, some pits are quite deep about 1 km. The mining rate is greater than 20,000 tonnes per day (tpd) but is usually much greater. Some pits operate at a rate of more than 100,000 tpd

  • (PDF) Lecture 4 Open Pit Mining Presentation | abdelaziz ...

    Description Open-pit mining is surface mining in which huge portions of earth are dug from the surface to extract the desired mineral within them. During the mining process, the land face is scraped away by explosives and digging creating a deeper and deeper pit until the mining is complete.

  • Open pit mining - SlideShare

    Dec 14, 2014· Introduction 12/14/2014 3 In open pit mining :  Any overburden is stripped and transported to a disposal area to uncover the mineral deposit  Both stripping and mining are from one or a sequence of benches  Open-pit mines are used when deposits are found near the surface  Open pit mining is large scale method in term of production rate  Responsible for 60% of all

  • (PDF) Mining Methods-Part II: Surface Mining-Planning and ...

    Mining Methods, Surface mining. 2.1) Introduction. As the first step for long or short-range planning, the limits of the open pit. must be set. The limits (ultimate pit) define the amount of ore ...

  • Fundamentals of mine planning - Mining Magazine

    Aug 21, 2015· Fundamentals of mine planning. Colin Sprott looks at the basics of developing an open-pit mine design for maximum operational efficiency. Kalgoorlie is home to Australias largest open-pit gold mine. Decade of performance: Pitram delivers diamond standard for Argyle diamond mine

  • (PDF) Stripping Ratios, Pit Limits & Cutoff Grade ...

    Optimal production scale of open pit mining operations with uncertain metal supply and long-term stockpiles. By Mohammad Asad. A review of cut-off grade policy models for open pit mining operations. By Iván Cárcamo. Optimum cut-off grades calculation in open pit mines with regard to reducing the undesirable environmental impacts.

  • Mine Planning Courses - Professional Development

    Open Pit Mine & Dump Design. Software: Geovia Gems. Open Pit Mine Design is a two-day course designed for mine planners, mining engineers, geologist, and people who are responsible for activities that require them to design and manage pits, ramps, switchbacks, slots, and waste dumps.

  • Surface Mining Methods and Equipment

    The higher productivity for open pit mining equipment also lowers costs. The necessary underground equipment for maintaining productivity is more expensive on a unit basis capacity than corresponding open pit equipment. Furthermore, the large production scale and share number of open pit mines have provided the opportunity for manufacturing

  • Modelling open pit dynamics using discrete simulation ...

    Jan 22, 2007· The planning of an open pit mine is an economic exercise, constrained by certain geological, operating, technological and local field factors. Heuristic methods, economic parametric analysis, operations research and genetic algorithms have been used to formulate periodic open pit planning problems. Open pit design, optimization and subsequent ...

  • 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.

  • Intelligent Modeling: Advances in Open Pit Mine Design and ...

    Aug 09, 2010· Open pit mine design and extraction sequencing by use of OR and AI concepts. Birol Elevli. International Journal of Surface Mining, Reclamation and Environment. Volume 9, 1995 - Issue 4. Published online: 31 May 2007. Article. The MCS/MFNN algorithm for open pit

  • (PDF) Mining Methods-Part II: Surface Mining-Planning and ...

    Mining Methods, Surface mining. 2.1) Introduction. As the first step for long or short-range planning, the limits of the open pit. must be set. The limits (ultimate pit) define the amount of ore ...

  • Major Mines & Projects | San Antonio Project

    Flow Sheet: Summary: The Project has been designed as an open-pit mine with a heap leach operation utilizing a multiplelift, single-use leach pad. Leach-grade material will be crushed, stockpiled, reclaimed, and stacked on the leach pads with a stacking system at a nominal rate of 456 t/hr. The stacked material will be leached with a low-grade ...

  • Major Mines & Projects | Haile Mine

    Summary: Open Pit mining. Haile is currently being mined using conventional open pit methods and OceanaGold plans to continue with current mining methods. The material encountered at Haile is a combination of soft (Costal Plains Sands [CPS] and saprolite) and hard (metavolcanics and metasediments) rock units.

  • Rock Engineering Practice & Design

    The lecture slides provided here are taken from the course ... (benches in an open pit cases, these free faces may already be present (benches in an open pit mine), but in other cases may need to be created by the blast itself (a tunnel face). Practical application of the

  • Lecture 2: An introduction to mining

    LECTURE 2: AN INTRODUCTION TO MINING. This lecture covers mining and introduces how mining generally is done, what machinery and methods are used and how ore and waste rock travel within the mine complex. Mining is done to liberate minerals from the crust of the earth. This is done in several steps. The steps differ between mines depending on ...

  • Training- Mining Courses

    Open Pit Mine Design is a two-day course designed for mine planners, mining engineers, and geologist who are responsible for activities that require them to design and manage pits, ramps, switchbacks, slots, and waste dumps. ... The course is designed to provide theory through lectures, complemented by a hands-on real-world mine planning ...

  • LECTURE -2|| OPENCAST AND UNDERGROUND MINING||

    Nov 21, 2018· In this video we talk about types of mining method and advantages and disadvantages of them.Do subscribe my channel if you think we are doing a great job.Lik...

  • 17* Open Pit Optimization - Strategies for Improving ...

    ABSTRACT: The open pit design and scheduling problem is a large-scale optimization problem that has attracted considerable attention during the last 40 years The development of the "know-how" to improve economics of open pit mining projects through the use of mathematical optimization techniques goes back to early 1960's.

  • 1.1 PHASES OF A MINING PROJECT - ELAW

    1.1.3.1 Open-pit mining Open-pit 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. In many cases, logging of trees and clear-cutting or burning of vegetation above the ore deposit may precede removal of the overburden. The

  • Open Pit Design 101 | Udemy - Online Courses

    This Open Pit Design or Mine Design training is designed to teach you how to design an open pit (surface mining) using one of the top mining softwares in the mining industry. You will also learn how to create haul roads, access ramps, switchbacks, 3D surfaces of the open pit,

  • Major Mines & Projects | Nchanga Mine

    The cut-off is reduced to 1.0% total copper where the ore body is thin and richly mineralised. For the Nchanga open-pit ore bodies, a cut-off grade of 0.5% total copper is used. Open-pit mining has historically been exploited near surface ore bodies, including the LOB, UOB, River Lode, Luano and Chingola Ore Bodies.

  • Major Mines & Projects | Bronzewing Project

    The Bronzewing Gold Project consists of the Bronzewing Treatment Plant and two open pit mines, comprising Julius located approximately 73 km north of the plant and Orelia 10 km to the south. All major permits required to commence development and mining have been received. Northern Star will have the option to refurbish or divest Bronzewings ...

  • 0 February 2007 Part 7 Lecture 6 Open pit mining Open pit ...

    Version 1.0: February 2007 Part 7: Lecture 6 Open pit mining Open pit layout and terminology Open pit mining is the process of mining any near surface deposit by means of a surface pit excavated using one or more horizontal benches (Section 7.2, Hartman and Mutmansky, 2002). The overburden and ore are removed in slices as benches and these can vary in height from around 5m 20m.

  • Mine planning and optimization techniques used in surface ...

    Caccetta, L and Hill, P.S, 1987, Optimization techniques for open pit mine scheduling, (Online), Available at; Dynamic Programming in Open Pit Mining Sequence Planning: A Case Study Jan 1989

  • ESTIMATING THE EFFECTS OF BLASTING VIBRATIONS ON

    Theses and Dissertations--Mining Engineering Mining Engineering 2017 ... The stability of the high-walls is one of the major concerns for open pit mines. Among the ... (R.Rai, Slope Lecture)..... 21 Figure 2-11: Block on an inclined plane at limiting equilibrium (Rock Slope Stability,

  • Topic 5: Mining Methods-Part I-Surface mining

    Nov 02, 2011· Topic 5: Mining Methods-Part I-Surface mining 1. 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 students, and is provided in Power point format so as to allow customization for the individual needs of course

  • Open Pit Mining Lecture 1 - B.pdf - Pit expansion process ...

    View Homework Help - Open Pit Mining Lecture 1 - B.pdf from MINING 3071 at The University of Adelaide. Pit expansion process Frontal cuts Parallel cuts drive by Parallel cuts turn

  • (PDF) Lecture 4 Open Pit Mining Presentation | abdelaziz ...

    Lecture 4 Open Pit Mining Presentation. Download. Lecture 4 Open Pit Mining Presentation. A. El Shinawi. Description Open-pit mining is surface mining in which huge portions of earth are dug from the surface to extract the desired mineral within them. During the mining process, the land face is scraped away by explosives and digging creating a ...

  • Mining Engineering | Mines Online - Mines Online

    Integrate social, environmental, health, safety, security and life-of-mine considerations into sustainable decisions for the mining industry. #1 mining school. in the world. $91,160 median. income for mining. engineers, 2019. Mines rates #2. Return on Investment, Money Magazine, 2018.

  • Lecture 4: Mining waste - SGU

    LECTURE 4: MINING WASTE. This lecture covers the different types of mining waste, how they are formed and how they are disposed of or used. ... For example, a stripping ratio of 2:1 means that 2 tonnes of waste rock needs to be mined to mine 1 tonne of ore. Generally, an open pit mine has a higher stripping ratio than an underground mine.

  • Major Mines & Projects - Mining Intelligence and News

    Sep 29, 2020· The open cuts at the Mount Pleasant Operation comprise four named open cuts (South Pit, North Pit, Warkworth South Pit and Piercefield Pit2). Development Consent DA 92/97 (as modified) allows for the extraction of 197 Mt of ROM at a rate of up to 10.5 Mtpa and allows for mining operations to be carried out until 22 December 2026.

  • AMPS - Open Pit Mining Engineering Online Training Courses

    AMPS is a Western Australian owned and operated specialised mining course provider, training the industrys leading mining graduates, new engineers and mining technical staff in industry best practices and principals. AMPS courses are interactive, collaborative, and use multiple methods of learning to develop participants knowledge and skills.

  • Lifting of open-pit mining freeze being readied in draft ...

    2 days ago· Ms. Lopez implemented the open pit mining ban in 2017, citing the adverse effects of the mining method on the environment. The mining industry has continued to press for the restoration of open-pit mining, noting its efficiency and its acceptance as a mining practice worldwide.

  • An Open Pit Design Model - SAIMM

    (ill) annual maps of the pit and annual production statistics for the mine, concentrator and smelter. Additionally. summaries are printed of the block mining sequence and cash flow. A special feature is an option to include dump-leaching operations. Stockpiling

  • Open Cast Mining Terminology -

    Mar 22, 2018· open-cast mining is a surface mining technique of extracting minerals from the earth by their removal from an open pit.

  • Optimization Online - Optimization-Based Dispatching ...

    Optimization-Based Dispatching Policies for Open-Pit Mining. Amanda Smith(amanda.smith wisc ) jeff Linderoth(linderoth wisc ) James Luedtke(jim.luedtke wisc ). Abstract: We propose, implement, and test two approaches for dispatching trucks in an open-pit mining operation.The first approach relies on a nonlinear optimization model that incorporates queueing effects to set target ...