Randyw Posted May 24, 2019 Share Posted May 24, 2019 I was recently given an Oreodont skull that someone had started but he gave up on it after breaking it into 5 pieces. One of my relatives who knows him was talking about how I’m into fossils and the guy just gives it to him so he gave it to me! So it’s my next project. Even though it’s not in the best shape I’m still excited to get it! I love prepping fossils even though I can only do it on my days off. 5 1 Link to comment Share on other sites More sharing options...
Randyw Posted May 24, 2019 Author Share Posted May 24, 2019 3 Link to comment Share on other sites More sharing options...
Randyw Posted May 24, 2019 Author Share Posted May 24, 2019 More pictures Link to comment Share on other sites More sharing options...
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Natalie81 Posted May 24, 2019 Share Posted May 24, 2019 Looks a fun job. Good luck! Link to comment Share on other sites More sharing options...
Ptychodus04 Posted May 24, 2019 Share Posted May 24, 2019 That’s a nice gift. 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...
snolly50 Posted May 24, 2019 Share Posted May 24, 2019 Here is my old Forum account of an Oreodont prep. It gives a pretty detailed narrative of the adventure and misadventure. You are in for a fun experience and your post seemed especially relevant to me, as I just pulled a skull/lower out of storage that is in several pieces. I hope it to be my Summer project. Good luck and have fun. 4 Human beings, who are almost unique in having the ability to learn from the experience of others, also are remarkable for their apparent disinclination to do so. - Douglas Adams, Last Chance to See Link to comment Share on other sites More sharing options...
RJB Posted May 24, 2019 Share Posted May 24, 2019 Im with Ptychodus on this. Nice gift! have fun RB Link to comment Share on other sites More sharing options...
steelhead9 Posted May 24, 2019 Share Posted May 24, 2019 This is a very nice leptauchenia. Very rare to have the incisors and canines. I hope you have air abrasive as these are quite delicate and it would be a shame to lose them. Good luck with it. Still Life Fossils Link to comment Share on other sites More sharing options...
Randyw Posted May 25, 2019 Author Share Posted May 25, 2019 That’s what I thought it was too. Unfortunately I don’t have an air abrasive (although I plan on one soon. so I plan to leave that part alone for now it’s mostly cleared anyway. Link to comment Share on other sites More sharing options...
Randyw Posted May 25, 2019 Author Share Posted May 25, 2019 I just wish he hadn’t of broken it so badly. There’s a lot missing right at the breaks but I’m definitely not complaining. According to the story I got he was trying to break off some of the overburden with a hammer and it shattered. Link to comment Share on other sites More sharing options...
Randyw Posted May 25, 2019 Author Share Posted May 25, 2019 13 hours ago, snolly50 said: Here is my old Forum account of an Oreodont prep. It gives a pretty detailed narrative of the adventure and misadventure. You are in for a fun experience and your post seemed especially relevant to me, as I just pulled a skull/lower out of storage that is in several pieces. I hope it to be my Summer project. Good luck and have fun. I saw this post and you did a really great job on her! Link to comment Share on other sites More sharing options...
Randyw Posted May 25, 2019 Author Share Posted May 25, 2019 I saw in your post you had some breakage wich you glued together. Would you recommend gluing this together before or after prepping? I was planning on afterwards so I’m working with smaller easier sized chunks but then I worry about the broken edges flaking easier. Any suggestions? Link to comment Share on other sites More sharing options...
RJB Posted May 25, 2019 Share Posted May 25, 2019 6 hours ago, Randyw said: According to the story I got he was trying to break off some of the overburden with a hammer and it shattered. Wow! That just makes me cringe to no end! Its up to you, but I like to glue together and then prep. Sometimes the matrix itself can help to allign it. Then I would fill in the missing parts with a two part putty. Good luck RB Link to comment Share on other sites More sharing options...
caldigger Posted May 25, 2019 Share Posted May 25, 2019 2 hours ago, RJB said: Wow! That just makes me cringe to no end! Its up to you, but I like to glue together and then prep. Sometimes the matrix itself can help to allign it. Then I would fill in the missing parts with a two part putty. Good luck RB I would agree. The original chunk may have had space between bone pieces at the cracks in the first place. If you wait to glue after you fully prep it out, you may not get good alignment of the pieces. Besides having some matrix within the finished piece helps stabilize it structurally. If you look at most White River Formation fossils, pretty much all of them have matrix left on to help hold it together. 2 Link to comment Share on other sites More sharing options...
snolly50 Posted May 25, 2019 Share Posted May 25, 2019 10 hours ago, Randyw said: was trying to break off some of the overburden with a hammer and it shattered Yes, the "whack and hope" technique rarely yields desirable results. RJB and caldigger have provided sage advice - glue first. This adds a small difficulty to the prep, as you will have to cut through glued sections, which are a little tougher than pristine matrix. However, the achieved alignment makes this small extra effort worthwhile. 3 Human beings, who are almost unique in having the ability to learn from the experience of others, also are remarkable for their apparent disinclination to do so. - Douglas Adams, Last Chance to See Link to comment Share on other sites More sharing options...
steelhead9 Posted May 25, 2019 Share Posted May 25, 2019 11 hours ago, Randyw said: I saw in your post you had some breakage wich you glued together. Would you recommend gluing this together before or after prepping? I was planning on afterwards so I’m working with smaller easier sized chunks but then I worry about the broken edges flaking easier. Any suggestions? Definitely glue then prep. Still Life Fossils Link to comment Share on other sites More sharing options...
caterpillar Posted May 25, 2019 Share Posted May 25, 2019 I agree. First, glue. Second, prep http://www.paleotheque.fr Link to comment Share on other sites More sharing options...
Mark Kmiecik Posted May 25, 2019 Share Posted May 25, 2019 I've put quite a few Mazon Creek 3D jigsaw puzzles together and I can attest to the improved alignment if matrix is used as an additional guide. Mark. Fossil hunting is easy -- they don't run away when you shoot at them! Link to comment Share on other sites More sharing options...
Randyw Posted May 25, 2019 Author Share Posted May 25, 2019 Yes I’ve been thinking about it since my post last night and I think gluing it is the way to go.the matrix on this seems to be harder then the other Oreodonts I’ve worked on. So I’m thinking it may be a bit more of a challenge and none of my others were broken like this. It should be fun though! Link to comment Share on other sites More sharing options...
Ptychodus04 Posted May 26, 2019 Share Posted May 26, 2019 Also, gluing helps to support the broken edges of the fossil. It is very easy to lose bone on the cracks during prep if the bone isn’t supported so leaving it in pieces just gives more of an opportunity for breakage. 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...
RJB Posted May 26, 2019 Share Posted May 26, 2019 What a team!!! RB 1 Link to comment Share on other sites More sharing options...
Randyw Posted May 27, 2019 Author Share Posted May 27, 2019 I thought while this piece was drying I’d show you her brothers and sisters. As you can tell none of them are barn burners but I like them. 4 of them are still works in progress.... 4 1 Link to comment Share on other sites More sharing options...
Randyw Posted June 17, 2019 Author Share Posted June 17, 2019 Well I haven’t been able to get back to this for a while. I had other home projects that had to be done first. I finally got to work on it a bit today. I’ve mainly been clearing of the overburden today. Here’s a couple pictures of it wet so you can see what I’m working with. The matrix reall has some toughness to it and it really wants to stick to the bone in the couple places I tested. This is gonna take some work I think 2 Link to comment Share on other sites More sharing options...
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