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Mineral symbols (text abbreviations) are used to abbreviate mineral groups, subgroups, and species, just as lettered symbols are used for the chemical elements. The first set of commonly used mineral symbols was published in 1983 and covered the common rock-forming minerals using 192 two- or three-lettered symbols. [ 1 ]
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This is a list of countries by coal production ranking countries with coal production larger than 5 million tonnes as of 2023. Coal production (million tonnes) Country
Coal India Limited (CIL) is an Indian public sector undertaking and the largest government-owned coal producer in the world. [4] [5] [6] Headquartered in Kolkata, it is under the administrative control of the Ministry of Coal, Government of India. [2] It accounts for around 82% of the total coal production in India. [7]
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Print/export Download as PDF; Printable version; In other projects ... Pages in category "Coal in India" The following 4 pages are in this category, out of 4 total.
South Eastern Coalfields Limited (SECL) is the largest coal producing company of India. It is a "Miniratna" Company, and one of eight fully owned subsidiaries of Coal India Limited. [1] [2] The company has its headquarter at Bilaspur, Chhattisgarh, India and 92 mines spread over Chhattisgarh & Madhya Pradesh; 70 underground, 21 opencast, and 1 ...