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  1. Well, I’m finally getting to dig into my truckload of fossils from my Wyoming trip with @RJB so it’s my turn to open up a prep thread. I spent a couple hours today poking around to find the perfect fish to start with. The 18” layer never disappoints. This good sized Diplomystus has 2 Knightia on top of it. I’m going to try to save both but I’m concerned that the right hand one is covering most of the Diplo’s skull. If that’s the case, the little guy will have to go! This is after about 90 minutes of scribe work.
  2. Sam Patterson

    Fossil Hill Nevada Fossil Prep

    I was wondering if anyone has done any fossil prep with material from Fossil Hill Nevada?
  3. Daze

    Sauropod claw prep

    Just purchased this Sauropod ungual/claw from Niger, haven't received it yet though. I want to prep it a bit to make it look a little better, for instance some restoration to the tip. Also I notice the black/darker patches on the bone which I see a lot on claws from Niger. Are these remnants of bone or is this matrix?
  4. hadrosauridae

    And then there were 3

    It took a long time to find my first comco blaster, and it's been a couple years since, but I finally found another auction, 2 in fact. I wanted 1 more for a second prep station, but I couldn't pass up a good deal. So now I need to open them up, clean, and replace anything worn out. Glad I already learned how to overhaul these from my first blaster. I plan on selling one of these after I'm sure it's in good working order.
  5. Ptychodus04

    Stingray Prep

    I just got started on a stingray from the Green River Formation. It’s in a few pieces but I believe it is all there. Time will tell. Here’s the 1st section. As prep is beginning. 6 hours in: Time lapse IMG_1135.mov 17 hours in: The rays are so delicate, I’m limited to working around 3 hours max in one session before I need a break to rest my hand and mind. Any minor slip means that part of the specimen is destroyed and its 100% scribe work. No easy air abrasive on this guy, it would blow the specimen right off the matrix! It’s definitely a high intensity prep.
  6. A few months ago I decided I would make an air scribe setup I could put in my office. It took about a month of research and planning to settle on everything. It works great, is totally safe, and my wife hasn't gone mad yet! I thought this would be something the forum would enjoy seeing, as I couldn't find any good information on this topic to help me build mine at the time so I might as well share what I learned along the way! The basic considerations were as follows: Be safe Be professional Be quiet Be reasonably priced Let's break down the requirements and see how they influenced the project. Be Safe The number one concern was airborne dust particles, and their potential to cause major damage to my lungs, and also the lungs of my dogs and wife over time if it got circulated throughout the house through the AC. To combat this I needed to make a box that could contain the dust/rock chips and some form of dust extraction. Not only that, I also needed to ensure the dust extraction was rated for such abrasive dust, and that it would have a HEPA filter to catch the dust and not recirculate it out into the room. Let's start with dust extraction. I had suggestions to just use a shop-vac, however this is not a good idea. Firstly, it's not safe as the filter cannot catch the fine damage-causing silica dust but also it couldn't be run for hours in a row without burning up. I found through my research that this is not an easy product to source, especially not in the US. After a lot of time spent looking and some helpful advice I found Vaniman, and specifically the StoneVac II to be the right product for my needs. It has a bypass motor so the motor doesn't get damaged by the dust which gives it a much longer lifespan. I did not get the brushless version, one reason being this price, but it's also was just unnecessary. For a smaller prep box the Abrasive Vac would work just as well, jsut make sure you request the HEPA filter. Speaking of the box! For the box I designed it based on The Wobbly Fossiler's design. It was made out of one sheet of 1/4" plywood and 1x1's as stringers. The base is 2'x3' as I wanted plenty of room to work on larger pieces. I screwed the wood together and caulked all the joints, then painted over that. The entrance for the hands is garage door brush seal on the top and bottom. This allows ease of access for the hands, mobility/flexibility, keeps chunks from flying back out and, very importantly, is not airtight. One thing I didn't consider initially is that the box cannot be totally airtight or the vacuum won't be able to pull the dust out due to no airflow. I attempted to make everything airtight except this entrance so that the air is predictably entering the box from the front and being drawn straight out the back. For the window I cut a piece of plexiglass and put clear silicone inbetween it and the lid, then bolted it together. This makes it an airtight seal, yet makes it easy to replace in the case of damage to the plexiglass. I ran weather strip seal around the edges of the lid, used latches to secure the lid shut, ran strip LEDs around the inside and cut a hole in the back for the vacuum hose to enter. I used a gromet to ensure an airtight seal around the vacuum hose, which surprisingly was the hardest part of the whole build to source. I could certainly make a better box if I did it again, but I am very satisfied with the result. Professional Capabilities This consideration steered the vision of the project and its scope. I purchased 2 PaleoZOIC scribes (the Velociraptor II and the Balaur) as my scribes to use in this box. There would be no reason to invest in such nice prep tools if the environment they were being used in was poorly constructed, cheap and unable to get the most out of this investment. I also wanted to make sure I had plenty of room to work on some large chunks of Limestone I had collected in the past, and to do that I needed a much larger and more versatile box than any prebuilt ones I came across. I also like the ability to move my arms in and out and side to side to get to whatever position is comfortable as I have some sensitive wrists. Prebuilt boxes and they were either absurdly expensive, or unreliable. Don't Drive my Wife Insane (Be Quiet) As mentioned, this setup was going to go into my inside office. For this consideration, that meant I had to be considerate of others who the noise might impact, namely my wife. Another great advantage of the StoneVac II that I didn't previously mention is how quiet it is. It is quiet enough to have a, maybe slightly elevated, conversation over. However, it is leagues quieter than a ShopVac. This means with the door shut to my office it is not an issue for others in the house. The same can be said for the air compressor. I got an 8 Gallon air compressor from California Air Tools and am very pleased with both its quiet noise level and ability to easily keep up with my tools. It is also oil free and brushless, allowing for virtually no maintenance and a longer life span. I am very satisfied with these two pieces of equipment. Price For this final category, I had to make sure to balance budget, efficiency and safety. Because I saved money on the box I was able to get two very nice air scribes. The air compressor was also quiet inexpensive all things considered. The biggest single expense was undoubtedly the dust extractor, however that is also the piece you cannot skimp out on since it is the most important piece to the puzzle of safety and health. I debated whether it was worth spending so much for this, but in the end I knew my health was more important. The biggest place you could save money over my setup is undoubtedly in the scribes. I needed some high quality scribes for some very delicate prep work I needed to do, so depending on what you're doing you could certainly save a lot there. Conclusions I am very satisfied with my setup as it strikes a great harmony between functionality and price. I would recommend a similar setup to anyone who like myself wants to prep inside for whatever reasons, needs a setup that isn't too expensive, and wants the ability to do professional-grade prep. I am happy to answer any questions! I hope this wasn't too long-winded, I wanted to ensure everything was covered to hopefully inspire/inform others who might have similar limitations and restrictions. Happy prepping!
  7. I decided to document this prep so I am doing on a Bryozoan I found in Kansas. Not sure of the species, but that is part of why I am prepping it. Hope Y’all enjoy! this is what it looks like before I started. I will post an update once I get part way through.
  8. Happy New Year everyone! Apparently I was good last year because I got gifted a blast cabinet and a mobile problast from vaniman which have been amazing. I made some mods to my hf cabinet that made it much more useful. I added a base frame and castors too it and changed the lighting to led bars which really improve the lighting. I also used some extra angle iron to the back to use as a mounting bracket for my magnifying lens. I also updated the switch to house some plugs. Here it is in all its glory. All in all I'm pretty happy with it the only thing I might do is cut the gloves out and use disposable gloves as the stock gloves are too large for my hand. Here is the air drying system that I put together I will definitely modify it in the future but it works great for now. For the first prep after a bit of practice I chose a fairly beat up Hadrosaur Chevron. It has a palm seed and a stick in the v that I though were pretty cool. There were definitely some mistakes but all in all I'm fairly happy with it. I'll probably go back and re-prep it later but for now I like it. Hope you enjoyed this and I can't wait to show you all the things I'll prep this year!
  9. Tayylxxrrr

    Prep tools

    Hi, can someone recommend me some good fossil prepping tools on Amazon for under 200 even if it’s an air scribe with a compressor, total under 200. Please attach pictures if you can thank you:))))
  10. Ptychodus04

    Training the next generation

    My youngest has moved up from prepping a Knightia with a needle to cleaning and stabilizing a mosasaur skull that is crumbling is a very sub par field jacket! I'm going to have to expand my prep lab again to give him a place to work!!
  11. I found this Ammonite a couple weeks ago and I wanted to prep it. I dont know how to prep the inner whorls and it seems kinda hard. Im Using a Dremel 290 (factory tip bc the Zoic tips doesn't arrive yet) Any opinion or tip will be good welcome!
  12. Well, after a year of searching, I finally found my first trilobite! They are relatively rare in my area (KC), so I’m pretty ecstatic. Decided to take this prep nice and slow, here’s the bug how I found it: Rock is thankfully not really sticky, was able to spend 40 min on this yesterday: As you can see in the last photo, I used my chisel tip to scribe excess material from above where the head might be. I took it down as far as I was brave enough to do so, because I’m worried that the head might be curved upward. I’m no trilobite expert, so any premature guesses on the species? Update possibly coming tonight. Have a great weekend everyone! -Jay
  13. As the title says show your hand prepped fossils.
  14. Being a member of the forum for 7 great years now, I have seen plenty of questions from beginners asking how to prep their finds. And this was something I struggled with at the beginning myself. As a result, I have brought together some of MY techniques of basic fossil preparation in a picture heavy presentation. Each fossil shown required less than 4 minutes to prep. It works well for me with the type of rock that I pick up. My old techniques will probably make more advanced members cringe!!! But remember, we all have to start somewhere. So let us begin with items that are probably already found in your home . We will need some matrix to work on. All pieces of matrix in the bucket have a hint of a fossil showing. From experience, I have found that removing most of the matrix out on a hunt results in disaster. Improper tools, hasty removal, pieces fly and drop onto the rocks below, no glue. Trim pieces down to a reasonable size but do the finesse work at home. VICE: I knew the vice would make some of you scream NO!!!! I heard @Malcolmt for sure!!! The vice is usually used for breaking off larger chunks of matrix . Always begin AWAY from the fossil and as matrix is removed, move towards it. Microfractures will occur in the matrix as one progresses closer to the fossil. Something that you can "feel". At this point the heavy duty equipment can be put away and use more delicate utensils. When applying pressure to the matrix, do so SLOWLY. Often you will feel the rock break BEFORE cracks are seen. Stop and assess the situation before proceeding. Look at the pieces of matrix removed as they can reveal unseen fossils that are worthy of collection. If an unforeseen fracture occurs through the fossil, CAREFULLY remove the pieces from the vice. This is why superglue is pictured in the tools needed for preparation. HAMMER: It is used with a chisel or a drywall screw but can be utilized alone. If such is the case, I have had the best luck tapping the matrix on the backside. Give gentile taps over the surface of the matrix trying to find weaknesses in the rock. As with the vice, you often feel the weakness before the break. This allows inspection of the fossil, making sure the matrix doesn't split through the fossil. On layered matrix, Tap on the sides of the specimen, not on the top or bottom. This will allow splitting of the sample in a bedding plane, as seen below. CHISEL: Chisels seem to be most effective in very hard matrix or softer layered stone. Place the chisel on a bedding plane NEXT TO the fossil. If the chisel touches a fossil, a imperfection will likely be produced. Unfortunately, sometimes this can't be helped. As with the vice and hammer, start with gentle taps, slowly increasing in force until success is had.
  15. Hello y’all! Since my last brach prep thread, I have actually prepped another brachiopod that I intended to make this thread about, but it turns out that it had been crushed prior to fossilization. I decided that it wasn’t worth writing home for, so I present to you: Project Sticky! Here it is before any prep: Now, the name is self explanatory: the matrix is so sticky, it’s pulling off a layer of shell with every rock flake!!! You can see an area where it pulled off much more than everywhere else: I decided that while this one will be a rough brach, I might as well finish it. I’m still trying to learn, so really this is partially a practice prep. Anyways, here it is after a total of 40 min prepping: Still far from done. Aaand, when I went to hammer some of the excess matrix, this got exposed: Looks like this rock will have a double brach prep. Should make it look more eye-appealing when done. Anyways, I did all this yesterday, and it took about 1 1/2 hours. Didn’t take any pics, but I did paraloid the exposed parts of the main shell. Next update may come tonight, or tomorrow morning. Hope y’all enjoyed this, have a great day!
  16. Our Rock and Fossil Club participates in an event called "Day at the Quarry" where children (and adults) with interest in Geology and Paleontology spend an afternoon in a local quarry learning about its operation as well as collecting minerals and fossils. Inside the main tent, one of our members was showing off a collection of crystals for the visitors. In addition, he had brought one of his prep tools to clean out the interior of geodes that the children broke open. It was a textile cleaning gun which shoots a high velocity stream of water, great for cleaning both textiles and rocks!! I was so impressed with its ability to clean, that I ordered one immediately upon arriving home, at a cost of around $50.00. It is visible on the center of his table. As mentioned, it is high velocity and can actually injure your hand if in the way of the stream of water. Here are two examples of its use on brachiopods. What a difference! Takes just seconds. No pin vice can clean out the crevasses as well as this device!!! Though I must divulge, it does NOT remove all of the matrix stuck to some fossils and occasionally will destroy a fossil due to too much pressure. So it is a learning curve in deciding when to use it.
  17. svcgoat

    Crab from New Zealand

    I started prepping this crab I purchased when I was in New Zealand. I am relatively new to prepping so not sure how much more to do. I cleaned up the crab and revealed a little bit more of it so far. Not exactly sure how much more is hiding under the matrix
  18. So i found this Ammonite few months ago. I want to prep it but there is some factors that made me think its quite hard/impossible with the tools that I have right now The first thing is how sticky is the matrix (I dont know if you can see in the image) but the matrix is really sticky and thick in some places. The second thing is the size of the specimen, and its not even complete. Thats the principal thing that made me want to prep it, but I dont know if is possible I have the Dremel 290 with the Zoic tips
  19. Hello y'all, I recently got my Dremel 290, and I haven't actually prepped anything with it yet, as I have just played around with it on a scrap fossil to get a feel for it. I decided to start my first actual prep, and I figured I'd bring y'all along with me as I thought it might help others just starting out by learning from my mistakes (hopefully not too many). Well, here goes. This is a small brachipod I found, and is not very impressive, so I'm not afraid of ruining it. Then again, if this turns out the way I hope, it will be a very attractive desk display piece. Found in Kansas City area, in a roadcut that has the best mineralization I've seen yet here. Some of the shells will be black, and I have found a few that have nice blues and reds. This one is mainly grey. Before leaving town this past week, I was able to get about 30 min in. Started with leveling the matrix around the fossil a bit, then started work on removing matrix from this fossil. Hurts to scribe right through these spines, maybe someday I'll learn how to air abrasion, and be able to save the spines similarly to those spectacular trilobites we've all seen. Leveling the matrix: And getting to work on the shell: Hopefully y'all enjoyed this. I will be posting here as progress is made. Won't be able to work on it until next Monday, see y'all then! Have a great weekend.
  20. Hello everyone, I had a few questions on setting up my air Abrader specifically on air dryer filters I know there are a lot of pages out there as I've read them all. I have this filter from harbor freight LINK I know I need a desiccant filter or two as well and I got to thinking if I should return the one I have and get one of those 2 or 3 stage filters with the desiccant filter included like this guy: https://www.harborfreight.com/38-in-nptf-desiccant-dryer-and-filter-58180.html?utm_source=google&utm_medium=cpc&utm_campaign=12126915354&campaignid=12126915354&utm_content=132243102869&adsetid=132243102869&product=58180&store=41&gad_source=1&gclid=Cj0KCQiA35urBhDCARIsAOU7Qwl0IefDZuU6PvZ7X9WUiyCjhicbkNiLligX1zlEXNZ7XElW3KtEy3saAp7QEALw_wcB I was also curious if and if so why I need a regulator at the end of my desiccant line. One a similar note I've read several complaints about the size of desiccant filters and came across a YouTube video I think @hadrosauridae made (correct me if I'm wrong) making a large DIY desiccant filter and was curious if anyone has done that or something similar with good results. I do live in Utah so I don't have loads of humidity but know dry air is a must and I'd rather do it right the first time (while staying within my PhD student budget haha) Thanks for all your help in advance!
  21. hadrosauridae

    Hell creek rib

    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.
  22. Like the title states, let's see your results with acid prepping! I have found not as much info on this style of prepping, so please feel free to give some details as to how it was done, i.e. time, technique, soak sessions, etc. Have a great day everyone~
  23. Alvrr.0

    First prep

    Well, today my Zoic tips arrive so i decide to continue the preparation of this Ammonite. Its not finished yet but im really happy with the resultas. the rock pop quickly and easily. The inner whorls are preserved, that's the best thing for me. Its my very first real preparation project, so im very excited of the next one. Any tips to keep going with this specimen, general tips or commentary will be well recived
  24. Alvrr.0

    How to remove bitumen?

    I bought a fossil but it is cover with bitumen and I dont like how looks an Ammonite because it lost the natural color. Is there anyway to remove/dissolve the bitumen?
  25. Alvrr.0

    Messed up :(

    So i was prepping the little Ammonite and it break suddenly while doing the preparation. I tried to use superglue in the fossil to put back together the rock and the super glue falls covering my fingers and part of the fossil. I dont know how to clean it, I tried removing the super glue but it was impossible Now the Ammonite lost plenty of ribs in the good part. I will try prepping the other size. But im very sad right now
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