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Please select the daily reNEWS alerts that you would like to receive from the list below, followed by the sign up button. Modular is the market leader in providing powerful information management solutions to meet the needs of both open pit and underground mining operations worldwide. Avoca Resources announced that it commenced placing cemented tailings (paste) into underground stopes at its Trident mine, Western Australia’s third largest underground gold mine, following the successful construction and commissioning of its paste plant.
All too often, a mining agreement that is vital to a country’s development and that will boost economic opportunity and job creation is an occasion for vilification by NGOs. Ventilation has always been a concern in underground mines.  For many years, there was very little understanding of how ventilation could be used to remove harmful contaminants from the air, or how to control airflow and isolate worked-out areas. Today, ventilation schemes typically consist of a complex network of open and sealed areas that provide fresh air to working faces while pushing dusty and gaseous air out of the mine.
In addition to the new 3-day cure for Tekseal®, Minova also unveiled new packaging that allows bulk handling of its standard-setting Tekseal® products. The new Minova bulk bags, constructed of a reinforced nylon material with a heavy-duty plastic liner, are tear- and water-resistant. The company has developed comprehensive documentation for the 3-day cure for Tekseal® and new bulk packaging systems.
TM, designed to enhance mine site safety.  The system was developed after extensive research by Caterpillar showed that 70% of haulage truck accidents at mine sites occur during initial machine startup and low speed movement. The system has been purpose-built to integrate with Cat large mining trucks-models 785, 789, 793 and 797-and is intended to aid an operator when starting to move a truck and during low speed maneuvering. Using a combination of short range radars, medium range radars and four cameras, the system monitors and shows the operator the areas immediately around the truck. Unlike basic camera systems, the Cat Integrated Object Detection System provides the operator with multiple types of warnings, both audible and visual. The system is wholly contained on the machine and does not require any off-board infrastructure.
Of course radar detects both moving and still objects, and camera views are available at all times. The Cat Integrated Object Detection System will be available for many current models of large mining trucks in early 2010.


For mining companies, a long-term licence to operate depends on a capacity to renew existing commitments while seeking new solutions to environmental concerns.Sustainability best practice recognises the need to reduce a site’s ecological footprint, so it is logical to include any mine camp in this equation.
As mining operations face ongoing demand to increase productivity and decrease costs without sacrificing safety, a challenge exaggerated by a lack of highly skilled operators, Atlas Copco has published Blasthole Drilling in Open Pit Mining aimed at helping customers successfully meet these challenges. Tenova TAKRAF has won a turnkey contract for the supply of one SRs2000 bucketwheel excavator  for the coal mine extension operated by the Zhahanaoer branch of the CPE Mengdong Energy Group. China, which is the world’s second-largest energy user, may consume between 4 and 6% more coal next year on continued economic growth, China Securities Journal said, reporting on a forecast from the China National Coal Association. OTB Products' 50 degree cooling vests can significantly reduce the threat of heat exhaustion amongst the workforce. Headquartered in Portland, Oregon, Columbia Steel's 86-acre facility is home to an on-site product design and engineering department and full-service steel foundry, with the capacity to produce wear parts and custom castings weighing up to 40,000 pounds. However, World Growth International and World Growth Mongolia are clearly NGOs of a different cut - NGOs with people at the forefront of their considerations and with no hidden agendas.
But even in the most controlled environments, mined-out areas continue to generate dangerous methane gases.  Continuous ventilation of these areas can strain fan systems and is not practical for continuously monitoring mines in operation for 30 years or more. The bulk bags can be placed above the placer unit to provide material previously contained in individual 45-lb bags.
The radar information is processed by a new on-board touch screen display, which alerts the operator with a visual indication followed by an audible alarm if the truck is put into gear. Three different levels of alarms indicate the proximity of an object or the urgency of taking action to avoid an object.
The system is scalable, allowing miners to start with just the four cameras and add radars later. Additionally, any critical zone warning that has not been acknowledged will trigger an audible alarm. Radars used include both short range radars, which detect objects as far away as 23 feet (7 meters), and medium range radars, which have a range of 66 feet (20 meters). Many companies have been embedding sustainability principles into mine camp design for decades and their experience in this area can be shared with others new to these concepts.
Atlas Copco shares the knowledge of its product experts and customers through 11 technical articles and nine case studies.


The Zhahanaoer coalfield lies at the northwest end of Togliao city in China’s Inner Mongolia Autonomous District.
Demand from the world’s biggest producer and consumer of coal could be about 3,400 Mt from this year, the newspaper reported. These two have applauded the Government of Mongolia for signing a landmark mining agreement to develop Oyu Tolgoi.
A display screen in the cab provides visual confirmation of the objects detected by radar, which enables the operator to make informed decisions when moving a truck. When the audible alarm is active the camera view will switch automatically to the zone that has a detected object.
The application of sustainable development principles can include the selection of location, materials, energy and waste management for the mine village. The technical articles offer important information in a practical and concise manner that everyone from experienced drill operators to industry novices will find useful and easy to understand.
The open pit mine is situated on a the ridge of the southern part of the Daxing’an mountain range. The system is integrated with VIMSTM and other on-board computers, enabling it to switch into camera-only mode when the machine travels beyond 66 feet (20 meters). In the event of multiple objects, the camera view will toggle between camera views in zones with objects. In this region the tough climate is characterised by temperatures varying from +39°C down to -39°C. A Minova bulk bag contains the equivalent of a full pallet of individual bags and requires no manual handling.  An added safety feature is the significant reduction in airborne dust and waste material handling. The Minova bulk system also reduces the time and labor required to install a seal and helps to ensure a consistent mix.



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