جواليور المجاميع التعدين
Construction aggregate - WikipediaConstruction aggregate, or simply "aggregate", is a broad category of coarse to medium grained 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. . into three main areas: Mining of mineral aggregate deposits, including sand,.جواليور المجاميع التعدين,Aggregate Mining - an overview - Regional Aquatics Monitoring .The term "aggregate" is defined, and its importance and uses are described. Sources of aggregate resources are also described.