Shasta gold hunter Posted May 28, 2017 Share Posted May 28, 2017 I had my first experience with caliche recently...I was wondering if anyone has advice on which coils work well on caliche covered nuggets. I plan to buy a 9x14 evolution soon, but don't know if that will be better in this regard. I was swinging an advantage 12" RM and managed to get one, but thought there could have been some I may not have heard. I use a goldscreamer and it blasts on the tiniest of targets so I think there may be something special about nuggets with caliche. Any experience you can share is appreciated. Link to comment Share on other sites More sharing options...
Steve Herschbach Posted May 28, 2017 Share Posted May 28, 2017 Caliche is usually calcium carbonate and is normally invisible to a metal detector. 1 Link to comment Share on other sites More sharing options...
Shasta gold hunter Posted May 28, 2017 Author Share Posted May 28, 2017 8 minutes ago, Steve Herschbach said: Caliche is usually calcium carbonate and is normally invisible to a metal detector. Oh. ? I was leaning hard towards "the caliche makes the nuggets invisible to a metal detector" Link to comment Share on other sites More sharing options...
mn90403 Posted May 28, 2017 Share Posted May 28, 2017 Congratulations. It sounds like you got at least one out there! 1 Link to comment Share on other sites More sharing options...
Shasta gold hunter Posted May 28, 2017 Author Share Posted May 28, 2017 Is there something different in the ground type where caliche exists that tends to mask or make it more difficult to hear nuggets in this ground? Link to comment Share on other sites More sharing options...
Shasta gold hunter Posted May 28, 2017 Author Share Posted May 28, 2017 3 minutes ago, mn90403 said: Congratulations. It sounds like you got at least one out there! Yes, I did find one in the vicinity...on my last day after leaving camp. It was nice to meet you. Any luck on the meteorites? Link to comment Share on other sites More sharing options...
mn90403 Posted May 28, 2017 Share Posted May 28, 2017 As Steve said there is no affect on a metal detector but you still have to deal with physical issues. If the caliche is very thick then you won't be able to see all the way through it. More likely than not there just was not much gold there. The caliche can go on for acres and has little to do with the gold other than it is sometimes a false bedrock and keeps the gold from going deeper. It can be a pay layer but it doesn't have to be. Mitchel 1 Link to comment Share on other sites More sharing options...
Shasta gold hunter Posted May 28, 2017 Author Share Posted May 28, 2017 Thanks Mitchell. Link to comment Share on other sites More sharing options...
mn90403 Posted May 28, 2017 Share Posted May 28, 2017 I got the one flake in the first hour and that was it for the trip. My mind was 'tripping' from all the driving and I went over to Rye Patch by the end of the day and then went exploring around Fallon, Nevada the second half of Sunday. It was just a long Road Trip for me. Link to comment Share on other sites More sharing options...
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