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hokietech96

Double Decker Sifter

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digit

Boredom and the excess time to think over-think, and rethink again often results in novel designs. We need to see trip reports when these sifters see actual use and hear their good and bad points. Remember that what gets posted here becomes part of the greater archive of knowledge and may help future (or current) members who wish to collect micro-matrix and are considering what to use for equipment. ;)

 

 

Cheers.

 

-Ken

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hokietech96

@digit  100% agree and will update results/modifications here:D

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aplomado

We took our double decker sifter out yesterday to the creek.

 

Typically, we would get nothing interesting in the 1/4 inch screen and 5-10 fossils in the 1/8 screen! 

 

Mostly partial or very small shark teeth, but we did get a tiny jaw fragment with a tooth in it, and a miniscule fish vert.  Other stuff too, but mostly small teeth.

 

Every sifter full we processed had multiple fossils in the 1/8 screen.

 

This really is the way to go, as it looks like most of the stuff at our sites is small.

 

The latches we used probably should be a little more beefy, the metal on one of them got a little bent and I will have to straighten it out with pliers.  There probably are tougher latches for sale.  There are "toggle latches" on our favorite auction site and the rainforest store that look like they may be stronger.  I may look into them.

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hadrosauridae

You need to use draw-latches to quickly and securely attach and remove the layers.

draw.jpg

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digit
3 hours ago, aplomado said:

Every sifter full we processed had multiple fossils in the 1/8 screen.

 

This really is the way to go, as it looks like most of the stuff at our sites is small.

Sounds like collecting micro-matrix from that site with a loose piece of window screen in the lower sifter might yield some interesting micro-fossils when picked through back home. ;)

 

 

Cheers.

 

-Ken

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aplomado
22 hours ago, hadrosauridae said:

You need to use draw-latches to quickly and securely attach and remove the layers.

draw.jpg

 

Yeah, I am using something similar.  Just the brand I am using doesn't appear to be super tough.

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