True giants of mining worlds top 10 iron ore mines,sep HP billitons yandi mine located in western australia is the biggest singlepit opencut iron ore in the world in terms of annual production In 2014 of iron ore were produced there
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sep HP billitons yandi mine located in western australia is the biggest singlepit opencut iron ore in the world in terms of annual production In 2014 of iron ore were produced thereiron ore mining at the mesabi iron range began in early 1866 the range estimated to be up to three miles wide and 120 miles long is the biggest iron range in the US and also one among the worlds biggest ranges the mesabi iron range is a narrow belt made up of ironrich sedimentary rocks otherwise known as the biwabik iron formationthe breen mine was opened in 1872 and other locations opened soon afterward but in the fall of 1873 the development of the mine was slowed when the effect of the national economic panic hit the menominee range and all preparation for mining ceased this ended the longest operation of an underground iron mine in the world with the ground