MI KW AM PR OPER TY SC ALE STR UC TU RES 17 P rope rty s c al e s truc ture i s de fi ne d b y ai rborne m ag as a s eri es of Z s haped fol ds These fol ds c ontrols orienta ti on and peri odi c i ty of hi gh grade gol d z ones M IK W A M L ONGI T UD INA L S E CT IO N