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  1. A few days ago I found a nice internal & external mold of a rare Arctinurus sp. This is something I've been looking for over 5 years. I was beginning to give up hope having never even found a pygidium in these rocks. Anyway, I decided it would be good to make some internal/external latex casts and molds and show progress here since I haven't seen much on this topic. I am doing this to observe any differences in the internal/external shells since with this type of preservation the skeletal shells have been dissolved during dolomitic diagenesis. The outer shells could possibly exhibit diffe
  2. I found this piece while looking through a kilo of Amber and it's a bit different to the usual - there is something distinctly fibrous inside. Usually its the internal patterns of the Amber but this isn't. Unfortunately, its super hard to photograph. I think its probably something like mold or pollen, although I can't see any distinct seed pods etc - going to clean it up a little more tomorrow. I'd appreciate any input. Thanks, John
  3. Excited fossil finder

    Is this considered a bivalve fossil?

    Worked out of a very larger piece of material. The same that surrounds it's bottom half. Excavated from backfill dirt used in building a farmhouse approx 1800 in Bleckley co. Ga. U.S.A. The actual mold is 100% some type crystallized formation or fossil. Curious on what it actually is and how old it is. Thank you for any help!
  4. Mostly small fossils (think less than 20mm, many 2 to 3 mm). Maybe a pound or two. Brands on Amazon, other sources? The molds would be used to photograph for fine internal and external detail from casts. I am clueless when it comes to this.
  5. Which do you prefer to Mold or Cast - Why? Secondary question is have you ever used a vice to break shale or sandstone? I started do this and seem to get good results.
  6. dorky

    need help identifying this

    I went camping today. ok, not really camping. just picnicking at a campsite in the woods. we didn't stay over night because it is far too cold. so I found this rock with these cool indentions and want to know what it is. at first I thought it was by a tool but it's not. thanks, dorky
  7. So, from the same road-cut, same layer as the object I just posted. Figure 1 is the "dorsal" surface, Figure 2 is the narrowed end through matrix. This one is better preserved to the point I can see circumferential "channels" in the margin (white arrows) and two lateral edges or "alae"? (A and B ) (Figure 3). Question-do you think it would be of any benefit to lift off the layer depicted? (Blue arrow in Figure 4). How would/could I even clean away all the other matrix? What are the "channels"?, So many questions!!....Cool eh? Thanks again and my apologies for hogging the forum! Bone
  8. Bonehunter

    Unknown "mold" Pteronites?

    During my "trek" the past couple days I cam across this very large "mold" and the closest I can i.d. is Pteronites sp?. It is from this rock outcropping in Kansas City (Figure 1 the solid "blue-ish" stone band in the middle of the picture) Is this reasonable?. It appears to have an "edge" to it? and is very large-I would guess the whole thing would be close to a foot long? Pretty cool-almost took my breath away when found from the sheer size. Thanks for any thoughts! Bone.
  9. fordsmtack

    Fossil? imprint /mold type not sure

    It has it all around it an on the ends this one was mostly covered. It might be 2” long an half inch tall on ends an almost a inch tall at tallest point for size. Some shell it looks. I found it in my aunts flowerbeds she had bought rock in 1969 to cover 7 beds. So when I weeded them I'd dig out interesting ones. She's had the same rocks since then. She'd have the rocks cleaned an put back . Kodak, TN. I thought it was the most interesting one. Thought to share. Thank you.
  10. Righteous

    What is this called?

    I know it’s a internal cast of something but I can’t remember what.
  11. Hello everyone! A friend of mine was just given a group of fossils from a relative and has very little/no info on them. Through searching through this forum, we were able to I.D. most of the pieces, but this one we were unable to recognize and were hoping someone could help. There is no locality information associated with it unfortunately. Thank you everyone for your time/help, I really appreciate it!
  12. Ruger9a

    Display cases

    Hello all. I am interested if anyone else is having problems with the new, snap close, mini-display cases. I am also wondering if the residue also damages the fossils. I've removed all of my small fossils from these cases until I hear more from the forum.
  13. I_gotta_rock

    Strange Preservation

    Here's a strange one. I found plentiful piles of what I thought were casts and internal molds in the iron-rich St. Mary's clay of Virginia last year. Loose clam fossils riddled blocks of talus. I was able to wiggle some out of their ancient resting places without s much as scratching the matrix. Generally that's because the shell disintegrated, leaving a void between the mold and the cast. If you look closely, however, what looks here like an internal mold isn't. The sculpture on the surface is clearly the outside of the shell. If it were the inside, you would see round protrusions where the
  14. Abed H.

    Egg Mold from Jordan

    hello, I found this egg mold close to my house, there were an excavation, i found it in the dirt they bulldozed away. (it wasn't broken when i first found it, it fell by mistake). from the other side it's just a normal orange-ish sedimentary stone(i don't have enough media MBs left). And, I see these orange lines in the bottom of the stone too often on other stones i want to know what they are. thank you.
  15. daves64

    Fossil tooth mold?

    Dunno if this is wishful thinking, or a real tooth mold, but here it is. Longest side (right) of the tooth is 2.25cm long. The whole thing is 6cm x 4cm with the odd dome to the left being 2cm thick. I have pics of other angles and the backside as well. Just saw it laying partially buried in the ground in an empty field in Central Washington State this morning.
  16. These are all in the same stone. Wondering if it's 3 different preservation types of the same species. Found in Sw fl, in the sand. Trying to learn to recognize familiar players in their various forms and stages of erosion. Couldn't get the tape measure next to two of them, but they're both 2.5 inches long on the nose. The one that looks like a unicorn horn(w/ tape measure) was what caught my eye, rimmed with grass it really stood out! Its shimmery and beautiful. Is it ok to chip it out? Far from its margins, of course. 3rd pic following...
  17. Malone

    Snail?

    I found this cast? Mold? Unsure of the correct terminology. I looked at the usgs website and they said snails were unlisted. I wondered if anyone had any helpful information they would share.
  18. Malone

    Exoskeleton

    Any ideas on names?
  19. kerrimarie805

    Tiny bubbles

    I found these in the creek back in September, this is the only pic I took (just now happened upon it in my files) and I can't find them to retake pics. The largest rock, the black one in the right of the frame, is no bigger than 2" at it's widest measurement, if that helps. I'm just really curious about what would make these little bubble-like formations printed on a rock like this. Bubbles?
  20. Rockwood

    Tiny calyx ?

    I found this the other day, in the cab of my pickup, while looking for ski wax. I often pick things like this out of the gravel I'm shoveling during the fall. The bulk of this material is Devonian marine rock. Bits of plant do show up now and then.
  21. kerrimarie805

    One more before my phone dies!

    Just an ID, please, there's a lot going on in this piece.
  22. kerrimarie805

    I think I see a crinoid, but what else?

    I'm getting braver and will venture that there is at least one crinoid columnal mold preserved in this formation. I'm fairly certain, however, that the other two most prominent molds are not of a crinoid. How am I doing?
  23. Rockwood

    Devonian shell

    Another shoreline glacial find. Most likely lower Devonian marine delta related. The first shot shows part with scale, and inverted counterpart to the left. The last shot is of the under side of the fractured section in the photo before it.
  24. Ifoundthiswhatisit

    Is this a trilobite mold?

    Howdy. Found this in Central NJ. Is this a real fossil? Anyone know the type? Thanks
  25. I_gotta_rock

    Mussle Shell Steinkern

    This is a particularly fragile type of shell, made of many fine layers, and is prone to disintegrate as these did. This rare steinkern was found on a block of matrix submerged in the Chesapeake Bay. Dimensions are for the best-exposed steinkern on the block. The entire block is 14 cm wide x 10 cm high x 5 cm deep.
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