What caused this rust?

I'm interested in this vehicle and noticed this rust.http://www.photodump.com/direct/morefriction/DSCF1149.jpg


Any possible explainations?

Thanks.

Rock chips from other cars flinging road sh*t at it?

Is it everywhere, or just on that fender?

Rock chips from other cars flinging road sh*t at it?

Is it everywhere, or just on that fender?
I'd have to agree. It looks as though whatever hit the vehicle, hit it at a high rate of speed, penetrating the paint, and compromised the primer underneath. From there it was only a matter of time before moisture and the elements caused rust to form.

A big cas of rust is parking in the grass or on gravel. the water vapor goes right up to your undercarriage(sp) and rusts it away. park on pavement if possible.

Thread closed. Do not bring up old threads.