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Was going through some old notes and came across this bit of info concerning hunting for gold rings that I had completely forgotten about..

U

Uncle Willy

New member
This came from a study conducted by Fisher Laboratories some years back.
(1) Gold may have a conductivity range from tinfoil to zinc penny depending on alloy, composition, and size.

(2) Only 7% of all recovered gold rings fall within the notch discrimination of a nickel.

(3) This means that using notch to find nickels and gold rings and to knock out round and square tabs will result in losing 93% of the gold rings.

Bill
 
I had a spell selling life insurance 25 years ago. They said that it took 100 "no's" to get a "yes" So a "no" was good because eventually you would get a "yes" I believe I've dug about 1000 tabs without getting a "yes"! I'm on a dry spell for sure....
 
Me too also. I've been on a gold ring drought for some time now I may have to go detecting in a jewelry store to change my luck. :)

Bill
 
It doesn't help that I haven't had time to hunt lately. Going to try an old farm house on Sunday. Supposed to be 65 and sunny! Plus the grass hasn't grown so I believe I can go beeping!
 
Uncle Willy said:
This came from a study conducted by Fisher Laboratories some years back.
(1) Gold may have a conductivity range from tinfoil to zinc penny depending on alloy, composition, and size.

(2) Only 7% of all recovered gold rings fall within the notch discrimination of a nickel.

(3) This means that using notch to find nickels and gold rings and to knock out round and square tabs will result in losing 93% of the gold rings.

Bill
Click to expand...
Bill,
I remember that study - Fisher published it in their newsletter back then. The more recent efforts by Clive Clynick, Karl Chulick and others bears this out. These guys have studied pulltabs by the thousands as well as gold jewelry of all kinds and they found that most gold rings fall into the broad range we associate with pulltabs, plain and simple.

The smallest rings and low alloy gold can be in the high foil range, while gold chains can be still lower. But, the majority of gold rings and larger gold amulet-like pieces fall hard in the range from about 25 - 60 on the VDI scale. $20 Gold pieces and large mens rings will go even hiugher up to about 70.

For users of Garrett Graphic Target display instruments, this will be that "no-mans land" from the nickle notch to the notch at screwcap.
I have been working with my GTP 1350 since I got it and so far I have not found a relibale way to tell pulltabs and other aluminum trash from gold rings.
I'll keep working at it and if something turns up I will report it here.

In the meantime, thanks for the memory jogger. Remember, if finding gold jewelry was easy, everyone would do it.
 
This popped up in a search for the original article Bill mentions in this thread. And while I didnt find that specific article, this summary does a nice job

[size=medium]What About Those Gold Rings[/size] by Jack Ellet
We all have read or been told if we want to find gold rings you must dig all the trash and hope a gold ring comes out of it.[/b]
[This is great for the masochists among us, I suppose, but it has never satisfied me. - David]
But, there is another way to find gold rings with a metal detector.

Many years ago when Fisher first came out with the CZ6 metal detector, they did a test on gold rings. That particular metal detector has a different type of discrimination than other detectors. On the lowest end is iron, next is foil, next comes round tabs, square tabs, then nickels, zinc pennies, and all other
coins or items that have similar electrical conductivity.

To conduct the tests, they used 161 gold rings from four collections. They passed each ring across the coil and noted how it read. The reuslts were interesting:

Iron
 
You guys are talking, and I'm listening. It has taken quite a while for me to get it into my head that I have to dig some "junk" to score gold. I've been lazy and I'm trying to break old habits. I've passed on innumerable "foil" signals which leave me wondering.......................................
 
After you dig a couple of gold rings at foil or tabs you'll dig them all time permitting. I think I'm pretty good at hearing some tabs. But in my mind I think "this could be the one" so I go back and dig it. If I don't have much time to hunt I'll get lazy and notch out the tabs but still keep the foil and nickel notch in. The other day I had 10 minutes to hunt some of a yard. I notched everything out from zinc down thinking I could just hit some silver. I was right and out popped a 1964 dime. I will be going back with lower disc in the future.
 
I don't mind digging those possible gold junk ranges but something that really irritate me is the bits of chewed up pop tins (can Slaw )
that also fall in that range.:rant:
Those lazy so and so's that ride over them with the mowers instead of picking those empty pop cans up.:rage:
 
The good thing about rings is, regardless of where they come in at on the scale, they hit like coins. Foil juice lids give of a bigger signal and scrunched up foil will reflect the signal at various angles thus causing the meter to bounce around. even pull tabs have their own little idiosyncrasies. They can cause the meter to bounce around and if shallow, give off a single beep in one direction and 2 in the other.
Mick Evans.
 
Yeah can slaw is a real pain. I watched one of those guys the other day running his mower wide open around the grounds.

Bill
 
(when in doubt, dig it out! ) i dig everything above iron on the beach , dirt, or any place i can't cause damage, only use discrimination in the grass.Less holes. yes more trash, but if i don't, it will haunt me, thinking i may have missed something really cool.:detecting:
 
this is all a bit daunting for us newbs, but some is sinking in,, can't wait for or pro pointers, should make the holes smaller, so won't feel as bad digging all the trash targets in search of ring number 2
 
Excellent information that anyone hunting gold rings needs to be aware of.
Thanks for posting it Bill.
 
It's just too bad that tabs are not made of steel! Now along with pull tabs we have to enjoy digging those foil bottle seals, pill packages and ketchup packs too!
 
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