the process of limestone production from query
Crushed Stone vs. Quarry Process vs. Stone Dust Braen Stone. May 21, 2017 Quarry process, also known as QP, dense grade aggregate (DGA), crusher run and road stone, is a combination of small, 3/4inchorless crushed stone and stone dust. Most often it is made out of crushed limestone, granitegneiss, trap rock or a combination of the aforementioned.