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Help ID this green river fossil


Georgemckenzie

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Georgemckenzie

Hiya everyone my friend has sent me sone green river fishes I’m guessing there knightia he’s glued some pieces together because they have started to flake but I’ve noticed a little thing on the back plate and revealed it a help would be great to ID

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Georgemckenzie
1 minute ago, LabRatKing said:

This is a pile of Knightia and a coprolite.

Thanks for the help I did think maybe coprolite always better to make sure as I haven’t seen green river coprolite 

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26 minutes ago, Georgemckenzie said:

Thanks for the help I did think maybe coprolite always better to make sure as I haven’t seen green river coprolite 

I have a few of them somewhere around here. I was told at the quarry that many of them have been attributed to the stingrays found in the formation, but this is a stretch in my mind.

 

As a side note, might want to stabilize those fossils with the appropriate treatment....they will literally fall off the matrix over time otherwise.

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2 minutes ago, LabRatKing said:

As a side note, might want to stabilize those fossils with the appropriate treatment....they will literally fall off the matrix over time otherwise.

Thanks. I have some boxes to move from atop the chest mine are in. :)

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1 minute ago, Rockwood said:

Thanks. I have some boxes to move from atop the chest mine are in. :)

I learned this the hard way with one of my "lucky splits" a year or so back. By the time I decided to stabilize it, it was too late....the sealant made a bad situation worse...though I have a cool coaster with a vague ghost Knightia spine impression in it!

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Georgemckenzie
2 hours ago, LabRatKing said:

I have a few of them somewhere around here. I was told at the quarry that many of them have been attributed to the stingrays found in the formation, but this is a stretch in my mind.

 

As a side note, might want to stabilize those fossils with the appropriate treatment....they will literally fall off the matrix over time otherwise.

What would I used to treat them I’ve never done it before new to prepping and that?

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1 minute ago, Georgemckenzie said:

What would I used to treat them I’ve never done it before new to prepping and that?

There are a number of products available. Paraloid is popular as is Vinac.

 

This is blasphemous, but on specimens from the softer layers, I use a mix of distilled water and acrylic concrete fortifier (3:1) which I apply with a mister. I do NOT recommend this method to beginners as it will destroy your fish if done wrong.

 

There is quite a bit in our Fossil Prep threads here on the forum discussing Green River preservation and prep.

 

 

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Nice poop.  Coprolites are actually very common (more so than fish) in the Green River quarries that I have been to.  Not much commercial value, so they don't make to the market.  They just get flushed.   : )

 

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Georgemckenzie
7 hours ago, jpc said:

Nice poop.  Coprolites are actually very common (more so than fish) in the Green River quarries that I have been to.  Not much commercial value, so they don't make to the market.  They just get flushed.   : )

 

Thanks for more insight I’m not really bothered about commercial value just nice to have a new piece that I haven’t had before :Smiling:

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