â¢ SIUM LATIFOLIUM (noun). The noun SIUM LATIFOLIUM has 1 sense: 1. large stout white-flowered perennial found wild in shallow fresh water; Europe. Familiarity information: SIUM LATIFOLIUM used as a noun is very rare. SIUM LATIFOLIUM (noun). The noun SIUM LATIFOLIUM has 1 sense: 1. large stout white-flowered perennial found wild in shallow fresh water; Europe. Familiarity information: SIUM LATIFOLIUM used as a noun is very rare.
Coal producers. The largest coal producing countries are not confined to one region - the top five hard coal producers are China, the USA, India, Australia and Indonesia. Much of global coal production is used in the country in which it was produced; only around 15% of hard coal production is destined for the international coal market.
Coal (from the Old English term col, which has meant mineral of fossilized carbon since the 13th century) is a combustible black or brownish-black sedimentary rock usually occurring in rock strata in layers or veins called coal beds or coal seams.oal is extracted from the ground by coal mining, either underground by shaft mining, or at ground level by open pit mining extraction. Since 1983 the world top coal producer has been China. In 2011 China produced 3,520 million tonnes of coal â 49.5% of 7,695 million tonnes world coal production.