In pit crusher conveyour system - SlideShareApr 11, 2017 . CRUSHER ▻ Crushing is the first step of mineral processing where 17 from the compressive forces presented by the rotating rolls. Some major .. Cost of the Equipment (in 1994) is 16.50 crores ▻ In-pit crushing and conveying is an alternative system for transport in open pit mines. Depending on.mini crusher open pit crush process in mining,Crushing and conveying – Waihi GoldThe crushers. The crushing system at the Martha Mine open pit consists of a combination of two types of crushers, a jaw crusher and two Stamler feeder breakers. The jaw crusher is capable of crushing material with a strength of over 150 megapascals (MPa). By way of comparison, concrete has a strength of 20-30 MPa.