grinding and magnetic separation. A Dobrin and SavitConcentration Shortcuts How to Get into a Flow State Types of Concentration Meditation 1. Object Focus Meditation 2. Word Focus …US3045821A - Magnetic concentration method - Google Patents Magnetic concentration method Download PDF Info Publication number US3045821A ... magnetic core separator discharge pickup Prior art date Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no ...The magnetic method exploits the contrasts in magnetization of subsurface rocks. As a reconnaissance tool