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Found 212 results

  1. Hi all, Earlier in spring, i had to organise a field trip to "les Vaches Noires" cliffs in Normandy for my association. I decided i should do a trip earlier solo (in february) to see how it had evolved since my last visit. It happened to be kinda useless since with thaw and heavy rains it had evolved so much between my 2 visits... Epoches covered are mainly jurassic (caloivan and oxfordian) but also cretaceous (cenomanian). For pictures of the site itself, you can have a peek to Nala's recent report here : On first visit, i didnt find much that worth mentionning beside a bunch of oxfordian echinoids : nucleolites scutatus and a big ammonites (a bit worn out but still) from oxfordian also : Perisphinctes sp The club trip happened to be much rewarding : In the callovian clay from the beach, i found this nice pyritized Quenstedoceras lamberti On the lower part of the "cliff", i managed to find this one : Quenstedtoceras messiaeni ? and also that oxfordian big gastropod : bourguetia sp Also put my hand on a few complete echinoid spines Paracidaris florigemma spines : On the close up of the bigger one you can see the quality of the preservation : As usual, more samples can be found on my TFF gallery (i also added 2 specimens from 2017 i hadn't shot yet) or on my flickr :
  2. Quenstedtoceras messiaeni ? - view 1

    From the album Vaches Noires spring 2018 and a bit of 2016

    Quenstedtoceras messiaeni ? : a jurassic ammonite from "les Vaches Noires" Cliffs - collected during april 2018
  3. Quenstedtoceras messiaeni ? - view 2

    From the album Vaches Noires spring 2018 and a bit of 2016

    Quenstedtoceras messiaeni ? : a jurassic ammonite from "les Vaches Noires" Cliffs - collected during april 2018.
  4. Quenstedtoceras lamberti - view 1

    From the album Vaches Noires spring 2018 and a bit of 2016

    Quenstedtoceras lamberti : a callovian ammonite from "les Vaches Noires" Cliffs - collected during april 2018.
  5. Quenstedoceras lamberti - view 2

    From the album Vaches Noires spring 2018 and a bit of 2016

    Quenstedtoceras lamberti : a callovian ammonite from "les Vaches Noires" Cliffs - collected during april 2018.
  6. Iron pyrite

    From the album Vaches Noires spring 2018 and a bit of 2016

    Iron pyrite from "les Vaches Noires" Cliffs - collected during april 2018
  7. Belemnite phragmocone

    From the album Vaches Noires spring 2018 and a bit of 2016

    a pyritized belemnite phragmocone from the callovian of "les Vaches Noires" Cliffs - collected during april 2018
  8. Modiolus bipartitus

    From the album Vaches Noires spring 2018 and a bit of 2016

    Modiolus bipartitus : a jurassic bivalve from "les Vaches Noires" Cliffs - collected during april 2018.
  9. Aporrhaidae indet.

    From the album Vaches Noires spring 2018 and a bit of 2016

    an indet. Aporrhaidae gastropod from the callovian of "les Vaches Noires" Cliffs - collected during april 2018.
  10. Various gastropods

    From the album Vaches Noires spring 2018 and a bit of 2016

    Various gastropods from the callovian of "les Vaches Noires" Cliffs - collected during april 2018.
  11. Bourgetia sp - view 1

    From the album Vaches Noires spring 2018 and a bit of 2016

    Bourgetia sp : a gastropod from the oxfordian of "les Vaches Noires" Cliffs - collected during april 2018
  12. Euaspidoceras sp - 1

    From the album Vaches Noires spring 2018 and a bit of 2016

    Euaspidoceras sp : a callovian ammonite from "les Vaches Noires" Cliffs - collected during winter 2017
  13. Euaspidoceras sp - 2

    From the album Vaches Noires spring 2018 and a bit of 2016

    Euaspidoceras sp : a callovian ammonite from "les Vaches Noires" Cliffs - collected during april 2018
  14. various quenstedtoceras

    From the album Vaches Noires spring 2018 and a bit of 2016

    Various quenstedtoceras : callovian ammonites from "les Vaches Noires" Cliffs - collected during april 2018
  15. Hi all, Can anyone help me identify these belemnites from Speeton? They were found in the rare Kimmeridge Clay beach exposures, all in situ. The first is a stunner at 19cm long and has no distinguishing features. The second is about 12.5cm long and has a deep groove running from the tip to about halfway - is this cylindroteuthis? The third is smaller, at 8cm long, and you can just make out a similar groove (but shallower) down half of its length from the tip. Many thanks! Gillian
  16. What kind of clay is best?

    So I've been trying to get creative with fossil displays, and I've seen people use a kind of clay to display their fossils and ID cards. What kind of clay should I look for???
  17. 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.
  18. 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!
  19. 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 :))
  20. From the album Elcoincoin collection : 1 - Albian of Troyes

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

    Case with heteromorph ammonites from the albian clay of Troyes
  22. 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
  23. 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
  24. 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
  25. 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
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