Geological data from the Ministry of Energy and Mineral Resources reported coal reserves in Indonesia increased from 21 billion tons to 28 billion tons.
"Indonesia Coal Reserves 2-3 percent of world coal reserves," said Director of Commercial Development of Coal Ministry of Energy, Edy Prasodjo, in Jakarta.
Edy explained that the coal reserves of Indonesia's most widely spread in Sumatra and Kalimantan. The proven reserves of coal in Sumatra, as much as 3.4 billion tons and 11.3 billion tons of reserves immeasurably. Meanwhile, for the island of Borneo, proven coal reserves total 6.8 billion tons and 6.4 million tons of reserves immeasurably.
"The quality of coal in Sumatra it is low calorie, while in the middle of Borneo was a high calorie," he said.
For the total coal resource - coal deposits that are expected to be used - during 2011, up from 105 billion tons in 2010 to as much as 161 billion tons are scattered in Sumatra and Kalimantan. "There is new data coming from many companies, including new exploration," he explained.
Globally, Indonesia coal reserves reached 2-3 percent of world reserves of 826 billion tons. Largest reserves are in North America as much as 246 billion tons, followed by Russia's 147 billion tons, and China 115 billion tons.
After that, there is Australia, which has reserves of coal as much as 76 billion tons, followed by India 59 billion tonnes, the European continent mylar 50 tons, 32 billion tonnes of Africa, Africa 32 billion tons, and in the last position of the South American continent as much as 15 billion tons.
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