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Found 219 results

  1. Sculpture Venture

    In the next week I have some time off work and i've been thinking about having a go at making a clay sculpture. Still undecided what subject matter to use. Doren has given me some helpful advice: an obscure creature from the ancient past, or a transitional animal, both great suggestions, but i'm still open to more specific ideas. So, please post me some images of the weird and wonderful. My clay is ready to go on Monday, and I will post some pictures of what I end up making however it turns out, even if it looks like my dog has made it.
  2. trilobite in river?

    It is in the Changxing island of Dalian, a port city located in NE China, somewhere near Korea. The calcite/dolomites seems to have some scattered trilobites pieces. But the dolomite and clay layers stack up alternatively, which is not supposed to be marine face? BTW, the rocks are supposed to be of Early to Mid Cambrian period. I can not tell the speices of the trilobites. I do not know if they are heads or tails.
  3. Plesiosaur and pliosaur teeth

    From the album Marine reptiles and mammals

    Pliosaur teeth--liopleurodon ferox(?) & unidentified genera plesiosaur teeth--cryptoclidus sp & cryptoclidus sp (?) lower oxford clay callovian stage middle jurassic 160 mya peterborough, cambridge U.K. Hampton lakes & Bradley Fen.whittlesey
  4. Another strange find

    So I’m kinda a metal detecting guy... but I keep finding things that kinda stick out like a sore thumb that are (non metallic).. actually my son found this one flooded lake in northwestern Ontario Canada...at bottom of a eroded clay bank almost on the beach... looks kinda like a horseshoe crab..trying to get some better pics... with the naked eye you can make out a segmented tail (everything really stands out when it’s wet but not sure if that’s a good idea?) any ideas?
  5. Oyster Looking rock

    The person who owned my home before me left quite a rock collection around my yard. I seriously thought this was a cow patty when I first saw it. But upon closer examination it was just a weird, oyster shaped rock in a grey limestone like clay. It has shell casings around a few of the ridges and seems to have an oyster like shape. It also has small clear crystals that crust some of the ridges and crystalline matter mixed into the grey sludge clay its encased in. It weighs a lot, so I didn't think this was a fossil, but a friend who has more experience with fossils thinks its a fossil. I might upload some better pics later after I charge my camera.
  6. Non glossy consolidation

    Folks, I need an archival consolidant that doesn’t dry glossy. The problem is the plant material I want to protect from flacking is sorta clay/soft shale. Even 5% w/v Paraloid in acetone is giving a glossy appearance. Not too bad on the fossil but looks horrible on matrix and fossil. In fact to increase contrast I like it on the fossil. Coating just the fossil isn’t an option. @Ptychodus04 @RJB @jpc @Harry Pristis
  7. 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 :
  8. 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
  9. 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.
  10. 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.
  11. 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.
  12. 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
  13. 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
  14. 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.
  15. 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.
  16. 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.
  17. 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
  18. 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
  19. 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
  20. 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
  21. 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
  22. 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???
  23. 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.
  24. 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!
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