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Found 36 results

  1. Matrix Question

    Hi forum, I'm currently looking at a Plesiosaur tooth from Morocco. The listing says, preserved in phosphatic matrix. Does this mean it was found like this, or placed in this by the seller? Thanks
  2. To whom do I belong?

    OK, this one might be difficult as I don't have any information to go along with it. My sister bought this at a thrift store in Portland, Oregon. There is nothing to say where it is from or age. However, it does look like some of the White Water Formation fossils I have seen. The matrix is very hard stone not like compressed silt or anything that can be handled with dental tools. The tooth and bone has had a consolidant applied at some time. Can this get an ID or is that just a pipe dream?
  3. Hi everyone, I am looking for some matrix that is the hard kind that won't break or dissolve. I am going to glue teeth to it. I have some 3/4 complete megs that I am willing to trade for it.
  4. Saw for cutting rocks?

    Hi all, do you know if there is a type of hand saw that can be used for squaring off rocks? I know some are probably too hard, but thinking of Green River plates or maybe Utah trilobite shale. Thanks! Nathan
  5. Another "seashell: fossil or not" topic

    Hi all, I know what you're thinking: "Oh god, not another fossil or not seashell topic by Max! " But I need your help again. I'm pretty sure that this one is a fossil, as it is stuck in solid matrix. I'm not completely sure though. Definitely some kind of oyster/pycnodont, this one was found at the beach of Vivari (near Nafplio, Greece), at about 2m of depth (yes I dived; there were many pretty modern seashells in the area, and I eventually stumbled on this one). If there isn't enough detail visible to say, I can try to prep it a bit. The matrix is very hard though, so I can't guarantee success on the prep. What do you think of this one? Best regards, Max
  6. Hi everyone! I was playing around with some matrix fragments from the phosphate deposits of Morocco and decided to give it a dip in water to see what would happen. What surprised me is how quickly the pieces crumbled into tiny clumps. Practically 80% of the matrix was gone in less than 10 seconds, dissolved by the water. I could very well have picked up a piece from dried mud and it would give similar results. I always thought the Moroccan stuff was a kind of sandstone, but what I saw suggests it is more of a clay-type rock? Then again, can the matrix even be considered a rock given how "fragile" it is? Would love to hear your thoughts! Jay
  7. Succesful Fossil Hunt

    Hello all! Recently, I went down to Beaumaris to look for fossils. We were there for a few hours and only found the usual fossils (Lovenia Woodsi) But as we were making our way out of the site, I spotted a large and unusual rock laying in the sand. When I picked it up, I was surprised to find it was filled with a number of fossils and fossilised imprints of shells and over invertebrates. Does anyone know a good way to clean the fossil or should I just leave it? Thanks, Dan
  8. I was scrolling through eBay when I saw this specimen but I don't know whether it's real because I might consider getting it. It is a Discosauriscus.
  9. Any ideas what is in this matrix?

    Noob here. We tried our luck near Andalusia, but as expected the water was too high. We ended up in Sepulga River and this was all we walked away with, but still curious what might be here. There were lots of new mollusks strewn about and I grabbed these just as a MASSIVE huntsman spider chased me off.
  10. Dear fossil preparation experts, I recently acquired a series of articulated vertebrae of a Mosasaur in it's original matrix. The fossil is coming from Kem Kem region in Morocco. My goal is not to extract the fossil bone from the matrix. This would be quite difficult due to the fragility of the specimen. Instead, I would like to clean up the matrix to make it look nicer. Now, my problem is the following: In some areas the matrix is quite dense and hard. In some other areas it is extremely brittle (almost like sand). I would like to use this original matrix-sand to repair the matrix in some spots. I was thinking about mixing the sand with liquid (water? glue?) to get a material that I can use for re-modelling the damaged matrix. Does someone have a good recipe for that? Thank you.
  11. I'm heading out in the morning to gather more BV matrix, as it was so popular the first time. Same rules apply, send me whatever fossilly goodness you feel like, and I'll send you a ton of this stuff. I'll try to be selective on the pieces I gather tomorrow, but as always, it's always a gamble. I'm interested in all fossils, verts, inverts, and plants! -Thanks J
  12. Here is a 2.6" tooth... do you think the matrix is original?
  13. Coprolite

    Can someone tell me the best way to disassemble (?) coprolite in an effort to locate any hidden items? About the only thing I have come up with is a big hammer and I fear destroying anything of interest. Regards, Michael
  14. Brazos River, Texas - Tooth

    What type of tooth is this? And your thoughts on removing some of the excess rock or matrix from the crown?
  15. WHAT ARE THOSE!?

  16. Hi, i'm doing some practice of fossils prep, like i wrote in the title im looking for some unprepared fossils , better if from uk or europe. if someone got some let me know. thanks!
  17. I have some rattlesnake creek micro matrix for trade( 1/4" and smaller). I am open to any trades of something I can't get here in Gainesville. I have a bunch about a gallon worth and some to dry still. The pics are from 1 cup worth. I quickly went through. I know I left some was getting tired and my kids helped. Sorry US only international cost to much. Also willing to trade for rocks and minerals, for my daughter she got a small set at school and looks threw them daily trying to ID them. lol
  18. I got this Titanother tooth the other day and I wanted to clean some of the matrix off. I was wondering if anybody had any tips or tricks on how to do this. What kind of tools should I use. Should I soak it in water first? Should I just leave the matrix on there? Any advice and tips would be appreciated. Thanks Tom
  19. Any chance there's a shell hanging on to this ammonite? I'm talking about the protrusion on the bottom right, at 5 o'clock.
  20. Waste not, want not.

    I used to just bag up loose matrix from bone material to sieve for macros. This is the first time I've tried drying out the dirty water from gently cleaning the bone. I'll post some results in the New Year if I should fine anything interesting.
  21. image.jpeg

    From the album Hollys Fossil Finds

    Beautiful Matrix I found along the James River one day! My favorite still! Perfect condition.. Still need help identifying the exact type of shark, or Era...?!
  22. Cutting matrix

    What do you guys use for cutting down matrices that are err rock hard? I've thought of a tile saw but unless a lot of money is spent then the depth of the cut is really small, 25mm/1in. Would an angle grinder with a concrete blade work? Thanks John
  23. Ammonite in matrix

    From the album Whitby Discoveries, England

    Due to the delicacy of the ammonites found in the slate I like to keep them in-bedded in their natural matrix.

    © Lolman1c

  24. I have dug up a number of middle Pleistocene bivalves and gastropods but some have a very friable (crumbly) matrix. Is there some spray or something to seal and preserve it?
  25. I have dug a number of bivalves and gastropods out of a very friable, crumbly matrix. Anyone have any experience how I can preserve some of the matrix and also make the specimens look good?
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