open pit mining sequence powerpoint

Open-pit mining

Open-pit mining, also known as open-cast or open-cut mining and in larger contexts mega-mining,, is a surface mining technique of extracting rock or minerals from the earth from an open-air pit, sometimes known as a borrow.. This form of mining differs from extractive methods that require tunnelling into the earth, such as long wall mining.Open-pit mines are used when deposits of commercially ...

METHODS FOR IMPROVING THE TRACTABILITY OF THE …

1.1 Open Pit Mining Open pit mining involves extracting material from the Earth''s surface down-wards; hence, open pit mines are often referred to as surface mines. Open pit mines result in crater-like holes in the ground once all the valuable mineral is removed from the orebody. Orebodies in open pit mines are modeled using a collection of ...

1.1 PHASES OF A MINING PROJECT

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

Underground Fluorspar Mining in the Peak District …

Sequence of Mining Operation continued ... Open Pit Mining Underground Mining ` Vein Mineral Mining for the Future • Peak district has a substantial resource of unmined fluorite rich vein systems which have the ... Microsoft PowerPoint - Peter Robinson - …

Open pit mine planning considering geomechanical …

are studied when changing the admissible FoS of the slopes at an open pit mine. This paper is organised as follows. Sections 2–4 provide a review of the Hoek–Brown failure crite-rion, the methods of slope stability analysis and the aspects of open pit mine planning that are relevant to this work.

MINE LIFE CYCLE

Artist''s impression of planned open pit and mill. Artist''s impression of eventual reclaimed mine site. 6 ... Sequence •Select equipment ... Microsoft PowerPoint - MINE LIFE CYCLE Author: Administrator Created Date: 7/31/2007 4:24:47 AM ...

Resources

This is an interactive activity that allows students to explore the processes involved in the mining and processing of copper ore and the production of copper. Students initially place the processes in correct sequence and can then select each stage to animate it and access relevant information. The…. Years 7 …

Block Cave Underground Mine

Open Pits Super Caves. 3 Open Pit to Underground Mine. 4 PTFI Underground Mine complex ... Mining Orebodies & Sequences. 6 What and Why Block Caving? What : Block (gravity) caving is a bulk underground mining method, which allows large low-grade ... PowerPoint Presentation Author:

Major Mines & Projects | Nevada Gold Mines Mine

The Cortez Mine consists of an operating open pit and underground mine with production from several open pit deposits and one underground mine. Production is currently coming from the Cortez Hills open pit (CHOP), the Pipeline open pit, and the Cortez Hills underground (CHUG) as well as material from stockpiles accumulated from previous mining.

Office of Surface Mining Reclamation and ...

 · The U.S. Government''s Official Website for the Office of Surface Mining Reclamation and Enforcement (OSMRE). OSMRE''s business practices are to reclaim abandoned mine lands (Title IV), regulate active coal mines (Title V), and apply sound science through technology transfer.

OPTIMIZATION OF PRODUCTION PLANNING IN …

underground mining methods. In open pit optimization, lower level blocks are linked with the blocks of upper level based on the wall angles of open pit. Lerchs-Grossman algorithm (Lerchs and Grossman, 1965) and network flow (Picard, 1976) concepts are the best approaches to solve these problems.

mining

mining - mining - Surface mining: 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 common are open-pit mining, strip mining, and quarrying. These differ from one another in the mine geometries created, the techniques used, and the minerals produced.

TRENCHING & SHORING GUIDELINES

Trench boxes are generally used in open areas, but they also may be used in combination with sloping and benching. The box should extend at least 18 in (0.45 m) above the surrounding area if there is sloping toward excavation. This can be accomplished by providing a benched area adjacent to the box.

PowerPoint Presentation

The Sonora Mining Company developed the open pit mine between 1987 and July 1994, producing more than 600,000 ounces of gold. Arsenic is primarily associated with arsenian pyrite, and with minor cobaltite, gersdorffite, and nickeline. The pit has been filling with rainwater, runoff, and ground water since mining ceased in 1994.

Estimates of Electricity Requirements for the Recovery of ...

A photograph of the Cripple Creek & Victor Mining Company''s open-pit gold operation in Cripple Creek, Colorado, showing a fairly typical heap leach gold operation .....55 Figure 8. A photograph of an electric rope shovel of the type used in large open pit mines.....81 Figure 9.

INTELLIGENT MINE PLANNING SYSTEMS

• Open Pit, Quarrying, Strip Mining, Beach & Marine, Alluvial, Shallow Water Dredging ... • Mine planning system requires grouping of blocks into panels that will maximise contribution and to sequence these panels for the fleet of 5 ... PowerPoint Presentation Author: Microsoft Office User

Chapter 2: An introduction to mining

CHAPTER 2: AN INTRODUCTION TO MINING. This chapter covers mining and mining processes, machinery and methods used and how ore and waste rock travel within the mine complex. Mining projects generally involves extracting minerals from the ground and separating different minerals from each other. Extraction is typically carried out in an open pit ...

Optimising concentrate specs over the LOM: A Whittle SIMO ...

Whittle is an open pit only strategic scheduler Solution Convert UG Schedule Stope sequence into an ASCII model Use as a separate Mine Add UG Mining costs as extra ''processing costs'' Limitation No flexibility in UG stopingsequence = Stope 1 = Stope 2

Basics of an open pit mine

Open pit mines can be used in coal mining, and they are used extensively in "hard rock" mining for ores such as metal ores, copper, gold, iron, aluminum, and many minerals. In a open pit coal mine, the pit bottom would be the bottom mined coal seam elevation, since it is usually feasible to extract multiple seams when surface mining coal.

In a secure mining jurisdiction

Fosterville started as an open pit operation at 2.3 g/t Au - It is now one of the world''s highest-grade, most profitable gold mines. Metres LodeAu (g/t) Intersection 30.4 3.0 CDG3 From 30.4m 5.0 13.0 CDG-03-14 81.5m 1.0 24.4 CDG-18-07 From 185.9m FRASER INSTITUTE RATINGS - 2019 THE CLONTIBRET GOLD DEPOSIT OPEN ALL DIRECTIONS

PPT – Open Pit Mining PowerPoint presentation | free to ...

Surface Mining Market Research - Surface Mining Market Information by Method (Open Pit Mining, Strip Mining, Mountain Removal Mining and Others), Mineral (Metallic Ore, Non-metallic Ore and Coal Mining), End user (Metal, Electric power industry, Manufacturing, Others) And Segment Forecast 2016–2026 | PowerPoint PPT presentation | free to view

A dynamic stochastic programming approach for open-pit ...

 · Long-term open pit mine production planning: a review of models and algorithms Int. J. Min. Reclam. Environ., 22 ( 1 ) ( 2008 ), pp. 3 - 35, 10.1080/17480930601118947

Open Pit Mine Scheduling – A Case Study at Bogoso Gold …

Open Pit Mine Scheduling – A Case Study at Bogoso Gold Limited Ken ALLEN, Ghana Key words: SUMMARY The main objective of this paper is to describe the process of mine scheduling as is being practiced At Bogoso Gold Limited in its mine planning activities. The Bogoso area has a long and chequered mining history of both open pit and underground

An Open Pit Design Model

Additionally. summaries are printed of the block mining sequence and cash flow. A special feature is an option to include dump-leaching operations. Stockpiling of material can also be simulated by the model. The model is boilt around theories of dynamic cul-off grades and a pit design algt)rithm. The dyrnunic cut-oJT grades maximize

Types of Mining Methods | Sell Side Handbook

 · Open pit mining operations are the largest operations world-wide. Since this method allows for the use of large equipment, it results in huge economies of scale, enabling immense cost savings. It is interesting to note that the largest such operations could cost as low as $1/tonne and the smaller ones as much as $10/tonne. Cost variability in ...

A Push-Back Sequencing Model for Production Planning in ...

A dynamic sequencing method has been developed to simultaneously optimize the coal production rate, waste stripping rate, mining sequence, and mine life of an open-pit coal mine. The method first establishes a geological seam model of a bedded coal deposit which estimates the relevant attributes of coal seams at the center of each block on the X-Y plane.

Free Open Pit Mining Google Slides Themes and PowerPoint ...

 · Download the best Free Open Pit Mining Google Slides themes & PowerPoint Templates for your presentations - free for multipurpose uses. Get Set Go!!

PowerPoint Presentation

Title: PowerPoint Presentation Author: vernon harris Created Date: 1/15/2013 9:54:53 AM

Mining Wastes Overview

Hard-Rock versus Coal Mining Greater amount of rock waste Complex mineralogy, geology, and alteration halos A variety of mining methods (e.g. underground, open-pit, placer, solution) Lesser amount of rock waste Less diverse mineralogy, simple stratigraphy Underground and (or) open-pit …

PowerPoint Template: mining

PowerPoint Template With Mining - Open Pit Diamond Mine Themed Background And A Gold ... PowerPoint Template With Mining - Open Pit Diamond Mine Themed Background And A Gold. ... Choose any template design below: (Each design below is represented by 2 slides.) Purchased templates will be free of all promotional text and watermarks.

(PDF) Open pit mine design and extraction sequencing by ...

The development of an effective open pit mine scheduling procedure which will generate and evaluate the extraction sequence of mining blocks over short periods of time, has become more desirable ...

Lecture 1: Introduction – Uncertainty & Design

Lecture Notes – PDF''s of these Powerpoint slides will be made available for download via the course web page. "Rock Mechanics for Underground Mining " by B.H.G. Brady and E.T. Brown, Springer: Dordrecht, 2006. … or another option that isn''t as mining-oriented:

Darlot

Underground mining, completion of Open Pit mining 1996 Discovery of the Centenary ... Mining Sequence 2 1100 Level 1140 Level 1120 Level 1080 Level 1060 Level 1040 Level 1020 Level 1000 Level 980 Level W17 W18 W16 W15 1 3 2 6 4 5 4 6 5 Walters Orebody 100m 12 AUSTRALIA Darlot Gold Mine: Centenary Development and Stoping L9 L1 L5 L4 L11 ...