Selecting the Right Crusher for Quarry Operations. First published in the September 2014 issue of Quarry Management as From Flintstone to Finesse. Sean Donaghy, national sales manager of IROCK Crushers discusses what needs to be considered when choosing a crusher. Crushing rock is an age-old idea, but the reality of the task is a far cry from ...Impact Crusher: Compared with jaw crusher, Aimix’s impact crusher machine is a finely crushing equipment. It has wide applications. Moreover, this quarry equipment can crush all kinds of coarse, medium and fine materials, such as: limestone, feldspar, calcite, granite, talc, barite, fluorite, rare earth, coke, coal gangue, gypsum and so on.