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Mining in the engineering discipline is the extraction of minerals from the ground. Mining engineering is associated with many other disciplines, such as mineral processing, exploration, excavation, geology, metallurgy, geotechnical engineering and surveying. A mining engineer may manage any phase of mining operations, from exploration and discovery of the mineral resources, through feasibility study, mine design, development of plans, production and operations to mine closure.
A mining accident is an accident that occurs during the process of mining minerals or metals. Thousands of miners die from mining accidents each year, especially from underground coal mining, although accidents also occur in hard rock mining. Coal mining is considered much more hazardous than hard rock mining due to flat-lying rock strata, generally incompetent rock, the presence of methane gas, and coal dust. Most of the deaths these days occur in developing countries, and rural parts of developed countries where safety measures are not practiced as fully. A mining disaster is an incident where there are five or more fatalities.
The Mine Safety and Health Administration (MSHA) is a large agency of the United States Department of Labor which administers the provisions of the Federal Mine Safety and Health Act of 1977 to enforce compliance with mandatory safety and health standards as a means to eliminate fatal accidents, to reduce the frequency and severity of nonfatal accidents, to minimize health hazards, and to promote improved safety and health conditions in the nation's mines. MSHA carries out the mandates of the Mine Act at all mining and mineral processing operations in the United States, regardless of size, number of employees, commodity mined, or method of extraction. David Zatezalo was sworn in as Assistant Secretary of Labor for Mine Safety and Health, and head of MSHA, on November 30, 2017. He served until January 20, 2021. Jeannette Galanais served as Acting Assistant Secretary by President Joe Biden on February 1, 2021 until Christopher Williamson took office on April 11, 2022.
Massey Energy Company was a coal extractor in the United States with substantial operations in West Virginia, Kentucky and Virginia. By revenue, it was the fourth largest producer of coal in the United States and the largest coal producer in Central Appalachia. By coal production weight, it was the sixth largest producer of coal in the United States.
Donald Leon Blankenship is an American businessman. He was chairman and CEO of the Massey Energy Company—the sixth-largest coal company in the United States—from 2000 until 2010 when an explosion at Massey's Upper Big Branch Mine resulted in the death of 29 workers. He served one year in prison for conspiring to violate federal mine safety standards.
The Sago Mine disaster was a coal mine explosion on January 2, 2006, at the Sago Mine in Sago, West Virginia, United States, near the Upshur County seat of Buckhannon. The blast and collapse trapped 13 miners for nearly two days; only one survived. It was the worst mining disaster in the United States since the Jim Walter Resources Mine disaster in Alabama on September 23, 2001, and the worst disaster in West Virginia since the 1968 Farmington Mine disaster. It was exceeded four years later by the Upper Big Branch Mine disaster, also a coal mine explosion in West Virginia, which killed 29 miners in April 2010.
The Aracoma Alma Mine accident occurred when a conveyor belt in the Aracoma Alma Mine No. 1 at Melville in Logan County, West Virginia, caught fire. The conveyor belt ignited on the morning of January 19, 2006, pouring smoke through the gaps in the wall and into the fresh air passageway that the miners were supposed to use for their escape, obscuring their vision and ultimately leading to the death of two of them. The two men, Ellery Hatfield, 47 and Don Bragg, 33, died of carbon monoxide poisoning when they became separated from 10 other members of their crew. The others held hands and edged through the air intake amid dense smoke.
The Senghenydd colliery disaster, also known as the Senghenydd explosion, occurred at the Universal Colliery in Senghenydd, near Caerphilly, Glamorgan, Wales, on 14 October 1913. The explosion, which killed 439 miners and a rescuer, is the worst mining accident in the United Kingdom. Universal Colliery, on the South Wales Coalfield, extracted steam coal, which was much in demand. Some of the region's coal seams contained high quantities of firedamp, a highly explosive gas consisting of methane and hydrogen.
The Safety and Health in Mines Convention, 1995 is an International Labor Organization Convention adopted at the 82nd International Labor Conference (ILC). The convention (C176) was developed and adopted to better recognize the inherent hazards of the mining workplace and the necessity of addressing these hazards on a global scale.
Mine rescue or mines rescue is the specialised job of rescuing miners and others who have become trapped or injured in underground mines because of mining accidents, roof falls or floods and disasters such as explosions.
The health and environmental impact of the coal industry includes issues such as land use, waste management, water and air pollution, caused by the coal mining, processing and the use of its products. In addition to atmospheric pollution, coal burning produces hundreds of millions of tons of solid waste products annually, including fly ash, bottom ash, and flue-gas desulfurization sludge, that contain mercury, uranium, thorium, arsenic, and other heavy metals. Coal is the largest contributor to the human-made increase of carbon dioxide in Earth's atmosphere.
Through-the-Earth (TTE) signalling is a type of radio signalling used in mines and caves that uses low-frequency waves to penetrate dirt and rock, which are opaque to higher-frequency conventional radio signals.
The Upper Big Branch Mine disaster occurred on April 5, 2010, roughly 1,000 feet (300 m) underground in Raleigh County, West Virginia at Massey Energy's Upper Big Branch coal mine located in Montcoal. 29 out of 31 at the site were killed. The coal dust explosion occurred at 3:27 pm. The incident was the worst in the United States since 1970, when 38 miners were killed at Finley Coal Company's No. 15 and 16 mines in Hyden, Kentucky. A state funded independent investigation later found Massey Energy directly responsible for the blast.
The Pike River Mine disaster was a coal mining accident that began on 19 November 2010 in the Pike River Mine, 46 km (29 mi) northeast of Greymouth, in the West Coast region of New Zealand's South Island following a methane explosion at approximately 3:44 pm. The accident resulted in the deaths of 29 miners.
Mine safety is a broad term referring to the practice of controlling and managing a wide range of hazards associated with the life cycle of mining-related activities. Mine safety practice involves the implementation of recognised hazard controls and/or reduction of risks associated with mining activities to legally, socially and morally acceptable levels. While the fundamental principle of mine safety is to remove health and safety risks to mine workers, mining safety practice may also focus on the reduction of risks to plant (machinery) together with the structure and orebody of the mine.
The Coal Mines Act 1911 amended and consolidated legislation in the United Kingdom related to collieries. A series of mine disasters in the 19th and early-20th centuries had led to commissions of enquiry and legislation to improve mining safety. The 1911 Act, sponsored by Winston Churchill, was passed by the Liberal government of H. H. Asquith. It built on earlier regulations and provided for many improvement to safety and other aspects of the coal mining industry. An important aspect was that mine owners were required to ensure there were mines rescue stations near each colliery with equipped and trained staff. Although amended several times, it was the main legislation governing coal mining for many years.
American Consolidated Natural Resources, previously known as Murray Energy, is a US-based coal mining company. It is the fourth largest coal producer in the country, and the largest privately-owned coal company. Founded in 1988 by Robert E. Murray, the company filed for bankruptcy in 2019. The company gained notoriety following the collapse of the Crandall Canyon Mine in 2007, following a number of citations and fines for safety practices at the site.
The 1923 Bellbird Mining Disaster took place on 1 September 1923 when there was a fire at Hetton-Bellbird coal mine, known locally as the Bellbird Colliery or mine. The coal mine was located near the village of Bellbird, which is itself three miles southwest of Cessnock in the Northern coalfields of New South Wales, Australia. The accident occurred in the No. 1 Workings of the mine and resulted in the deaths of 21 miners and their horses. At the time of the disaster the mine employed 538 people including 369 who worked underground.
The Scotia Mine was a coal mine that operated in the community of Oven Fork in Letcher County, Kentucky. The mine began operations in 1962, as a subsidiary of the Blue Diamond Coal Company. In March 1976, two explosions occurred within the mine, killing 26 miners. The explosions led to the passage of several acts relating to safety in coal mines.
References
- ↑ ,
- ↑ "The Mines Rescue Rules, 1985". Nova Mining. 18 July 2014. Archived from the original on 14 September 2016. Retrieved 24 October 2024.
- ↑ "India, Mines Rescue Rules, 1985". International Labour Organization. 2008. Archived from the original on 6 June 2015. Retrieved 24 October 2024.