Explosives utilization at a Witwatersrand gold mine
نویسندگان
چکیده
منابع مشابه
Grinding Circuit at Mouteh Gold Mine
This study was conducted in Mouteh grinding circuit. Mouteh gold processing plant is located in Esfahan province,center of Iran, close to Mouteh open pit mine. One of the main problems in this circuit is low efficiency grinding operation. In this study, first grinding circuit and its performance parameters are evaluated. Laboratory and corrected operating Bond work index subsequently were calcu...
متن کاملThe viability of using the Witwatersrand gold mine tailings for brickmaking
South Africa is a mineral-rich country with metals such as gold, copper, and platinum group metals being exploited to a significant extent in the country’s mining history. Mining generates large volumes of tailings, with consequent disposal and environmental problems. By far the most gold that has been mined in South Africa (98%) has come from the Witwatersrand goldfields (Messner, 1991). The g...
متن کاملSilicosis on the Witwatersrand Gold Mines.
Silicosis is an incurable non-infectious occupational disease. It is one of the pneumoconioses, a generic group of long diseases associated with dusty occupations. Silicosis is caused by continuous inhalation of microscopic particles of free silica (quartz) dust measuring from one to three microns in diameter (a micron is equivalent to 0,0001 centimetres). If these particles penetrate to the de...
متن کاملHearing protection device usage at a South African gold mine.
BACKGROUND Occupational noise-induced hearing loss (NIHL) occurs in many industries despite interventions such as hearing conservation programmes. AIMS To determine the actual and reported use of hearing protection devices (HPDs) in noise-exposed gold mine workers and their reported knowledge, attitudes and practices relating to NIHL and HPDs. METHODS A cross-sectional descriptive study was...
متن کاملLabour’s utilization and labour’s productivity of a gold mine in Saudi Arabia
According to Dean1, the largest component of an underground mine’s operating expenses is the labour cost, typically from 40% to 50% with some as high as 60% of the total cost. Industrial managers know that the total cost will go down if they can accomplish the job with fewer people. Moreover, enhancing the productivity per man-hour is one of the greatest savings in manpower and that can be a po...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Journal of the Southern African Institute of Mining and Metallurgy
سال: 2015
ISSN: 0038-223X,2411-9717
DOI: 10.17159/2411-9717/2015/v115n4a5