Ron (CA) has shown at http://www.detectorprospector.com/forum/topic/292-minelab-ctx-3030-finds-25-ounce-gold-nugget/ what should be obvious - the Minelab CTX 3030 can find large gold nuggets. Lately, I have been getting very interested again in just what detectors would serve me best hunting mineralized nail infested tailing piles looking for gold nuggets. The Minelab PI detectors and Garrett ATX have limited ability to identify ferrous stuff but both fail at depth and when the trash gets really