Construction aggregate - WikipediaConstruction aggregate, or simply "aggregate", is a broad category of coarse particulate material used in construction, including sand, gravel, crushed stone, slag, recycled concrete and geosynthetic aggregates. Aggregates are the most mined materials in the world. . In these areas, natural sand and gravel are mined for use as aggregate.gravel crushing considered mining,crushing development mining constructionAug 18, 2016 . The mobile crusher is considered as the core equipment to crush and . use to crush rocks gravel, and crushed rock; and the mining companies.
gravel crushing considered mining