petrified (
http://definr.com/petrified)
adj 1: converted into stone
2: converted into a mineral; "petrified wood" [syn:
mineralized]
3: so frightened as to be unable to move; stunned or paralyzed
with terror; "petrified with fear"; "she was petrified by
the eerie sound"; "too numb with fear to move" [syn:
numb]