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Coal is a combustible black or brownish-black sedimentary rock, formed as rock strata called coal seams. Coal is mostly carbon with variable amounts of other elements; chiefly hydrogen, sulfur, oxygen, and nitrogen. [3] As a fossil fuel burned for heat, coal supplies about a quarter of the world's primary energy and two-fifths of its ...
Most coal is used as fuel. 27.6% of world energy was supplied by coal in 2017 and Asia used almost three-quarters of it. [79] Other large-scale applications also exist. The energy density of coal is roughly 24 megajoules per kilogram [80] (approximately 6.7 kilowatt-hours per kg). For a coal power plant with a 40% efficiency, it takes an ...
Coal mining regions are significant resource extraction industries in many parts of the world. They provide a large amount of the fossil fuel energy in the world economy.. The People's Republic of China is the largest producer of coal in the world, while Australia is the largest coal exporter. [1]
Coal production by region. This is a list of countries by coal production ranking countries with coal production larger than 5 million tonnes as of 2023.
The U.S. Energy Information Administration (EIA) highlights a positive future for Powder River Basin (PRB) coal. That's good news for miners like Peabody Energy , Arch Coal , and especially Cloud ...
The European deposits include the Coal Measures of Britain, which account for most of Britain's coal production and which are mostly bituminous coal. [46] The Westfield coal basin is the largest in Britain. [47] Other significant bituminous coal deposits are found through much of Europe, including France, Germany, and northern Italy. [48]
The production of lignite was 36.61 million metric tons (40.36 million short tons) in 2020–21, a decrease of 13.04% over the previous fiscal. Production of coal grew by a compound annual growth rate (CAGR) of 3.19%, and production of lignite declined by a CAGR of 1.60% over the last 10 years. [21] Coal mining is one of India's most dangerous ...
Geologically, the largest most concentrated anthracite deposit in the world is found in the Lackawanna Coal Mine in northeastern Pennsylvania, United States in and around Scranton, Pennsylvania. Locally called the Coal Region , the deposit contains 480 square miles (1,200 km 2 ) of coal-bearing rock which originally held 22.8 billion short tons ...