Mining news and commentary from around the globe daily updates on gold and commodity prices exploration mine development and mining company activities. The mining industry plays an important role in all 50 states in 2009 an estimated 1400 mines were operating in the united states1 as a supplier of coal metals industrial minerals sand and gravel to businesses manufacturers utilities and others the mining industry is vital to the well being of communities across the country. Mining in the united states has been active since colonial times but became a major industry in the 19th century with a number of new mineral discoveries causing a series of mining rushes in 2015 the value of coal metals and industrial minerals mined in the united states was us 1096 billion 158000 workers were directly employed by the mining industry. The mining industry is involved with extracting coal minerals and precious metals from the earthbefore a mine is created explorers may try to determine how much of a particular item is located in the area which is known as prospecting
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