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Telaga Batu inscription is a 7th-century Srivijayan inscription discovered in Sabokingking, 3 Ilir, Ilir Timur II, Palembang, South Sumatra, Indonesia, around the 1950s. The inscription is now displayed in the National Museum of Indonesia , Jakarta , with inventory number D.155.
Batubara Regency is a regency on North Sumatra's eastern shoreline, with the town of Limapuluh as the seat of its administration. It was carved out from the seven most westerly coastal districts of Asahan Regency with effect from 15 June 2007.
Werner Sombart (/ ˈ v ɜːr n ər ˈ z ɒ m b ɑːr t /; German: [ˈzɔmbaʁt]; 19 January 1863 – 18 May 1941) was a German economist, historian and sociologist.Head of the "Youngest Historical School," he was one of the leading Continental European social scientists during the first quarter of the 20th century.
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. [1]
The reserve list specifies different types of coal and includes countries with at least 0.1% share of the estimated world's proven reserves of coal. All data are taken from the German Federal Institute for Geosciences and Natural Resources (BGR) via BP; all numbers are in million tonnes. [1]
The History of coal mining goes back thousands of years, with early mines documented in ancient China, the Roman Empire and other early historical economies.
Tanjung Bara itself has a fair tidal range from 4.4 to 2.8 meters (14.4–9.2 feet). The channel leading to the port has a higher draft allowed of 25 meters (82 feet). While the stockpile on the jetty can store up to 1.25 metric tons (1.38 short tons) of coal, each of the quadrant type loaders is capable of loading at a rate of 4,200 metric ...
Anthracite, also known as hard coal and black coal, is a hard, compact variety of coal that has a submetallic lustre.It has the highest carbon content, the fewest impurities, and the highest energy density of all types of coal and is the highest ranking of coals.