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  1. Kane

    Kane's Bug Preps

    UPDATE: Consolidated all my loose preparation threads into one topic. Four hours so far into this big bug, and maybe another two to go. Found at Penn Dixie this past weekend, the visible area measures 6 cm. With the pygidium, it likely measured about 8+ cm. Judging by its size and pustular sculpture, this was likely a long-lived specimen prior to burial. This is how it looked fresh in the field:
  2. I'm starting to get into mechanical prep seeing as with the quarantine I have extra time on my hand. My equipment arrived before my projects did so I've been practicing on this invert I had on hand. I believe this is a gastropod? Or is it a bivalve? I can never keep them straight in my head. Anyways, I forgot to take a before picture so I apologize for this awful photo as it was the only one I had: And this is it currently: Obviously not done yet, needs some more work and then some serious clean up to make it look nice but I'm thinking to put it aside for a
  3. Hello everyone, first of all I want to say how I love this forum and how many great people are here, I couldn't find a better community. Back on topic I'm pretty much a novice when it comes to fossil preparation, I only prepped some echinoderms, bivalve and some isolated Ictitherium teeth. But after reading and reading topic on this forum I decided to begin a bigger project. I bought an oreodont skull, as you can see from the photos it seems in really good conditions and the matrix seems really soft to work on. At the same time I see that there are many fracture on the
  4. I have several fossils that have crystallized shells. I would like any advice on preparing the fossil without having the crystallized structure disintegrated. See example photo and the crystals structures around the edges of the spiral. Thanks. .
  5. Hello, I have a bit of an odd piece, it's not a fossil, it's a scorpion! The scorpion was in its burrow in a dune when the dune collapsed, I would like to stabalize the sand, so that I can display it. This isn't a particularly important find, so I wouldn't mind if it broke in the process. Keep in mind, I have very limited materials.
  6. Hello all. Does anybody know the best way to preserve a 'Tully monster' specimen. I recall once reading that the surface often needs to be coated with a preservative against oxidizing, etc. One of my specimens has a tiny bit of red on the one eye, which I don't recall being there last year. Please see photos; advice deeply appreciated.
  7. Hello, I am an amateur fossil hunter whos level of knowledge is pretty limited. I love going out and hunting but my ability to identify and prep what I find is quite limited. I found this cephalopod fossil near Cincinnati Ohio a couple of years ago and it is by far my best find ever. I'm typically fine picking at or grinding away with a Dremel trying to prep my finds as they are usually small bits. Nothing I'm worried about ruining. This is something different and I'm pretty apprehensive about working on it. I read there isn't much harm in gluing it back together and I attempter this. It looks
  8. Hello community, A friend of mine recently gifted me this keichousaurus. But as you can see the Preperation is not the cleanest/nicest. Can I as an amateur fix this by myself or make it look cleaner and nicer? I also had the Idea that I maybe could work from the other side with Acid layer by layer. Then I could also be able to see the upper side of the specimen rather than its belly. Or would that not work/ be to risky? Isbthe rock maybe to thin? Can i as an amateur who never worked on a fossil with acid before make that or is it generally not possible?
  9. Hello everyone! I recently received this cool fossil from the Devonian in Scotland, it is a Palaeospondylus gunni: I have seen fossils of this enigmatic organism prepared in really wonderful ways to expose more of the animal and I was wondering: would this be possible to do here? I am not exactly sure of the process used on the others, possibly just really fine air abrasion? The fossil seems to be rather thin against the rock but it isn't completely flat, here are some pictures I took under the digital microscope, hopefully they might show it a bit better.
  10. I know that a trilobite in limestone is found by breaking the rock, seeing its cross section in the pieces, and noting where it is. Then it is prepared by gluing the rocks back together and using jacks and air abrasion tools to remove the rock. My question: What sort of glue is used when gluing the rock back together? What set time does it have?
  11. Hello friends! I am experimenting this period with my new Haufwerk W224 air scribe. It is recommended as ideal for beginners and rated for medium to fine preparation. My first lab rat turned out above my expectation. First attempt was done without press. regulator and without filter, since I did not know I needed these. Lab rate Prior preparation and After. Soft limestone for your reference. After having finished the above and onwards I work with pressure regulator (never above 5bar~70psi) and water separating filter to ensure I am using dry air.
  12. ParkerPaleo

    Acid Prep

    This could possibly be a random incoherent thought bubble, but here goes anyway. I was reading another thread which mentioned acid prep as the way to go for a particular item and then was proceeded by a bunch of professional preparators (that I repsect) being scared of the prospect of attempting it themselves. This really bothered me. I know I have a wealth of experience preparing far surpassing what a normal fossil aficionado would have, and I have always thought of acid as a tool in my bag and not something to be scared of. I am not a professional preparator, though
  13. Cifelli, R., Madsen, S.K. and Larson, M.E., 1996. Techniques for recovery and preparation of microvertebrate fossils (No. 4). Oklahoma Geological Survey. http://preparation.paleo.amnh.org/assets/Madsen1996Microvertebratepreparation.pdf https://www.researchgate.net/publication/259022020_Techniques_for_Recovery_and_Preparation_of_Microvertebrate_Fossils https://www.researchgate.net/profile/Richard_Cifelli/research Hibbard, C.W., 1949. Techniques of collecting microvertebrate fossils. Contributions of the Museum of Paleontology, University of Michigan 3 (
  14. Hi guys, I'm looking for a little advice on preparing a big block of matrix containing at least two trimerorhachis skulls and other bone material. I'm completely new to fossil preparation and I've never attempted anything like this before, but I purchased this a number of years ago and it's been sitting in a box ever since - the idea of starting it has been too daunting until now. I really have no idea where to begin, so I was hoping for some tips on how to go about this. It's a very sold block of matrix, and I doubt I'd get very far with simple hand tools such as a scalpel. I'v
  15. I had an issue with my Paasche AECR remote canister where the flow of abrasive (bicarb) was very inconsistent. I had to shake the canister manually every minute or so, and the flow was much more abrasive right after I shook the van because more bicarb was floating in the air, decreasing abrasive ness until I would have to shake it again a minute later. This led to very inconsistent prep results. I decided I needed to take some sort of vibrating device and attach it to the canister containing the abrasive so that it would constantly shake bicarb into the air to be run through the air abrasive s
  16. Winter Hobby

    Diplomystus

    My latest completion. I like this one but still prefer the Mioplosus. I'm looking for a Priscacara next. Maybe Santa will bring me a fossil for Christmas!
  17. Kane

    A few crinoids

    I preface this by saying I'm not a crinoid collector, nor someone who has the foggiest idea of how to prep them effectively. If I encounter one that looks relatively complete, I'll bring it home. I focus prep on trilobites mostly, and there is a thread where I park those. It's been a busy week at the bench, and I thought I'd close it out with one finished piece, and one that is halfway done. First up is the finished piece. I didn't take a before photo for some reason, but these appear as faint traces in this material. This one is an Ectenocrinus. It already had some da
  18. Opabinia Blues

    Fossil Tooth Tip Restoration?

    Hello, I have a large canine tooth (~14 cm with the root, ~6.5 cm with just the tooth) from the White River Formation that I collected this summer on privately held land in northeastern Colorado, and though the fossil in its natural state is fantastic as-is I’m thinking about doing a little bit of restoration on the fossil and am looking for some insights. The tooth itself is from either an entelodont or the rhino Metamynodon, with the shape of the tooth and root strongly suggesting the latter to me (feel free to speak out if you have an opinion one way or the other, though I’m not
  19. Hi guys! I am not sure if anyone has encountered such fossils before but when collecting fossils at the Salons Formation in PA this summer I found this brachiopod: This brachiopod is nicely inflated and has great detail, one problem is that the surface of it is covered in this layer of limestone with patches of calcite. I would love to get rid of it but I am really not sure how to go about doing so. Here is an extra picture of how it looks up close: Any help would be appreciated, Thank you!
  20. Winter Hobby

    Latest project

    From the album: Winter Hobby

    This has become very addicting. I've been using an art gum eraser with a bit of success. I'm hearing that a micro abrasion tool is the next "tool" to invest in if I want to take this to the next level. They seem a bit pricy and cumbersome. Any thoughts?
  21. I recently completed my first fossil prep. Woohoo! As a novice, I did a lot of reading and research; trying to piece together exactly what I was supposed to do. How exactly I was supposed to "prep" the fossil and what that process entailed. While I found a wealth of information here on TFF, and other avenues, that information took a while for me to uncover and assemble into something useful. Not that the information itself wasn't useful, but uncovering a bit of info would often cause even more questions to arise. Consequently, it sometimes felt like taking 1 step forward but 3 steps back at th
  22. Winter Hobby

    Detail work

    Unlike the soft oil-shale, I've been preparing this Knightia from a much harder matrix. It's still oil-shale but doesn't seem to flake off as easily as the other. I love how I can see the specific bones and the scale is a bonus. Here is my question to the frum: The dental tool shown in the photo is what I've been using but it doesn't seem to be able to get that final bit of matrix off. It looks like it's covered in a thin layer of dust and I'm worried that if I scratch it off, I will lose much of the detail. How do I remove the final layer and get that dark brown carbon color
  23. Winter Hobby

    New project

    I was warned that this can get addictive. My current project is 2 Knightia in oil shale. I'll post updates but I'm going slow on this one.
  24. Hi everyone, I've been a bit of a skulker on these forums so I will make my introduction brief and get to the pretty photos. I moved to New Mexico about 2 years ago and have been fossil hunting and rock hounding ever since. I've found some pretty awesome stuff, but this past weekend I really had my first major find, what I believe to be Coilopercas inflatum (see attached pictures). I have managed to get this specimen out of its surrounding matrix very nicely, and I would like to keep it whole and attached to the matrix base that it is currently on (the ammonite is actually detached
  25. Winter Hobby

    Identifying

    I'm told the middle fish is a Knightia. Any ideas about what the other 2 are? Also, When I'm done preparing this, how can I darken the fossils and seal it up? It's in oil-shale. Thanks!
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