July 2016
Volume 68    Issue 7

Crushed stone fares well in 2015; Production made it the largest mining industry

Mining Engineering , 2016, Vol. 68, No. 7, pp. 20-20
Zdunczyk, Mark


The term “aggregate” has a number of definitions depending primarily on the use of the material. Aggregate in some context is sand, gravel, crushed stone, slag or other material of mineral composition used in bituminous and portland cement concrete, mortar, plaster, railroad ballast, filter beds and a variety of other uses where aggregates can be utilized.  

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