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Originally Posted by danhughes
When a coin has been in the ground for a long time, it is attacked by outside elements. The result is that ions of metal from the coin are leached out into the surrounding ground.
This is called the Halo Effect, and it causes the coin to look larger to your metal detector. That's why you can find older coins easier than you can find newer coins at the same depth.
My newest podcast (internet radio show you can listen to on your computer) gives you the facts about the Halo Effect, and tells you how you can take advantage of it.
Go to http://thetreasurecorner.com and click the pink button to listen to this short (about 4 minutes) program.
---Dan Hughes, http://treasuremanual.com |
Hi Dan,
What is your source of the facts you broadcasted telling how halo works?
Best wishes,
J_P