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Trilobite In Ironstone Nodule: Before & After


piranha

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Recently I jumped on the bandwagon of trilobite acquisitions and purchased this beautiful Bolivian bug. This trilobite genus is fairly unusual to find complete and well articulated. Measuring a plump 4" plus, I could not resist the temptation to get it and remove the matrix that was covering a significant amount of the specimen. After a couple of hours of prep with a pneumatic air-chisel the finished result is very satisfying.

Not too shabby for a rookie preparator! :o:P

Hoekaspis yahuari

Bolivia, South America

Middle Ordovician ~470 Mya

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Lovely, the trilo sits sweetly on the matrix. I'm most impressed with your excellent preparation, Scott! :D

Joe

Kind regards,

Joe

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Well done, Scott! :wub:

Very nice job on the prep.

Congrats on a great acquisition. :)

Regards,

    Tim    -  VETERAN SHALE SPLITTER

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What type of air chisel did you use? I may be attempting a similar project soon.

Chicago Pneumatic for most of the heavy landscaping and Micro Jack for the fine details around the margins.

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Hi Scott, great job! Actually I saw that trilobite for sale too. I hesitated for a minute (as a poor student), and then it was gone. Now that I know it's in a good hand, I am more than happy. :)

Wei

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What a very cool acquisition Scott! :wub:

Where on earth (don't say Bolivia, I got that part) did you score this beauty? :zzzzscratchchin:

Dan :)

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Excellent work.....Not sure ahow a novice preparator ends up with a micro jack , they certainly arnt cheap and they are not available on ebay.........but what the heck.......

I bought a wholesale lot of these nodules (20 of them) a while back ranging from about 1 inch to about 3 inches , the material is super hard and the actual bug is crumbly , I started to prep one with my ARO and go frustrated with it and put it to the side, perhaps its time to take it back out and finish it. I think part of what I did not like was the fact that these are concretion nodules and not the more normal type of matrix that I usually prep....

Edited by Malcolmt
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congratulations Scott, great job on a beautiful Trilobite! :)

"Your serpent of Egypt is bred now of your mud by the operation of your sun; so is your crocodile." Lepidus

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Peter, Dan, Malcolm, Joe, Nathan, Carmine, Rob... thanks for great comments! :D

PS: Dan: The Trilobite Genie left it under my pillow :P

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lol, I am liking the lamp.. Excellent prep work getting that exposed especially

since it looks so fragile...

Welcome to the forum!

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I have a friend from the same neighborhood:

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Hoikaspis matacences

Mid Ordovician

San Lucas Ocuri Formation

Chuquisaca Provence, Bolivia

Yours is nicer, of course. :)

Context is critical.

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What, you just started collecting the common ones, Scott?? Is that your secret - rare ones first? ;) And just started prepping too! Well you're off to a good start. I had a hard enough time acquiring my conulariid from Bolivia, guess I should get a trilo from there to complement it..

Anyway, nice job!

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Nice jump, Scott B)

Congrats on this excellent new acquisition and prep work, as well :fistbump::)

Astrinos P. Damianakis

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