EE STANDING AT CORNER OF X CUT WATCHING SCOOP TRAVEL INTO THE X CUT. WHEN THE TIRE RAN ON TOP OF LOOSE RAIL LAYING ON MINE FLOOR THE RAIL FLIPPED STRIKING EE. CAUSED WAS AWARENESS AND REMOVING TRACK RAIL. COMPLAINCE WITH RULES/EGS NOT A FACTOR, PROTECTIVE EQUIPMENT NOT A FACTOR, MINER KNOWLEDGE COULD BE A FACTOR, MINING EQUIP SYSTEMS NOT A FACTOR.