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Found 196 results

  1. Clay.

    So I see that some people stand their teeth upright by attaching some sort of clay to hold it and prevent it from falling over. I just want to know what kind of clay would be best for that. Thanks.
  2. ItHi all, Well, we've got large coiled fossil we were not quite sure of what it was found recently in the Permian on the Mogollon Rim. I have had a hard time seeing the right shapes with a concave mold in the coarse limestone, so we decided a final look at the cast would confirm what we suspected as for its identity. It worked! Ill tell you at the end what it was but first I documented the process of filling in the mold in the limestone with white modeling clay as to get a better look at what we had. Here is the huge spiral fossil we wished to cast: First, I wanted to try it on a smaller planospiral gastropod, similar to the one in question. Details are coarse in limestones, and trying to make a latex cast would be a nightmare to remove because of all the fine pits and depressions would make the latex impossible to remove later when it dried. So we went to the craft store and got some pure white modeling clay. If your not familiar with this stuff, it is not the stuff you played with as a kid. Modeling clay feels the same, but is water soluble and will harden rock hard when it dries out. So here is what we started with: The small test fossil was first sprinkled with talcum powder as a release agent. This works very well and is white like the clay. ThisA round clay ball was tore off the big brick of clay in the package ($8 at Micheals) This was pressed into the fossil as best as possible to get the basic gastropod shape: When removedhere - which is very easy with the powder, you get a perfect shape: Out in the sun, here is the result when dry: Well,since that worked pretty well, we started on the big fossil. First the powder: Covered: Then started packing in clay balls all over the fossil: The final load of clay was packed on top to give it strength. It then easily lifts right off, and the cast is carefully laid in a sunny window to dry: And the final result with the proper sun angle two days later was this: So we were able now to confirm what we had suspected all along, this was a huge Straparollus kaibabensis with the nodal bumps on the sides of the adult whorls. The total size was about six inches. So thats it, it works well for fossils in limestone which have little detail and gives you the basic shape. For highly detailed molds in cherts like the stunning crinoids we find in the Redwall, we still use latex. Thanks for looking!
  3. Tips on a few finds

    Hi everyone, I'm looking for a bit of help with 3 finds from this weekend that I have 0 idea where to start with (bear in mind short of crinoids, trilobites, ammonites and belemnites I've not seen very much). All of these come from Warden Point on the Isle of Sheppey, UK. Lower eocene, London Clay formation. The first was recovered from the shorefront, the last two were found in-situ in the cliff face (loose, no hammering was required to remove them). This first one looks really exciting to me and for some reasons when I saw it I thought "turtle" but truth is I have no idea where to place this. The second one looked like a tooth to me, just an irregular shape I guess. As a piece broke off I can now see the interior structure and there is a clear layer of mineral/crystalline deposit on the surface, but beyond that I can't distinguish anything. This is likely to be nothing, but still I'd prefer to hear it from someone that has a better idea. The last one is probably the most exciting and puzzling of all as it is quite large. The curved shape and striated structure of this drew my attention to it and I decided to remove it from the clay and take it home for a closer look. Turns out I was right as there is definitely a hollow structure that I was able to reveal. As to what this may be, I could only guess as a large gastropod perhaps? Your mind races to stuff like dinosaur claws/horns/etc with some of these (very mature of me, I know), but it would be really interesting to hear any guesses that might fit the location. More importantly I would really like some advice on how I could extract the fossil from its matrix as it still has quite a lot of hardened clay around it and after going at it for an hour with a toothbrush and very tentatively with a small knife trying to pry off the clay, I decided to leave it alone for fear of damaging it. Thank you in advance for your patience and any questions that might help with suggestions I will try to answer as quickly as I can (if I can :))
  4. From the album Elcoincoin collection : 1 - Albian of Troyes

    Case with Hoplites ammonites from the albian clay of Troyes
  5. From the album Elcoincoin collection : 1 - Albian of Troyes

    Case with heteromorph ammonites from the albian clay of Troyes
  6. Gastropods from the albian clay of Troyes

    From the album Elcoincoin collection : 1 - Albian of Troyes

    Case with gastropods + miscellanous from the albian clay of Troyes
  7. Crustaceans from the albian clay of Troyes

    From the album Elcoincoin collection : 1 - Albian of Troyes

    Case with crustaceans from the albian clay of Troyes
  8. Crabs from the albian clay of Troyes

    From the album Elcoincoin collection : 1 - Albian of Troyes

    Case with crabs from the albian clay of Troyes
  9. Bivalves from the albian clay of Troyes

    From the album Elcoincoin collection : 1 - Albian of Troyes

    Case with bivalves from the albian clay of Troyes
  10. Vertebrates from the albian clay of Troyes

    From the album Elcoincoin collection : 1 - Albian of Troyes

    Case with vertebrate remains + miscellanous from the albian clay of Troyes
  11. These fossils were found by me in a woodland by my house, the area it was found in was rich in clay and moss, the first fossil intrigued me most as It definetly looks like a very faded ammonite, can clay yield good fossils though? and are these even fossils, thanks. And the final one.
  12. Found while digging trench. Large Fossil.

    Hi, I am brand new to forum. Signed up because of my sudden interest in fossils. I unearthed one in Michigan this past week 3/22, while digging a trench. I need to find someone that can verify and advise me how to protect it. I believe it contains bone fragment. One large portion of bone is removable. From what I am learning on the fly, it is a true form fossil, cast in place. I believe it is a complete animal skull. I will add any necessary details soon and pictures when I compress file size.
  13. Sculpture of Lyme Regis 200 mya

    Hi all! For the holidays, I am enjoying a nice relaxation at my grandparents house in Middelburg (NL). We were planning on hunting at Kaloot for sharkteeth and seashells, unfortunately the bad weather prevented it . My grandma, being a sculptor (Hanneke Beaumont, if you're interested in sculpture you might know her), brought me to her atelier today for me to make something myself. I had already made a few things a few years back, so the material wasn't very new to me. 1) an Euoplocephalus in its habitat 2) an Acrocanthosaurus resting its head on a tree (because its head is too heavy ) Today, I wanted to make something new, so I decided, after a bit of brainstorming, to make a re-creation of what Lyme Regis (UK) looked like 200 million years ago, basing my idea on the fossils from the Blue Lias formation found there (ammonites, belemnites, coral, fish, marine reptiles, etc). I am using this picture for ideas on the background. I am nowhere near finished, as for now I have only worked on it for one morning. I am planning on finishing it though as quickly as possible. This is what I have done till now: Sorry for it being wet, but I had to make it wet so that it wouldn't dry up immediately. The big lumps are meant to represent rocks on the seafloor, and the tubes plus the othe thing are meant to be coral. In the middle lies an ammonite shell half-buried in the sand. Detail on the ammonite: Detail on the corals: I am going to add still a small Dapedium fish, a big ammonite and a big belemnite, then add a few more small details. I will return this afternoon and tomorrow morning, and will of course keep you updated of the progress! I hope the end result will be good! Best regards, Max
  14. What is this?

  15. This might prove very easy for more advanced fossil collectors to answer. In 2004, the floodwaters from Hurricane Gaston swept away a large amount of soil and clay from an existing stream near the backyard of our suburban house near Mechanicsville, Virginia, exposing a clay bed littered with numerous fossils. The turritella you see in the picture occurs the most frequently of all our finds, and the small clam fossils are a close second. We've recently started to find more of the kind of scallop fossil in the image, which we guessed was a chesapecten jeffersonius, Virginia's state fossil. I found one moonsnail fossil in the same clay, but it's the only fossil of that kind that we've found. Anyway, I'm not much of a geologist, so I haven't been able to precisely date these, or identify them with a specific epoch. I have what I think is a reasonable guess, but I'd like to get a specific date on just how many years worth of soil Gaston scrubbed away from our backyard. Thanks!
  16. Yearly trip to Troyes - 2016

    Hello all, As each year i made my trip to Troyes and her albian layers in Champagne. On the first day, we decided to head to a first exposure on the bank o the lake. We didnt find much : a few small ammonites, gastropods, bivalves and corals ..... also a few crab fragments, but definitly not much to brag about.... Most of the spot was covered by a layer of dead waterweed, hiding everything. After a quick meal we decided to head to spot 2, another spot by the lake. At second spot, it was even worst : the whole exposure was buried under dry weed. Since there was not much reason to keep on we decided to call it for the day ....with a very very poor loot. On second day i headed alone to our third spot, harder to reach. After a quite long walk in the mud, i reached the exposure. That one was totally free from weed. The spot was very rich. 90 % of the stuff i collected were crustacean parts. Actually the only intersting stuff... but very interesting As a teaser, here come a group view of a part of the etyus martini carapaces i found. The most abundant crustacean of the day. Stopping it for today, to be followed a trip in the numerous species of crustaceans i was able to find.... See you soon
  17. Hoploparia longimana 4 - view 1.JPG

    From the album Troyes - october 2016 - fossils from the albian clay

    Hoploparia longimana, a shrimp from the albian clay of Troyes area (Aube - France)
  18. indet. shrimp claw 7.JPG

    From the album Troyes - october 2016 - fossils from the albian clay

    An indet. shrimp claw from the albian clay of Troyes area (Aube - France)
  19. indet. shrimp claw 6.JPG

    From the album Troyes - october 2016 - fossils from the albian clay

    An indet. shrimp claw from the albian clay of Troyes area (Aube - France)
  20. indet. shrimp claw 5.JPG

    From the album Troyes - october 2016 - fossils from the albian clay

    An indet. shrimp claw from the albian clay of Troyes area (Aube - France)
  21. indet shrimp claw 4.JPG

    From the album Troyes - october 2016 - fossils from the albian clay

    An indet. shrimp claw from the albian clay of Troyes area (Aube - France)
  22. indet shrimp claw 3.JPG

    From the album Troyes - october 2016 - fossils from the albian clay

    An indet. shrimp claw from the albian clay of Troyes area (Aube - France)
  23. indet. shrimp claw 2.JPG

    From the album Troyes - october 2016 - fossils from the albian clay

    An indet. shrimp claw from the albian clay of Troyes area (Aube - France)
  24. indet. shrimp claw 1.JPG

    From the album Troyes - october 2016 - fossils from the albian clay

    An indet. shrimp claw from the albian clay of Troyes area (Aube - France)
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