Barry A. Wills, James A. Finch FRSC, FCIM,, in Wills' Mineral Processing Technology (Eighth Edition), 2016. Canica Vertical Shaft Impact Crusher . This crusher developed by Jaques (now ® Mineral Processing Solutions) has several internal chamber configurations available depending on the abrasiveness of the ore. Examples include the Rock on Rock, Rock on Anvil and Shoe and Anvil ...