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Finding silver through aluminum
Posted by: bushmeister
Date: July 03, 2017 09:18PM
I can seemingly dig pennies like nobodies business. Quarters are also pretty defined. What I can't seem to get a handle on are dimes and nickels. Oh sure, I've dug a few, but I've dug enough aluminum to cash in on a small fortune (cans, tabs, etc). I just cant seem to get a handle on how to differentiate these reasonably. Any suggestions?

I'm searching AM, and 99 tones on my 705. I am also using the stock concentric coil at 7.5kHz in Midwest soil. I don't have a local support group or mentor to teach me these subtleties.

Thank you



Edited 1 time(s). Last edit at 07/03/2017 09:25PM by bushmeister.

Re: Finding silver through aluminum
Posted by: xwyokid
Date: July 04, 2017 08:13AM
Sometimes I will lift the coil up a few inches and see if the tone changes.

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Re: Finding silver through aluminum
Posted by: homebre
Date: July 05, 2017 05:16PM
For what its worth, if I use my 3 mHZ, I find more silver and copper but very few nickels. If I use the HF coil, I find many more nickels with my Xterra..
Andy in Hillsborough

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Re: Finding silver through aluminum
Posted by: 7centsworth
Date: July 06, 2017 04:46AM
It is almost impossible to tell small aluminum from coins. I just dig it. I found a few pieces the day I dig the two Indians posted above.



Christian Ky Boy
Minelab x-terra 70
Minelab pro find

Re: Finding silver through aluminum
Posted by: bd1024
Date: July 08, 2017 08:52AM
Use 4 tones, and the 18.75 coil. ---- The copper pennies and dimes will have the sweet high tone, ( same as quarters and fifty cents) which the coil also works very well on. . ---- ID # 34to #36 on dimes and pennies, smooth tones. --- Aluminum "screams" at you. pull tab VID's tend to bounce 16/34, 12/30, etc......

Re: Finding silver through aluminum
Posted by: bushmeister
Date: July 20, 2017 12:34PM
Thank everyone for your input. It is much appreciated.

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Re: Finding silver through aluminum
Posted by: utmike
Date: July 31, 2017 01:06AM
Completely agree with bd1024! I never take my small 18 khx coil off and I only use 4 tones as well.

My only additional comment would be square pull tabs and oddball aluminum are RARELY solid and repeatable from all directions. But, neither are unevenly shaped gold and platinum rings. Miss one group and miss them all. The big cans can often reveal themselves by lifting your coil off the ground. If it's banging at 8" above the ground, it's not likely to be a coin or ring. Pinpoint mode can sometimes be useful for "sizing" your target.

JMO...good luck and keep us posted on your successes!



Edited 1 time(s). Last edit at 07/31/2017 01:08AM by utmike.

Re: Finding silver through aluminum
Posted by: pplinker
Date: August 02, 2017 01:54PM
I've found the 3khz coil to be very hot on dimes. 4 tones. Sounds like you might just have an overload of aluminum in that spot.



Greetings and good luck from West Virginia

XP Dius, Minelab 704 with 3khz 9 inch coil, 18 KHZ 5 inch coil, 5 inch coiltek coil, 18 kHz 5 x 9 coil. Original Garrot pinpointer, Garrot pinpointer pro and M16 pinpointer

1831 large cent, 1838 seated silver dime, 1901 barber dime, 1864 two-cent piece,1886,1900 and 1904 Indian head pennies, 3 silver Washington quarters, 3 Roosevelt dimes. 30 or 40 wheats, 10K black hills gold ring, 1974 10K gold class ring, 1870 Artillery button, 1940 and 1944 Mercury dime, ?? three cent piece

I am a 61 year old wife and mother with two daughters and three granddaughters. I'm thankful for all God's blessings.

Re: Finding silver through aluminum
Posted by: bushmeister
Date: August 03, 2017 09:44AM
Thanks for all the great info!!

Re: Finding silver through aluminum
Posted by: bd1024
Date: August 15, 2017 07:33PM
The concentric coil really likes aluminum. If possible, get a DD coil. If you are digging copper pennies, you should be digging clad and silver dimes, (they pretty much ring up the same). ----- Try using 4 tones. --- Dimes, copper pennies and quarters will ring high tone, starting at VDI # about 36 for dimes and pennies, and usually 42 for quarters, 44/46 for larger coins. . ----- Nickels, (V-Nickels, and modern all ring up the same at 10 or12. -----The "all metal" mode is very fast, try using 4 tones, all metal, and a 6" 7.5 or 3khz coil, ( though I have found lots of coins with the 5x10 football coil also. ----

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