"The innovative combination of fine crushing using the VSI and...

"The innovative combination of fine crushing using the VSI and continuous gravity recovery with the IPJ, results in the liberation and recovery of free and sulphide related gold at its optimum particle size. Metallurgical test results from Morning Star indicate the ore’s high free milling gold content will result in 82%-92% recovery by gravity at the target crush size."

http://www.gekkos.com/news/10-tph-modular-plant-morning-star-gold

So your points are all invalid, Happy to help.