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Mt. Orab Ohio Trilobite

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#1 jgcox

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Posted 14 April 2014 - 11:49 AM

A friend in the Dry Dredgers gave me several flats of matrix he collected 10 years ago at Mt. Orab. He said I  could use the matrix to practice prepping. So I found this Flexicalymene meeki, he is missing his phygidium but still a great display.  

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#2 Fossildude19

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Posted 14 April 2014 - 12:21 PM

Nice prep job, jgcox! :)

Regards,


Tim
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John Muir  
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#3 Polioliolio

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Posted 02 May 2014 - 08:31 AM

Looks great!

 

I hope to find and prepare similar looking fossils someday.



#4 danwoehr

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Posted 02 May 2014 - 08:58 AM

would love to have been able to collect there just once! and of course score a 6 inch prone isotelus...
Grüße,

Daniel A. Wöhr aus Südtexas


"To the motivated go the spoils."

#5 fossilized6s

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Posted 02 May 2014 - 10:53 AM

Nice prep! Congrats on your continuous growth in the finely attuned skill that is fossil prep!
~Charlie~

"There are those that look at things the way they are, and ask why.....i dream of things that never were, and ask why not?" ~RFK

#6 MarleysGh0st

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Posted 02 May 2014 - 02:08 PM

would love to have been able to collect there just once! and of course score a 6 inch prone isotelus...

You wouldn't be satisfied with an enrolled specimen?  I sure was, when I was there on Sunday with the Penn Dixie field trip!  :D

 

Dan Cooper will be including the specimen in a growth sequence destined for the Smithsonian, so at the moment I don't even have  a photo to show off, but my name will listed as the collector when it gets its NMNH number!  B)



#7 DLB

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Posted 04 May 2014 - 09:21 AM

I was wanting to know how to prep these trilobites. Do u use a pick or something more aggressive like a air scribe? I just came across a few and have never prepped one before. Any help would be great thanks in advance .

#8 jgcox

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Posted 04 May 2014 - 06:45 PM

DLB I use an air scribe or an electric engraver, then I use a pin vise with a needle tip to soften or remove matrix from between the thorax segments. I then use a mini sand blaster with dolomite as the blast media to clean off any hard to remove matrix. Hope this helps.



#9 DLB

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Posted 05 May 2014 - 09:45 PM

Thanks I think it will help me I just need some practice ;)

#10 jgcox

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Posted 06 May 2014 - 07:49 AM

Practice on some broken specimens that way if you break a piece and you will then its not as bad as breaking a nice specimen. and practice on different matrixes also. Best of luck and practice practice and practice.



#11 danwoehr

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Posted 06 May 2014 - 09:16 AM

enrolled works! i've found only one small isotelus, a perfect little enrolled "kermit the frog" back in 1980.

You wouldn't be satisfied with an enrolled specimen?  I sure was, when I was there on Sunday with the Penn Dixie field trip!  :D
 
Dan Cooper will be including the specimen in a growth sequence destined for the Smithsonian, so at the moment I don't even have  a photo to show off, but my name will listed as the collector when it gets its NMNH number!  B)


Grüße,

Daniel A. Wöhr aus Südtexas


"To the motivated go the spoils."

#12 hrguy54

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Posted 20 May 2014 - 01:49 PM

Nice piece.  Good prep







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