• BEST PRACTICES IN DRILL AND BLAST

    29 APRIL 01 MAY 2014 ROYAL ON THE PARK, BRISBANE, QLD, AUSTRALIA W: drillandblastevent.au • T: +61 (2) 9229 1000 • E: [email protected] 2 INTRODUCTION With an increased industrial focus on cost reduction and operational effi ciency in the mining sector, drilling & blasting operations are being conducted through more

  • Australian mining Australasian Mine Safety Journal

    How Many Mines Are There in Australia?What Types of Mineral Resources Exist in Australia?Types of Mining in AustraliaKey Periods in Australian Mining HistoryEquipment Used For Australian MiningSafety in Mining Australian Mining SafetyUnions in Australian MiningWeb Resources For Australian MiningGeoscience Australia reported in 2017 that there are at least 391 operating mine sites in Australia spread across a wide variety of resources. Gold makes up 128 of the total while coal mines total 91. There has been extensive growth in iron ore over the past several years with mines totalling more than 40.By volume, Australia’s two most important mineral commodities are iron ore of which 97% is mined in Western Australia and coal, which is largely mined on the east coast, in the states of Q.
  • Rock fragmentation control in opencast blasting

    Apr 01, 2016· 1. Introduction. Rock fragmentation distribution influences a range of mining and milling processes including load and haul rates, crushing and grinding performance and ore recovery in beneficiation processes (Michaud et al., 1997).In opencast mining, where blasting is employed for excavation, the overall cost effectiveness of the production operations is compatible with optimization

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  • The Super Pit Open Cut Gold Mine Kalgoorlie Western Australia

    Sep 21, 2014· Views at the Super Pit open cut gold mine Kalgoorlie Western Australia September 2014 the deepest open cut gold mine in Australia.

  • Author: reidgck
  • The Largest Open Cut Mine Blast An 11 Million Tonne

    Enjoy the videos and music you love, upload original content, and share it all with friends, family, and the world on YouTube.

  • ASK MINING: Blasting Practices at Open Cast Mines

    Mar 02, 2012· Following are some important facts related to blasting practices in open cast mines:-1. Drilling: There are two major types of drilling techniques being used Down the Hole (DTH): It is used when the blast hole diameter varies from 100mm to 380mm and the depth of blast hole is 12-15m.

  • Optimization of Blasting Parameters in opencast Mines

    efforts to introduce mechanization in the opencast mines, blasting continue to dominate the production. Explosives contribute currently about 5% of the direct cost of production and if the aggregate cost of drilling and blasting is taken together, this may go as high as 30% of direct cost of production.

  • List of Technical Papers Mining and Blasting

    Books on Mining, Blasting and Explosives: * Blasting principles for open pit mining Vol. 1 William Hustrulid * Blasting principles for open pit mining Vol. 2 William Hustrulid * Blast_design * Rock Excavation:Compiled by: Dr. Sean Dessureault * Surface and Underground Excavations Methods,Techniques and Equipments: By Tatiya

  • Surface Mining Methods and Equipment

    Open pit and open cast methods employ a conventional mining cycle of operations to extract minerals: rock breakage is usually accomplished by drilling and blasting for consolidated materials and by ripping or direct removal by excavators for unconsolidated

  • Chapter 8 BLAST DESIGN National Park Service

    The economic analysis of the use of explosives is an important part of blasting operations in mining and construction. Explosives are energy, and the efficient use of this energy is a major factor in keeping rock blasting costs under control. High-energy explosives enhance fragmentation, which ultimately produces a positive effect on production

  • Blast at Anglo American coal mine in Australia injures

    A new method to monitor soil stability at open-cast mines from space Scientists are using data from the Sentinel 1 mission to investigate lignite regions in North Rhine-Westphalia in Germany.

  • Australian mining Australasian Mine Safety Journal

    Mining is a significant and important part of Australia’s economy. The Australian mining industry origins stem back to the early days of Australia’s settlement when first settlers identified sources of coal in 1797 near Newcastle New South Wales (Nobby’s Head).Coal was first used as a source of heating for the emerging economy and the rich Hunter Valley seams (often protruding from the

  • The Super Pit Open Cut Gold Mine Kalgoorlie Western Australia

    Views at the Super Pit open cut gold mine Kalgoorlie Western Australia September 2014 the deepest open cut gold mine in Australia.

  • BLAST MANAGEMENT PLAN 2012 2015 Vale

    Saturday inclusive. No blasting is allowed on Sundays, public holidays, or at any other time without the written approval of the Director-General. 13. The Proponent shall not carry out more than: (a) 1 blast a day in the northern mining area unless an additional blast is required following a blast misfire;

  • The Largest Open Cut Mine Blast An 11 Million Tonne

    Enjoy the videos and music you love, upload original content, and share it all with friends, family, and the world on YouTube.

  • 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.

  • SHOTPlus™ Blast design and modelling software for

    Our SHOTPlus™ range of blast design and modelling software enable users to design, visualise and analyse blast initiation sequences across surface and underground mining, quarry and construction applications. SHOTPlus™ provides you the support and tools that you need to improve your productivity, safety and environmental performance.

  • Surface Mining Methods and Equipment

    Open pit and open cast methods employ a conventional mining cycle of operations to extract minerals: rock breakage is usually accomplished by drilling and blasting for consolidated materials and by ripping or direct removal by excavators for unconsolidated

  • Design of Surface Mine Haulage Roads A Manual

    the Bureau of Mines undertook a project to produce a design manual that would ultimately guide surface mine road planners toward safer, more efficient haulage systems. Such a manual did not exist prior to the conclusion of this project. This manual was produced under a contract let by the Bureau of Mines to Skelly and Loy Engineers and Consultants.

  • explosives Mining and Blasting

    Blast Design: This is meant to be a toolbox for blast design in conventional rock quarrying and open pit mines. This write-up is not meant to give straight answers to the blast design parameters, as every single quarry is unique.

  • Blast Hole Drilling: The Basic Process RPM Drilling

    Blasting Techniques and Methods Used Technique #1 Open mine blasting. Open pit mining refers to mining minerals from, as the name suggests, an open pit; or may refer to any similar shallow mining operation. Open mine blasting plays a pivotal role in determining the needs of all other mining

  • (PDF) A study in cost analysis of aggregate production as

    The cost calculation is one of the most important parameters in mining activities. Aggregate production operations include drilling, blasting, secondary crushing (if necessary), loading, hauling

  • BREAK-EVEN ANALYSIS OF MINING PROJECT

    5.2.1.12 Explosives and blasting practices 38 5.2.1.12.1 Pattern of holes, length and diameter of holes 38 5.2.1.12.2 Type of explosives 38 5.2.1.13 Status of mine 38 5.2.1.14 Stope position 39 5.2.1.15 Mine equipment, mechanical and electrical accessories and service facilities required 40 5.2.1.15.1 Mining

  • (PDF) ROCK BLASTING FOR MINING ResearchGate

    Bench blasting is a common blast technique m ost often used for open pit mines. By definition, bench blasting is blasting in a vertical or sub-vertical hole or a row of holes towar ds a free

  • Blast at Anglo American coal mine in Australia injures

    A new method to monitor soil stability at open-cast mines from space Scientists are using data from the Sentinel 1 mission to investigate lignite regions in North Rhine-Westphalia in Germany.

  • ON-BENCH PRACTICES FOR OPEN CUT MINES AND QUARRIES

    including blast notification,setting of blast gua rds, clearance of the blast exclusion zone, firing the shot, post-blast clearance ,or misfire management. These are described in the AEISG Code of Good Practice, “Blast Guarding in an Open Cut Mining Environment”.

  • Australian mining Australasian Mine Safety Journal

    Mining is a significant and important part of Australia’s economy. The Australian mining industry origins stem back to the early days of Australia’s settlement when first settlers identified sources of coal in 1797 near Newcastle New South Wales (Nobby’s Head).Coal was first used as a source of heating for the emerging economy and the rich Hunter Valley seams (often protruding from the

  • BLAST MANAGEMENT PLAN 2012 2015 Vale

    Saturday inclusive. No blasting is allowed on Sundays, public holidays, or at any other time without the written approval of the Director-General. 13. The Proponent shall not carry out more than: (a) 1 blast a day in the northern mining area unless an additional blast is required following a blast misfire;

  • Case Study Cast Blasting Orica Mining Services

    Larger diameter (229mm) is better suited for cast blasting for improved cast and cost. Cost analysis showed that designs with larger diameter blast holes lead to reduced mining cost and faster coal uncovery rate. The overall result of the first cast shot was excellent and Peabody Wilkie Creek Mine is continuing to see benefits of this project.

  • 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.

  • SHOTPlus™ Blast design and modelling software for

    Our SHOTPlus™ range of blast design and modelling software enable users to design, visualise and analyse blast initiation sequences across surface and underground mining, quarry and construction applications. SHOTPlus™ provides you the support and tools that you need to improve your productivity, safety and environmental performance.

  • Best practices: Drilling and blasting : Pit & Quarry

    Dec 07, 2015· Larry Mirabelli, senior manager at Buckley Powder Co., teamed with Bill Hissem, senior mining engineer at Sandvik Construction, to deliver a presentation on drilling and blasting at the 2015 Quarry Academy hosted by Dyno Nobel and Sandvik.. Mirabelli, who has more than 40 years of experience in explosives technology between Buckley Powder and Dyno Nobel discussed a concept

  • H BLASTING IN SURFACE EXCAVATION Mining and Blasting

    Secondary blasting can be done by pop shooting (blockholing) and plaster shooting (mudcapping). Shaped charges are sometime used in secondary blasting, but this is much more expensive. Cast Blasting When overburden is removed from a coal or mineral deposit it is generally cast to a waste dump by draglines, or removed by loaders and trucks.

  • BREAK-EVEN ANALYSIS OF MINING PROJECT

    5.2.1.12 Explosives and blasting practices 38 5.2.1.12.1 Pattern of holes, length and diameter of holes 38 5.2.1.12.2 Type of explosives 38 5.2.1.13 Status of mine 38 5.2.1.14 Stope position 39 5.2.1.15 Mine equipment, mechanical and electrical accessories and service facilities required 40 5.2.1.15.1 Mining

  • Risk assessment workbook for mines

    Risk Management Handbook for the Mining Industry).’ WRAC is a specific qualitative risk assessment method designed to be applied when an organisation wants to understand its risks and clearly identify the priority or highest risks in its operation. 5. Standards . Standards can be taken to mean Australian Standards, International Standards

  • (PPT) MINIMIZATION OF BOULDERS DURING BLASTING AT OPEN

    Academia.edu is a platform for academics to share research papers.

  • Reducing the Cost of Drill and Blast through Blast Design

    Northparkes Mine operates both underground (Block Caving) and open cut mines on their mining leases which cover 1630 hectares of the 6000 hectares of land owned in the area. The open cut operation consists of 2 excavators and a fleet of trucks. Drilling is sub-contracted to a third party and Orica Australia Pty Ltd through its Mining Services

  • New to Mining? Here are the Most Common Types of Mining

    Dec 21, 2015· Blasting equipment is used for both underground and open pit mining operations and is known to be one of the most hazardous aspects of the job. For mining operations to be successful good blast designs are absolutely vital as poor practices and excessive explosives can result in damage to rock structures causing unwanted caving.