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A coal company in west-central Alberta that in 2011 sold for $1-billion is bankrupt, killing hopes that its mine might re-open in the first quarter.
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Coal mining is the process of extracting coal from the ground. Coal is valued for its energy content, and, since the 1880s, has been widely used to generate electricity. Steel and cement industries use coal as a fuel for extraction of iron from iron ore and for cement production.
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Open pit mining is the process of mining a near surface deposit by means of a surface pit excavated using one or more horizontal benches. The term open pit mining is ...
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