Why dont people use shakers more?

[Dr. Meh]

Why don't people use shakers more?

Is it possible to have a series of different classifiers stacked on top of eachother attached to a shake table type thing that can gradually move all the heavy material to the bottom/center? Similar to the shake methods for gem hunting. I realize it won't be clean or very pure yet but it seems like a logical solution for dry areas without water (other than a drywasher).

What am I missing about this idea that might not allow it to work?

 

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[Dr. Meh]

I don't think that you will be able to snake any container enough to keep everything fluidized. Side to side, up and down also matters.

The soils size wet dry moist or a combination is going to matter.

It's likely that you will have compaction on the bottom if you can not keep everything fluidized.

You are going to need air to keep everything fluid.

https://www.google.com/url?sa=t&source=web&rct=j&ei=30n2U8nFLpKxyATfooLoCw&url=http://nebula.wsimg.com/e842ad5f16ab8c397b618a5d6e160f58%3FAccessKeyId%3DBF14E9CCD3A371D54A5D%26disposition%3D0%26alloworigin%3D1&cd=2&ved=0CCAQFjAB&usg=AFQjCNF8LswUILPGDF5UJHSB0wX0-sC_Lg&sig2=uTxAYWgSvoYG6ySxqi2thg

That article deals with seed separation but I would imagine the principles are the same so I printed it up to look at it closer. Thanks for that!

 

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