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12bmucker
00:14:54 Mon
Mar 7 2011

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Good concentrating table for hardrock

Hey Geo Jim,

Did you ever end up buying a table? I am interested in buying one to use for hardrock material.

I want to build a bulk sample plant (maybe production for highgrade) to evaluate some different properties. I am looking at narrow vein quartz deposits that are amenable to gravity concentration. Hopefully I will be able to process 1 ton per hour. Have been designing for 2tph but will have a recirculation load so hoping to get 1 tph throughput. Still designing, haven't built anything yet.

I am looking at different options for concentration. (Later, if I build a production unit I would like to use a Knelson CD-10 and Gemini table for clean-up.) For now I am thinking about using a Falcon icon and a RP-4 table for clean-up... OR using the large UHF rougher and the RP-4. I'm not sure if the large UHF rougher will handle 1.5 tph. Another possibility is using the Silver Springs Mining jig and table set-up. Finally, a possibility is the Oro Industries reverse spiral.

I would really like to hear from people who have used Oro Industries reverse spiral, the Falcon icon, UHF tables, or the Silver Springs jig to table set-up.

Thanks,
Aaron


  
baub
16:18:32 Tue
Mar 8 2011

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Re: Good concentrating table for hardrock

Angus Mackirk has a new one. I know nothing much about it.
It's aluminum and won't rust or distort in the sun.

b

  
12bmucker
20:50:13 Sat
Mar 12 2011

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Re: Good concentrating table for hardrock

I am having a hard time finding anyone who has used the falcon icon. It looks like it should work well for primary recovery of milled quartz vein material on a small scale.

  
baub
22:23:29 Sat
Mar 12 2011

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Re: Good concentrating table for hardrock

I believe Dave Macs group in Happy Camp Ca has used one.

b

  
baub
22:40:04 Sat
Mar 12 2011

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Re: Good concentrating table for hardrock

12b,

A year or so ago I bugged a rep for Falcon about providing detailed results of any testing they had done on this device. None were forthcoming. The company line was that "It depends on what kind of material you are running. We will test, for a fee, your material and let you know if the Icon will do the job." It's obvious that results would vary, hence my questions.
In contrast to this twaddle, there's a guy by the name of Bob Jensen, who's the Falcon rep in Sacramento, Ca. Good sort. Talked to him several times. He'll run material for you and charge a nominal fee for his time. Check the Falcon site for US reps. If no luck, let me know and I'll dig up the fone number.

One could do a before and after assay on the ore to be run. If you're going to be in a production mode, this is something to consider and budget money for. The Icon may be the cats meow, but I question Falcons evasiveness in response to my queries. Had they provided some kind of data, even preliminary test results, I would have one now. The people whom I've talked to have stated that they like the units, but no ones has come up with any data as proof that it gets the very high recovery rates that a centrfiugal device is known for.

b

  
RUSTY_HAPPY_CAM
19:42:52 Sun
Mar 13 2011

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Re: Good concentrating table for hardrock

Sorry I can only add more general positive comments about the I-con. Last Year about this time I visited with Bob Jensen and took a 5 gal pail of very "worked out" 8" dredge cons from the Klamath river screened to 12 mesh. These cons had been panned and tabled on an RP-4. Bob and his crew took a lot of extra time while explaining each step to me. The 5 gal still went through in less than 5 min. About 2 Pt. of super cons came out. Serious panning exposed only 2 tiny pieces of readily visible gold, but there was close to 1/2 gram of -50. This was far from an exact test but I am convinced if you have a large enough quantity of cons for 7K it is a pretty good deal

  
baub
20:51:40 Sun
Mar 13 2011

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Re: Good concentrating table for hardrock

Hi Rusty,

Thanks for the additional info.

b

  

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