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Found 29 results

  1. Ironstone nodule whatsit?

    Im guessing this is simply mineralogical, but I thought I'd put it up here to see what you guys think. Its an ironstone concretion from the lower Pennsylvanian. Its shot through with calcite, but its the black bits that are making me think it may actually be something. A close up of the interesting area.
  2. Osteoderm or Ironstone?

    This is a chunk I found in the Horseshoe Canyon Formation, specifically in the Horseshoe Canyon area. It’s shape and ridges look almost identical to a small Ankylosaur/Nodosaur osteoderm, but the texture suggests a random chunk of ironstone. I’m leaning towards ironstone, but I think there’s a chance it could be a really smooth osteoderm. Would any of you guys be able to tell for sure? Thanks!
  3. help with cretaceous unknown

    two unknowns that i would like help with from early cretaceous arundel formation in maryland one large one small. The large piece is ironstone that looks like it formed around a series of reeds or stems. The photo shows it sitting on a 8 by 10 inch notepad. It itself is approximately 12 by 4 inches. The smaller piece is a thin section of ironstone with a oval section of stone/tooth/bone 1.5 cm by 1 cm with a dense cortex and a web like internal structure . ID, Ideas and suggestions are welcome
  4. Ironstone fossil?

    Is this even a fossil? Ichnofossil? I'm stumped by this weird pattern. I found this ironstone in my parents' gravel driveway. Gravels were recently obtained from the local sand pit company here in Salina, KS., so I'm pretty sure this stone was transported in the river from Kiowa or Dakota formation (Albian) before being deposited.
  5. Fossil echinoid?

    I found this interesting fossil the other day, and have struggled to find out what it is. It's from the Jurassic of Northamptonshire. Scale is centimetres. It's partially broken, so may have been completely spherical? Many thanks. Sorry the pictures are a little dark.
  6. Ammonites and gastropods.

    Hello, sorry to be a pain with all these IDs. I thought itd be easier if I just put all of them in one post. All were found in Northamptonshire, UK. Which is mostly Jurassic in age. Sorry there's no scale, I couldn't find my ruler anywhere. I'll have to upload more images below this. Its been quite some time since I've found ammonites. The land had just been rotavated, and aside from the ammonites, I found some Bivalves, and two golf balls buried. Thanks. These are the first two ammonites, I tried to ID them, but they are incomplete, so it was a difficulty, the closest I think it looks like is Harpoceras. Each are about two centimetres (about 0.8 inches). I saw a neighbour had a very similar rock with two larger ammonites on them that was being used to hold a fence down.
  7. Gressyla Bivalve.

  8. Chlamys.

  9. Bivalves on ironstone.

    From the album Fossils found with my bantams. Northamptonshire.

    The bivalve at the top was complete, unfortunately though, I accidentally broke it.
  10. Does anybody know what this could be?

    Hello, I noticed this 'thing' embedded in rock, does anybody know what it could be? Found in Northamptonshire, UK. Thanks. Ahh, I just broke it accidentally when moving it. Here's a photo of the inside of it:
  11. Hello, I found these, I'm guessing bivalves, and was just wondering if anybody could tell me a little about them? Sorry there's no scale, the larger one is about 2cm, and the smaller about half a centimetre. I found them in Northamptonshire, UK. Thanks.
  12. This is a very strange rock.

    Hello, I found this very strange rock. It has what looks like a fossil impression? And this strange hole that has scale-like structures in it. Is anybody able to tell me anything about this? Sorry there's no scale, I couldn't find a ruler. It's about 10cm long. I found it in Northamptonshire, UK. Thanks.
  13. Creek find

    Any idea what this is? Arundel Formation, Maryland, Lower Cretaceous.
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