Leaderboard

Steve H has talked about the value of VLF machines many times, but here's my own new experience. I was bored during the holidays with time on my hands for detecting, alas my GPX is still at the Minelab detector Doctor. I decided to take Steve's sage wisdom to heart and give the Gold Bug 2 and 6.5" coil a proper go. I bought the GB2 from Steve at AMDS last year and had it out a couple times, a few crumbs here and there. I just never took the time to really get to know the detector. I know a weathered little valley down Yuma way, where the oldtimers drywashed the hell out of every wash and gulley. A couple years ago I pulled a sub-gram nugget off the slope with no more than 6 inches of dirt and gravel to host rock. I figured that would be prime ground for the GB. I planned an overnighter so that I could get the most out of detecting time, only to discover I had forgotten my headphones. Oh well, the GB has an external speaker, not ideal situation but tolerable. I rigged a neck strap for the control box to that the speaker was closer to my ears. That setup was fantastic, I would highly recommend it even with headphones. You can wave that wand with the little coil all day without any arm fatigue. I found my old dig hole and started beeping. Within minutes found gold and some decent pieces. Over the next 2 days I found 38 pieces in a band about 20 ft wide and maybe 100 ft long. I stood on the hill and looked at my gravel scrapes and the band was plain as day. There were a few oldtimer exploration holes nearby, all into a seam of red looking ore. I checked their tailings, lousy with iron trash from blasting caps and such. The photo shows the gold divided into categories. The biggest are in the .5 to .7 grams. The next size is 2 to 4 grains. The next size are sub-grain, 12 of them weighed 4 grains. The last ones with a ballpoint pen for scale are so tiny the whole lot won't register on my scale. What I learned. The GB2 is a fantastic machine in the right circumstances. In moderate ground it really has to move way way slow. The threshold autotune really needs time to catch up going over mineralized ground or you're going to hear far too many beeps, geeps and groans. Slow that bad boy down. The Maxed Out settings are the ticket to hear those little bitty ones. Iron discriminate will probably lose you gold. It would be a difficult machine to actually search for new spots. The coil coverage is so small and you have to move way too slow. It's suited for ground where you already know there is gold and can concentrate on low and slow. Like most of you, I enjoy the hunt. Sure, I wish all those nuggets were all in plus gram size, but I had a great time chasing those crumbs. Bravo Zulu to Steve H. for sharing his wisdom and knowledge for all things prospecting.

I visited Ganes Creek, Alaska many times over the years. This was always to metal detect for gold in my case. However, there were others who wanted to suction dredge while at Ganes Creek. My friend Brian Berkhahn was one of them. Brian just loves dredging. Detecting he is good at but has less patience for. So in 2002 while we were at Ganes on a nugget hunt Brian talked Doug into letting him use a 5" Keene dredge they had at the mine. There was a drainage ditch upstream where several large nuggets had been found in the pile of material dug out of the ditch. I was a bit skeptical as the nuggets in the tailings are few and far between, but Brian wanted to give it a go. As I recall he did not find much here, but he does have the distinction of being one of the few guys who have done some dredging at Ganes Creek. He is on the forum so maybe he will chime in with his recollections on this photo.

Steve's post above is sound advice from someone who knows. In case someone is now going to obsess about which VLF detector to get - well, since I am retired now and having a bit of time on my hands and a background in purchasing, I decided to amass a battery of used VLF gold machines and decide which one suited me best. I will spare everyone the ongoing details of comparing: GMT GM 4b chest mount MXT with 4x6' 6x10, and 10" DD coils (also a Bigfoot) Lobo Super Trac with 6x10 and 3x7 DD coils Gold Bug Pro with 5", 6x10 and 11" coils Gold Bug 2 with 3x6 and 6x10 coils Preliminary results of chasing all kinds of test targets indicate that it probably doesn't make a whole lot of difference which one you use. If you get the detector over gold detectable by a VLF machine, you will probably get it with any of the above. Of course there are differences between all the machine and coil combinations, but the main thing is pick one you like and learn it, then go to where there is detectable gold and get busy! Meanwhile I will keep playing with my harem of detectors. I may even bore all of you with my "findings". There is not a bad tool in the bunch! I will share one surprising result however. The MXT with a Bigfoot coil has amazing depth in my moderately mineralized AZ dirt. It rivals the 6x10 both in all metal and relic modes.