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In 2018, reserves of anthracite and bituminous coal in Republic of Korea was 326 million tons. In the ranking by reserves of anthracite and bituminous coal including 34 countries, Republic of Korea has the 25th rank that is close to the positions of such countries as Japan and the Hungary. Compared to the United States of America which at the top of the ranking with reserves of anthracite and bituminous coal of 220,167 million tons in 2018, Republic of Korea has 99.85 % percent lower reserves of anthracite and bituminous coal.The description is composed by our digital data assistant.
An estimate of coal reserves, based on a demonstrated reserve base, adjusted for assumed accessibility and recovery factors, and does not include any specific economic feasibility criteria. In the United States, coals are classified by rank progressively from lignite (least carbonaceous) to anthracite (most carbonaceous) based on the proximate analyses of various properties (fixed carbon, volatile matter, heating value, and agglomerating character), following methods prescribed by the American Society for Testing and Materials. The International Coal Classification of the Economic Commission for Europe recognizes two broad categories of coal, “brown coal” and “hard coal.” In terms of U.S. coal classification, the international classification of brown coal includes lignite and lower-ranked subbituminous coal, whereas hard coal includes all higher rank coals.