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peluk
00:59:06 Tue
Oct 2 2012

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Followup on "The Cube"

Today being crummy weather here in Nome,I decided to see how dredge associates were doing with their cleanup equipment.Last year,I was cleaning up cons for some dredgers before they could get a grip on available technology.Last year "The Cube" was just making itself known here.This year the same dredgers invested in "The Cube"and I haven't had any cleanup requests since.

Just now I returned from their camp and a lengthy discussion on their experiences with and opinion of "The Cube".
In brief,it does exactly what they want for their dredge cleanups and they explained how they use it.
They use a 4 tray configuration.The top tray is a slick.The second tray the leave in place until it has a field of gold 3" long.They then stop,dump that 2nd tray in a bucket and resume work.The lowere two trays they leave in place for later.After they have run all their material,they remove the bottom two trays and rinse and refeed that material until nothing shows in the second tray.That's it.

Now,they have not got a lot of black sand to contend
with and that's worth noting.They are however getting the finest flour gold in their recovery and that is good.Last year they were also getting the flour gold but they made a sluice adjustment and lost a lot of it.They reconfigured the sluice this year and they are on top of flour gold recovery again.

I asked if they are using any other equipment for their cleanup other than the final panning of cons and they said "The Cube" does it just fine.They said they had tried the Kneff(sp?)Bowl but the tailings carried too much gold.They also ran tails from the Kneff Bowl in the Cube and recovered quite a bit more.
I believe they may have been using an older Kneff Bowl but I can't say,though I asked.I think Kneff made some changes that improved the recovery in recent years.Nothing beats simple,compact,portable recovery equipment for most people.

One of the guys was using The Cube to work beach sand concentrates and the flour gold in it.He said the black sand would plug the mat(roughtop conveyor belt) and he had to run again and again.So,let it suffice that "The Cube" works well for dredge cons here.They also screened down the dredge cons before putting them through the Cube.

So you were right Cub.The Cube is worth looking at.
Oh,they also talked about "puddles" of gold on the bottom and stuff like that but I don't want to make anyone cry.:smile:

  
baub
05:29:14 Tue
Oct 2 2012

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Re: Followup on "The Cube"

Thanks Peluk.

b

  
LipCa
14:52:59 Tue
Oct 2 2012

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Re: Followup on "The Cube"

Peluk,

I have very heavy blacksands here in Northern California and I bought the Cube because of that.

It works fine here. Not worth rerunning the cons a second time for me.

  
peluk
20:42:14 Tue
Oct 2 2012

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Re: Followup on "The Cube"

That's interesting LipCa.That difference in recovery may come down to technique.They may have been feeding too fast.I also forgot to add these comments that the three guys agreed on.The larger gold specimens did gather in the "boilbox" area.The roughtop belting did also require brushing with soap and water to remove trapped air.They did this prior to running the material.I asked if the trapped air feature was reduced over time as maybe a finishing or mold release rinsed off.They said it appeared to be less noticeable but it was still necessary to prep brush it even after it had been used quite a bit.

  
baub
21:09:34 Tue
Oct 2 2012

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Re: Followup on "The Cube"

A spritzer bottle with soapy water kept nearby might help.

b

  
Fleng
16:49:37 Wed
Oct 3 2012

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Re: Followup on "The Cube"

Thanks Peluk. I was very curious as to the impact the Cube made in Nome. The ads say that it is capable of running a yard an hour. Is this what you are hearing from the dredgers?

  
peluk
07:18:19 Thu
Oct 4 2012

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Re: Followup on "The Cube"

Fleng,Nobody I have spoken to has mentioned speed as being essential in the cleaning of dredge cons.The amount would not be great either.Nobody has complained about it being slow.
When I've cleaned dredge cons for people,it usually amounts to about 9 gallons.That is to say,that is what is left after they screen off the larger gravel and larger specimens....like the 4.9 oz. nugget the dredger got the other day on the "Julianne".

As far as the "Cube" making an impact,I've heard there are a number of them in use now.When I hear anything more of value on it,I'll bring it here.


  
shaftsinkerawc
15:44:58 Sat
Oct 27 2012

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Re: Followup on "The Cube"

Peluk - If you come across any Au Cube's or hear of any for sale I would be interested in one for testing. Have a great day and stay warm and out of the wind. awc

  
peluk
18:41:36 Sat
Oct 27 2012

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Re: Followup on "The Cube"

I can do that.Where are you located and what is your phone number? I'm at 907 443 2640.
The mining activity has fallen off to a trickle here.In the last few days,the weather has been mild mid 30's.A Canadian dredgehand got a lead on some mining equipment after his season just wrapped up.He decided to take a shot at beach mining on the west beach.Now he is hooked big time.He's working it now and he postponed his departure which will cost extra of course.He doesn't care and he's bringing some cons by this weekend for cleaning.All my stuff was put away until he started fanning the coals now I'm back into it as well.
I'm not using a Cube but I would not mind giving one a shot.I saw another miner working with one on a back lot a couple of weeks ago.I got as much feedback as I could from him as well.He was quite content with it.

  
shaftsinkerawc
20:38:14 Sat
Oct 27 2012

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Re: Followup on "The Cube"

Hello, this is awc in Fairbanks. You brought the keene bucket crusher up from Anch. for me a few years back. I don't have a phone at present but can get e-mail a couple of times a day generally. Just figured I'd ask you to keep an eye out as I looked online and they want $75 bucks shipping and brings the package up around $550. Curious to try one on some fine sands that assayed higher in my tailings than the concentrate from a Gold Magic Wheel. I also may have come across some float/vein material that looks promising under magnification. Hopeing to crush and run through a cube and see what it does. Have a great day and keep the heavies recovery going. awc

  
cubsqueal
23:06:53 Sat
Oct 27 2012

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Re: Followup on "The Cube"

One Gold Cube seller on eBay lists free shipping to the United States. When I inserted a Fairbanks zip code into the shipping calculator, there was no change--it still listed free shipping.

Anyway, supposedly Dakota Fred likes his Gold Cube.

About the only negative thing I've read is that there have been problems with a lot of garnet sand. Can't remember how that issue panned out.

http://www.ebay.com/itm/GOLD-CUBE-GOLD-CUBE-CONCENTRATOR-CHECK-OUT-MY-STORE-FREE-SHIPPING-/170960261512?pt=LH_DefaultDomain_0&hash=item27ce069188
[1 edits; Last edit by cubsqueal at 23:39:57 Sat Dec 22 2012]

  
shaftsinkerawc
06:39:38 Sun
Oct 28 2012

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Re: Followup on "The Cube"

Thanks, I'll look into it. If I get one I'll be able to report on the garnet sands as 2 locations have fines and the third has fingernail size garnets. Of course Kringle came up with a golf ball size garnet. Happy diggin All. awc

  
baub
16:28:36 Sun
Oct 28 2012

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Re: Followup on "The Cube"

Can you rerun the cons for more reduction without loss of gold?

b

  
peluk
19:13:19 Sun
Oct 28 2012

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Re: Followup on "The Cube"

Baub,the guys I talked to gave me this information.They have the 4 tray configuration.The second tray gets pulled after itshows gold for about 1/3rd of it's length.They replace it and start running again.Eventually,they take the cons in the bottom trays and send them through again.

  
baub
21:43:16 Sun
Oct 28 2012

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Re: Followup on "The Cube"

Thanks Peluk. One of the nearby rivers has some very fine float gold that I would like to run a little faster than panning.

b

  
UncleMark
23:18:23 Sun
Oct 28 2012

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Re: Followup on "The Cube"

I tested a Gold Cube in 2011 that a friend owned. I stuffed 10 gallons of black sand dredge cons screened to 12 mesh down it in about fifteen minutes. It was a four tray system. Most of the gold was minus 30 mesh, about 80%. There were only about a dozen specs of gold on the last tray, with almost all the gold on the second tray.

I bought one for myself this last 2012 season and would never consider any other way to run my cons.

I have been a successful commercial dredger since 1987.

Mark

  
baub
23:39:43 Sun
Oct 28 2012

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Re: Followup on "The Cube"

At that speed you could afford to rerun the gangue material.
There's a sandy beach with some small 1/4 in rocks and a fair amount of float gold that has my eye. Could be a wintertime diversion.


  
cubsqueal
07:26:19 Sat
Dec 8 2012

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Re: Followup on "The Cube"


  
shaftsinkerawc
15:53:55 Fri
Dec 28 2012

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Re: Followup on "The Cube"

Anybody got the Cube and find that the vortex matting isn't in the tray straight? I would think that it will not flow smoothly with the askew matt? Happy New Year to all & Happy Diggins!

  
LipCa
16:11:52 Fri
Dec 28 2012

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Re: Followup on "The Cube"

I assumed it was cut that way on purpose?

  
shaftsinkerawc
20:48:55 Fri
Dec 28 2012

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Re: Followup on "The Cube"

I was told that it doesn't affect things. Supposed to be they can only get one straight cut and 4 with the angle per section of belting. Will be thawing some ground soon and making my own determination. Happy New Year & Happy Diggins to All.

  
LipCa
22:27:07 Fri
Dec 28 2012

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Re: Followup on "The Cube"

well, mine worked great that way. Paid for it in two days screening bank gravels.

  
chickenminer
06:37:43 Sat
Dec 29 2012

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Re: Followup on "The Cube"

Quote: peluk at 20:42:14 Tue Oct 2 2012

.The roughtop belting did also require brushing with soap and water to remove trapped air.They did this prior to running the material.I asked if the trapped air feature was reduced over time as maybe a finishing or mold release rinsed off.They said it appeared to be less noticeable but it was still necessary to prep brush it even after it had been used quite a bit.


I broke down and bought one of the 4 stack Gold Cubes this winter. Can't really offer any perspective yet as I have only played with rerunning some old cons.
What I noticed right off was this refusal of the mat to become wet. I think this is horribly understated in the GC documentation.
Simply 'wetting' the matting before running material did not satisfy me when watching the material action over the mat.
I scrubbed & scrubbed the mats with soap thinking there must be some sort of repellent chemical left over from the manufacturing.

Interesting to hear Peluks input on what the others say about this and I am curious if anyone has tried some other approach
to 'wet' this matting before running material. Or if this mat behaves better with age?



---
Dick Hammond - Chicken, Alaska
Chicken / Stonehouse Creek Mining
Chickenminer.com
 
 
shaftsinkerawc
20:22:08 Sat
Dec 29 2012

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Re: Followup on "The Cube"

I just got the 4 stack as well. They said that you need to spray water on each panel for a bit to wet it and then watch to make sure no air bubbles. I was thinking of a large paintbrush or a whisk broom and soapy water to get initial wetting. I'll let you know how it goes as soon as I get out and get some material.

Peluk - Do you have any Flat Rate Box material available??

  
peluk
09:40:27 Sun
Dec 30 2012

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Re: Followup on "The Cube"

Yes,I can round up Flatrate boxes at the P.O.
I have used ones at home here also. Keep in mind though,I don't actually have a Cube. I've just talked to those that have. I've only messed with the conveyor belt material used in them.



  
shaftsinkerawc
02:27:27 Mon
Dec 31 2012

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Re: Followup on "The Cube"

I'd like to get a couple from you at your convenience to play with. Just let me know an amount and it'll be on the way. Happy New Year to All !!!

  
peluk
04:13:02 Mon
Dec 31 2012

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Re: Followup on "The Cube"

Ha,ha....Man,I just couldn't figure what you wanted Flatrate boxes for. You want beach material IN flat rate boxes. I'm out of that right now. I ran everything from the yard here.I'd have to check the beach and see if I can skim some..and I will. We are having mild weather right now so it's possible I think.

If I were to send some,you would have to have a backup recovery unit that you may know is capable of good fine gold recovery but maybe slower.As I said,I have only listened to those that own a Cube and that say they are satisfied with it.I have only used roughtop conveyor belt and I was NOT happy with its performance.

  
shaftsinkerawc
00:30:44 Tue
Jan 1 2013

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Re: Followup on "The Cube"

Sorry I was unclear. Just wanted to get some material to play with till I get out in Feb. and do some thawing(I Hope) I want to run the sands through the Cube and also an older Goldwind Jig-Trap as well as some other matting.

We're having mild weather as well, I'm just scared to get out 30 miles by trail and have it turn 50below.

I was thinking about removing the magnetics prior to the cube or on its slick plate. Have a Great day.

  
peluk
20:51:07 Thu
Jan 3 2013

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Re: Followup on "The Cube"

shaftsinkerawc,send me a PM with your address and email regarding sand.

A good bet is to pan a quantity of this material.I used one handfull as a measure.I did that twice from two different tubs I gathered.I was checking for consistency of gold content.Now,if I send that same quantity through a recovery sluice or some other device,I should expect the same amount of gold.
The jig will take forever and in my experience it is not accurate.The reason is that flake or flat shapes will ride the upwelling pulsed water and be carried out.These flat forms are not competing with any material larger than maybe 40 mesh and mostly down in the 80mesh and smaller range.So,in order to get the shot bed to open up enough for penetration of those size gold specimens,the upwelling currents will lift the other smaller specimen gold as well.You'll be rerunning forever.

In a discussion with another miner yesterday we discussed this issue about jigs.I told him about the report from numerous workers on the Bima dredge that was here in Nome.They stated a stream of fine gold ran out the overflow pipe from jigs on the Bima.It ran across the deck and overboard.When asked if they should place a 55 gallon drum under the pipe to catch it,they were told to let it go.

It will be worth watching the action in the Goldwind just for your own information.I'm assuming you have the clear plastic around the shot bed area.

The other devices chosen will be a better bet.

Also in that discussion was a favorable report of jigs being used successfully at a mine behind town here.I mentioned the Bima and its losses.The other party said,"Well,you have to think in terms of volume and except some losses."

  
dredger
03:04:13 Wed
Jan 16 2013

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Re: Followup on "The Cube"

Hey peluk,
I was wondering if the angle of each layer was or is adjustable,??,

And you said most of the gold collected in the second sluice, I was again wondering what percentage of black sands lay with that gold, ??.

Thanks for all the great observations,

phil.

  

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