USING ROTARY TABLE ON DRILLIG RIG TO BREAK CORE BIT FROM BARREL HAD 48"" PIPE WRENCH JAW IN TABLE TO FORCE BIT TO TURN WITH TABLE ARTER BIT BROKE FROM BARREL, 48"" PIPE WRENCH JAW BECAME WEDGED IN TABLE OPERATOR ATTEMPTED TO LIFT CORE BARRELL FROM TABLE TO DISLODGE JAW. EE GRABBED AT JAW, FINGER TIP CAUGHT UNDER JAW TIP OF FINGER SMASHED.