Crushed stone - WikipediaStone resources of the world are very large. High-purity line and dolomite suitable for specialty uses are limited in many geographic areas. Crushed stone substitutes for roadbuilding include sand and gravel, and slag. Substitutes for crushed stone used as construction aggregates include sand and gravel, iron and.chamical المستخدمة في سحق الحجارة,Crushed Stone - USGS Mineral Resources ProgramIt has been used from the earliest times of our civilization for a variety of uses that have increased in number and complexity with time and technological progress. Today, in its crushed form, stone is a major basic raw material for construction, agriculture, and other industries that use complex chemical and metallurgical.
chamical المستخدمة في سحق الحجارة