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Thread: PI metal detectors for nuggets.

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  1. #1

    Apr 2018
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    All Types Of Treasure Hunting

    PI metal detectors for nuggets.

    Hi all, I have some questions about PI detectors and nugget hunting. I've heard PI units are good for use in bad mineralized ground and areas with hot rocks. I've also heard they're not so good on the smaller gold. I understand all of that but what I'm wondering is why some PI detectors like the Sea Hunter Mark II designed for beach hunting are not good for nugget hunting. I thought all PI detectors were basically dig all signals anyways. Being a PI detector, I would have thought the Sea Hunter could handle hot rocks and mineralization. Thanks inadvance for any clarification on this subject!
    Terry Soloman and Aufisher like this.

  2. #2
    Charter Member
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    Make America Great Again!

    May 2010
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    Hello and WELCOME!

    Some pulse induction machines are preset at the factory, with minimal controls and no ground balancing or noise reduction capabilities - Like the Sea Hunter; Sand Shark; Dual Field. Other more expensive machines, Minelab SD; GP; GPX; GPZ - offer more power and programming abilities. My Sand Shark could only find nuggets in Arizona, that were above 2-grams in size, while my GPZ 7000. can find sub-gram gold, and has depth on a one-ounce nugget of an honest 30+ inches.
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  3. #3

    Apr 2018
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    4 times
    All Types Of Treasure Hunting
    Thanks for the info! I've got a tdi sl that I've been nugget hunting with in Oregon. I'm thinking of getting a Whites GMT soon to help find smaller gold and maybe bigger gold too! I'm hoping the ground here in Southern Oregon won't be too mineralized and full of hot rocks for the GMT to handle.
    Smithsgold and Terry Soloman like this.

  4. #4
    Charter Member
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    May 2010
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    Quote Originally Posted by JameyL View Post
    Thanks for the info! I've got a tdi sl that I've been nugget hunting with in Oregon. I'm thinking of getting a Whites GMT soon to help find smaller gold and maybe bigger gold too! I'm hoping the ground here in Southern Oregon won't be too mineralized and full of hot rocks for the GMT to handle.
    You also need to check out the Minelab Gold Monster 1000 https://www.minelab.com/__files/f/31...i%20Manual.pdf BEFORE you buy the GMT! I'm also hearing great things from the goldfields on the Equinox 800.
    Jim Hemmingway and Aufisher like this.

  5. #5
    us
    Jan 2007
    Gold Canyon AZ
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    PI gold detectors use a multi-channel signal analysis system to allow ground balance.

    They are much less affected by black sand and hot rocks.

    None of them except the SDC2300 are particularly sensitene to tiny gold.

    The most common PI’s for nigget hunting are the Minelab GP and GPX series, The Garrett ATN and the Whites TDI.

    The Minelab GPZ is not a PI detector in the usual sense of the word, but is clearly the best overall gold detector.
    Monster - are all VLF Induction Balance detectors and are much more affected by high mineralization - on the other hand, they find the tiniest nuggets.
    Jim Hemmingway likes this.

  6. #6
    RTR
    RTR is offline
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    Roger

    Nov 2017
    Smith Mt. Lake Va.
    Teknetics Liberator Falcon MD-20
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    The Falcon MD-20 is the best tool for finding gold.Mine is 7 years old and never let me down.

  7. #7
    us
    May 2009
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    Quote Originally Posted by RTR View Post
    The Falcon MD-20 is the best tool for finding gold.Mine is 7 years old and never let me down.


    and it takes how long to cover a hillside or wash?

    Can find pieces how deep?


    It finds gold it is not the best nugget hunting machine by any stretch.

  8. #8
    RTR
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    Roger

    Nov 2017
    Smith Mt. Lake Va.
    Teknetics Liberator Falcon MD-20
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    Quote Originally Posted by Goldwasher View Post
    and it takes how long to cover a hillside or wash?

    Can find pieces how deep?


    It finds gold it is not the best nugget hunting machine by any stretch.
    Oh Really lolClick image for larger version. 

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    Last edited by RTR; Apr 16, 2018 at 11:15 AM.
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  9. #9
    us
    May 2014
    AZ
    Whippet Dry Washer, Lobo ST, numerous pans, rocker box, and home made fluid bed and stream sluices.
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    Prospecting
    Nice finds. Am I wrong or did you not just cherry pick from concentrates or visually suspect stones that were picked up?
    Goldwasher likes this.
    If it can't be grown, it must be mined!

  10. #10
    RTR
    RTR is offline
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    Roger

    Nov 2017
    Smith Mt. Lake Va.
    Teknetics Liberator Falcon MD-20
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    Most of that was inside quarts some of it deep.That gold vein w/in that specimen was hidden over 1 down, in solid quarts.

  11. #11
    Charter Member
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    Make America Great Again!

    May 2010
    White Plains, New York
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    The Falcon is a "Pinpointer" - not a metal detector as normally thought of. No one uses the Falcon as a metal detector.
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    Jim Hemmingway likes this.

  12. #12
    RTR
    RTR is offline
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    Roger

    Nov 2017
    Smith Mt. Lake Va.
    Teknetics Liberator Falcon MD-20
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    Quote Originally Posted by Terry Soloman View Post
    The Falcon is a "Pinpointer" - not a metal detector as normally thought of. No one uses the Falcon as a metal detector.
    Call it what ever you want.The pictures speak for themselves.
    Terry Soloman likes this.

  13. #13
    us
    May 2009
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    Quote Originally Posted by Terry Soloman View Post
    You also need to check out the Minelab Gold Monster 1000 https://www.minelab.com/__files/f/31...i%20Manual.pdf BEFORE you buy the GMT! I'm also hearing great things from the goldfields on the Equinox 800.

    I also hear that the 800 is hard to get
    Terry Soloman likes this.

  14. #14
    Charter Member
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    Make America Great Again!

    May 2010
    White Plains, New York
    Minelab GPZ 7000; Equinox 600 -- Tesoro Mojave; Lobo Super Traq -- Makro Multi Kruzer -- Notka Pinpointer
    14,367
    16779 times
    Metal Detecting
    Quote Originally Posted by Goldwasher View Post
    I also hear that the 800 is hard to get
    Minelab Equinox 800

  15. #15
    us
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    Quote Originally Posted by Terry Soloman View Post

    I think "pre -order" is Kangaroo for "hard to get"
    Terry Soloman likes this.

 

 
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