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Thread: Gold race

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  1. #1
    us
    Rick

    Jan 2008
    Tuolumne county Ca
    Gold Bug II Falcon MD20 Garrett 1500 Fisher F2 Ace 250
    341
    407 times
    Prospecting

    Gold race

    A visual demo of the specific gravity of gold
    Goldwasher, NeoTokyo and bobw53 like this.

  2. #2

    Oct 2014
    Hatch, New Mexico
    522
    1140 times
    All Types Of Treasure Hunting
    I did the gold panning booth at the elementary school science fair for the past 2 years... Gold panning.. The whole entire thing revolves around gold being HEAVY...

    I had cups of sand/rocks... Black sand and ... Carbide inserts... Carbide inserts, being primarily tungsten, tungsen being within a few percentage points of the density of gold
    really sent the message home with the kids... Doesn't hurt that a lot of carbide inserts have a gold colored coating on them.

    The visual of how fast HEAVY stuff falls just might make its way into the next science fair. I like that idea...


  3. #3
    us
    Northern California

    Aug 2007
    Southern California
    XLT, GMT, 6000D Coinmaster
    4,017
    4509 times
    All Types Of Treasure Hunting
    Thank you hurthawk, nothing like a visual clue early in the morning!.................63bkpkr
    Out searching w/GMT & friend under my arm

  4. #4
    us
    Author of a book about finding gold in Colorado

    Jan 2012
    Summit County, Colorado
    Grizzly Goldtrap Explorer & Motherlode, Gold Cube with Banker on top, Bazooka Goldtrap sluices, Angus Mackirk Expedition, Gold-n-Sand Xtream Hand pump
    6,740
    10511 times
    Prospecting
    Here's the moment when the gold hits and you can see how far behind the Quartz is:Click image for larger version. 

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    bobw53 and AuTSaurus like this.

  5. #5
    us
    Tuberale

    May 2010
    Portland, Oregon
    White's Coinmaster Pro
    4,047
    702 times
    Yep, that should do it!

  6. #6
    Charter Member
    us
    Ed Tracy

    Jan 2015
    Shoreline,wa
    Equinox 800
    491
    807 times
    Prospecting
    Does that test change if the gold and quartz are the same weight, I wish it was that easy, I have to deal with a lot of clay and flood mud when I pan in my area, agitation is very important to get that gold down to the bottom of the pan, all area's you mine different, one method may work for one area but not the next. Nuggets, flakes and fines all act differently in the pan. Experience will show you how to pan your area.

  7. #7
    us
    Author of a book about finding gold in Colorado

    Jan 2012
    Summit County, Colorado
    Grizzly Goldtrap Explorer & Motherlode, Gold Cube with Banker on top, Bazooka Goldtrap sluices, Angus Mackirk Expedition, Gold-n-Sand Xtream Hand pump
    6,740
    10511 times
    Prospecting
    Quote Originally Posted by et1955 View Post
    Does that test change if the gold and quartz are the same weight, I wish it was that easy, I have to deal with a lot of clay and flood mud when I pan in my area, agitation is very important to get that gold down to the bottom of the pan, all area's you mine different, one method may work for one area but not the next. Nuggets, flakes and fines all act differently in the pan. Experience will show you how to pan your area.
    No t won't change because:
    - to be the same weight, the Quartz will be 5x larger and have 3-5x the resistance from the water (assuming the shapes are similar)
    ClaimStake and AuTSaurus like this.

  8. #8
    Charter Member
    us
    Ed Tracy

    Jan 2015
    Shoreline,wa
    Equinox 800
    491
    807 times
    Prospecting
    That is the problem, shapes are not the same in nature.

  9. #9
    us
    Aug 2009
    White's MXT all pro, MXT300 D2, 950, 4X6 DD, detech ultimate 13" DD coils
    2,257
    803 times
    All Types Of Treasure Hunting
    Those bottles are nice to have a got a couple and there pretty tough, haven't tried running the car over them or anything but it would take a lot to break them and there water proof as well.

  10. #10

    Feb 2007
    So. Ca.
    Excalibur, Goldbug2, Fisher CZ, White's Goldmaster, Vallon
    57
    78 times
    Quote Originally Posted by KevinInColorado View Post
    Here's the moment when the gold hits and you can see how far behind the Quartz is:Click image for larger version. 

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    Good "freeze frame" , Kevin. Hypothetically, that nugget had it's feet up, and was knockin' back a brew, while the quartz was halfway through!
    KevinInColorado likes this.

  11. #11
    us
    May 2014
    AZ
    Sweep Jig, Whippet Dry Washer, Lobo ST, 1/2 width 2 tray Gold Cube, numerous pans, rocker box, and /home made fluid bed and stream sluices.
    2,006
    2898 times
    Prospecting
    Some reading material for all. http://pubs.usgs.gov/pp/0594f/report.pdf
    russau likes this.
    If it can't be grown, it must be mined!

  12. #12
    us
    Author of a book about finding gold in Colorado

    Jan 2012
    Summit County, Colorado
    Grizzly Goldtrap Explorer & Motherlode, Gold Cube with Banker on top, Bazooka Goldtrap sluices, Angus Mackirk Expedition, Gold-n-Sand Xtream Hand pump
    6,740
    10511 times
    Prospecting
    Wow, that's dense reading...even for a gooey engineer like me
    russau likes this.

  13. #13
    us
    May 2014
    AZ
    Sweep Jig, Whippet Dry Washer, Lobo ST, 1/2 width 2 tray Gold Cube, numerous pans, rocker box, and /home made fluid bed and stream sluices.
    2,006
    2898 times
    Prospecting
    Quote Originally Posted by KevinInColorado View Post
    Wow, that's dense reading...even for a gooey engineer like me
    I think they concluded that gold is dense and that rounded objects are subject to less resistance in liquids.
    KevinInColorado likes this.
    If it can't be grown, it must be mined!

 

 

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