Construction aggregate - Wikipedia, the free encyclopediaConstruction aggregate, or simply "aggregate", is a broad category of coarse particulate . Aggregates are also used as base material under foundations, roads, and . Sources for these basic materials can be grouped into three main areas: Mining of mineral aggregate deposits, including sand, gravel, and stone; use of.used ballast aggregate mining equipment,Wyoming's Construction Aggregate Resource - Wyoming State .It is also the most mined and widely used of natural resources in . ballast for railroad construction. Wyoming aggregate mining operations include granite, line .. the material with heavy equipment in anticipation of a growing market and.USGS Minerals Information: Statistical Compendium - CRUSHED .Jan 11, 2013 . Stone has been used since the earliest days of our civilization, first as a . Small quantities of crushed stone, used mainly as construction aggregates, are . riprap, and railroad ballast are the major uses without a binder. . As a result of rising costs of labor, energy, and mining and processing equipment,.
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