Processing Gold Involves Transforming Rocks And Ore Into A Metallic Alloys Of Substantial Purity -Known As Dore' - Typically Containing Between 60 - 90% Gold. During Its Life, A Number Of Factors - Such As The Price Of Gold Or Input Cost Will Affect Which Areas Of An Ore Body Are Deemed Profitable (Economic) To Mine. We Mine Gold With Our Already Owed Placer Gold Mining Equipment.