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Found 5 results

  1. Hi all, I just acquired several Lebanese fossils that are very chalky. The fossils themselves are even slightly covered in a fine white dust. They also feel as though they could easily be damaged. Does anyone have any tips for cleaning of Lebanese fossils? Can I rinse them lightly with water? Should I also use a sealant on them? Thank you.
  2. Hey guys! So I thought that I would start a new blog here. I have been looking for videos and other instructional material on line for how to prep / clean a fossil and have not found much. Google did not seem to be to helpful in this matter. I did find a few more things on this forum and they were very helpful. I learned what materials I needed and some techniques of how to clean fossils, but nothing like "Make sure to do this.....", "don't do this....". So I was able to gain access to my School's Palio and geoscience lab, and we put together a fossil prep lab. Now it may not be as fancy as a museum but it works!! And I am excited to work there! I may also be able to go to a nearby museum and be trained in how to do this as well. We will see. So I have some trilobites from the wheeler shale formation, in Dugway Utah, that I will be practicing on. The point of this is to get my skills high enough to be able to work on other fossils with out damaging them, for a research project I am involved in. In the video I show you what I do and talk about why and also talk about what I do wrong and how I fixed them. Please feel free to talk about this and to give advice. Here is a video of what I have been able to do so far. I started a youtube channel so that everyone can see what I am doing. https://youtu.be/sS_wvF4v2VE I have more info in my blog. So please go check it out and follow it so you can get updates right away! http://www.thefossilforum.com/index.php?/blog/165-fossil-preparation-blog/ You can also subscribe to my youtube channel and find me on Facebook as well!
  3. Hello everyone! So i have been hard at work. Last time I damaged a couple of fossils because the PSI on the sandblasting machine was too high while I was working on removing matrix directly off the fossil. This time I learned that higher pressures like 20 or 40 PSI can be useful for removing large amounts of matrix that are not directly touching the fossil. While lower pressures like 5 PSI are useful for removing small amounts of matrix to expose details of fossils. Also it is a good idea to wait to expose details until the entire fossil is mostly exposed and only detail work remains. This is because the more a fossil is exposed and being worked on the higher chances are that details will be erased by the air abrasive moving over the fossil. Even in areas you are not directly working on. Please watch my video and learn more about it! Special thanks to the University of Utah for letting me use their lab, and a special thanks to the University of Utah Undergraduate Research Opportunity Program for helping too!
  4. Getting Started

    Hey guys! So I thought that I would start a new blog here. I have been looking for videos and other instructional material on line for how to prep / clean a fossil and have not found much. Google did not seem to be to helpful in this matter. I did find a few more things on this forum and they were very helpful. I learned what materials I needed and some techniques of how to clean fossils, but nothing like "Make sure to do this.....", "don't do this....". So I was able to gain access to my School's Palio and geoscience lab, and we put together a fossil prep lab. Now it may not be as fancy as a museum but it works!! And I am excited to work there! I may also be able to go to a nearby museum and be trained in how to do this as well. We will see. So I have some trilobites from the wheeler shale formation, in Dugway Utah, that I will be practicing on. The point of this is to get my skills high enough to be able to work on other fossils with out damaging them, for a research project I am involved in. In the video I show you what I do and talk about why and also talk about what I do wrong and how I fixed them. Please feel free to talk about this and to give advice. Here is a video of what I have been able to do so far. I started a youtube channel so that everyone can see what I am doing. So far I found that if i put a circled groove around the fossil, hopefully deep enough, that when I break the parallel layers of shale below the fossil that it will let the fossil be removed, with some matrix, from the rock. I will then later remove the excess rock off the fossil with an air abrasive / sandblasting machine. After I put the circled groove around my trilobite fossil I put my finger on it so that way it does not fly away when I use the air pen to pop it out. I had some success with this. I also found that keeping the PSI on the sand blasting machine around 5 PSI was necessary. Anything higher then that and I was damaging the fossils I found this out the hard way. I damaged two fossil because I did not check the PSI on the machine before I started. Fortunately they are ones that I own and not some one else. Best check that PSI next time!! Well enjoy my video! and remember please share this with others who are interested in getting started. And feel free to give any advice I would need for a beginner! Zach
  5. I am sorry if this is a redundant post, but the information I need seems to be spread throughout so many different places, and with so many differing opinions, that I am confused. I was hoping to find a discussion of pros & cons of one fossil cleaning method over another all in one place. Or even maybe a cool chart..."If you have ____ soak it for ____ days in ____ and then ____. DO NOT____ " Which is better, Vinegar, H2O2, or Baking Soda? Or does it depend on the material on the fossil as well as the fossil itself? Does Apple Cider Vinegar vs White Vinegar really matter? When is just water and mild dish soap okay? How long do I need to soak bones in fresh water? Teeth? Just went on a group hunt this weekend along the Potomac and have some cool Miocene specimens. I usually like to hunt alone but this gave us access to restricted areas. I even met two forum members! Have some shark teeth to clean (thinking just mild dish soap and water here), and some big whale verts and bones (thinking those need a soak in something to neutralize acid). And do you treat an epiphysis as you would a bone or vert? What about dolphin ear bones? Also have some huge Chesapectens with the matrix still attached. Our guide found a fall full of them. So I let the matrix dry out first before cleaning so the shell doesn't crumble, right? How long does that take? And then how do you clean shells? What about trace fossils? I have a fragile little burrow. Also have turritella impressions and internal molds, wouldn't want those to crumble. Sorry for so many questions, especially if the answers were out there and I just couldn't find them. Happy to be given links to helpful posts here or websites. This is only my second year of intentional hunting and I have so much to learn. Thank you!
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