hadrosauridae Posted November 22, 2023 Share Posted November 22, 2023 (edited) This unknown rib was recovered a couple months ago from a private ranch near Faith, SD. I haven't had time to start work on it until a couple days ago. I'm keeping track of my hours on this one just out of curiosity. I never tracked the work on any previous prep projects. So this was found partially exposed with a number of pieces found as float at the bottom of the hill. Everything surface was collected, then the rest of the rib was jacketed to remove. It took me 3 hours to uncover and remove it from the jacket, and then 5 hours separate and clean the pieces of the first section. 12 hours total to clean 3 sections, and then another 3 hours for the micro cleaning and reassembly of those sections. Its only going to get harder, because much of the rest of it looks to be heavily crushed and displaced. It also looks like there is a healed fracture to this rib, but of course, the modern break goes through the remodelled bone. Edited November 23, 2023 by hadrosauridae 5 "There is no shortage of fossils. There is only a shortage of paleontologists to study them." - Larry Martin Link to comment Share on other sites More sharing options...
Alex S. Posted November 23, 2023 Share Posted November 23, 2023 Beautiful work, out of curiosity do you use air abrasion with this and is so what media do you use? My Christmas present is a vaniman Abrader and I'm going to be prepping a bunch of hell creek stuff. Link to comment Share on other sites More sharing options...
hadrosauridae Posted November 23, 2023 Author Share Posted November 23, 2023 1 minute ago, Alex S. said: Beautiful work, out of curiosity do you use air abrasion with this and is so what media do you use? My Christmas present is a vaniman Abrader and I'm going to be prepping a bunch of hell creek stuff. I use a Comco MB-1002, but I started out with a Vaniman and it will be fine for you. I use "baking soda" for the media. It works great for most Hell creek stuff. Best recommendation is to have good light and some magnification. Start with a low air pressure and increase it to the cutting speed you want. "There is no shortage of fossils. There is only a shortage of paleontologists to study them." - Larry Martin Link to comment Share on other sites More sharing options...
Alex S. Posted November 23, 2023 Share Posted November 23, 2023 @hadrosauridae thank you as always I appreciate your help I was between soda and dolomite I'll go with the soda. It seems you have a puzzle on your hands now good luck can't wait to see how it turns out! Link to comment Share on other sites More sharing options...
Ptychodus04 Posted November 27, 2023 Share Posted November 27, 2023 On 11/22/2023 at 8:36 PM, Alex S. said: @hadrosauridae thank you as always I appreciate your help I was between soda and dolomite I'll go with the soda. It seems you have a puzzle on your hands now good luck can't wait to see how it turns out! Soda is a little softer than dolomite. For bone, dolomite is a bit harsh. @hadrosauridae better you than me on this prep!!! Looking good. 1 Regards, Kris Global Paleo Services, LLC https://globalpaleoservices.com http://instagram.com/globalpaleoservices http://instagram.com/kris.howe Link to comment Share on other sites More sharing options...
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