Crushed stone - WikipediaCrushed stone or angular rock is a form of construction aggregate, typically produced by mining a suitable rock deposit and breaking the removed rock down to the desired size using crushers. It is distinct from gravel which is produced by natural processes of . similarly without a binder for riprap, railroad track ballast, and filter stone.process of crushing rock ballast,Crushed Stone Mining - Encyclopedia of ArkansasDec 16, 2011 . Crushed stone is an angular form of construction aggregate, made by . such as river bank riprap, railroad track ballast, and filter stone. Fines, principally dust-sized particles produced by the crushing process, may be used in.
process of crushing rock ballast