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Found 531 results

  1. A week ago today, I took the day off work to hit one of my favorite sites, a roadcut above the Illinois River in Oglesby, Illinois. This cut exposes the Pennsylvanian LaSalle Limestone member of the Bond Formation and produces abundant brachiopods as well as occasional other fauna including gastropods, cephalopods, coral, trilobites, and shark teeth. The weather was perfect, sunny but not too warm, when I pulled up. The cut is a somewhat unstable slope of cobbles and boulders of varying size, almost all with at least some fossils in them. To get up to the slope, you have to hop across a small ditch with running water. I have a good sampling of the common brachiopods from here, so I am looking for unusual fossils when I go now. I was very happy to quickly find a piece of trilobite as I started to search the rocks at the base of the hill. (I will put pics of everything I brought home in a response post) One interesting find that I was not able to bring home was this Linoproductus brachiopod with some shell preserved and a really pretty dendritic pattern on it- it was very delicate and firmly embedded in the middle of an ~80 lb boulder. I was able to stay for 4 hours, and I felt like I gave most of the site at least a quick look. I am very happy with what I found- I was able to check off many of the rarer things I was looking for, including shark teeth, a trilobite, cephalopod material, and a brachiopod with spines attached, as well as some nice crystallized brachiopods. I will post all of my finds below.
  2. Ricky’s Mazon Creek thread

    Hey everybody! Welcome to my Mazon Creek thread, where I’ll be posting pictures of various Mazon Creek finds! I’ve been hunting there for upwards of 10 years, so I have piles of uncracked nodules just waiting to be opened. So as they open, they’ll find their way here! Feel free to jump in and add your own and keep this thread going! And I’m sure there are many that have gone unidentified, so I’ll probably need some help from the experts!
  3. Mooreoceras sp.? or something else?

    I’ve been air scribing this piece out and I figured it was a Mooreoceras. However, the ridge going up the front is something I haven’t seen on this species. Is it just squashed a bit? It’s a pointed oval in shape. The length is nearly 3 inches.
  4. I have recently obtained this Pennsylvanian Fossil Fern - Schuylkill County. Leaves on both sides of the plate. I have read that some plants on slate can peel. Is that something that tends to happen with this material? If so, what would I use to prevent this from happening? Thanks
  5. stratigraphic framework of the Glenshaw

    link Martino, R. L., 2004, Sequence stratigraphy of the Glenshaw Formation(middle– late Pennsylvanian) in the central Appalachian basin, in :J. C. Pashin and R. A. Gastaldo, eds., Sequence stratigraphy,paleoclimate, and tectonics of coal-bearing strata: AAPG Studies in Geology 51, p. 1–28. size: about 6 Mb the emphasis is on sequence stratigraphy and (correlation of)paleosols: the need for a background of knowledge of these subjects lies in the gray area between "absolutely necessary" and "comes in handy"
  6. Arizona sponge

    I found part of a sponge from the Pennsylvanian Naco Formation. The sponge is 5 cm in maximum width. The needle like structures average about 0.2 mm in diameter. Are the needle like structures part of a sponge body or part of the roots? Species? A cross section shows the needles radiate from the center. Photos: 1 top 2 bottom 3 cross section 4 detail
  7. Biological or geological?

    Found this interesting piece while clearing an erosion trench on my property. The texture on it is interesting but am not sure what I am seeing. The area is Pennsylvanian and located in southeast Oklahoma near Lake Wister. Any ideas?
  8. Brachiopod, but which one?

    By far the most detailed Brachiopod I’ve found to date. The top impression, which isn’t shown, appeared to have two larger bands running down the center. The small piece in attachment 3 was somewhat of a steinkern or impression below it. Scale line is 1cm. Photos taken with a DSL through a microscope. This came from eroded Limestone.
  9. Brachiopod?

    This one showed up after a rock split. The steinkern was really shiny and smooth. Usually the shell is hard to save, but I was able to when air chiseling away at this one. There are noticeable grooves on one side.
  10. Lost and Found

    As I was cataloging specimens collected at Lake Jacksboro I came across this sweet little fossil that I found there last February. The site is Pennsylvanian but this beautiful little oyster is NOT. And luckily I am experienced enough to recognize it was out of place. But not all collectors are... Please, please, please be careful and try not to drop stuff out of your pockets, bags or bins from previous collecting sites. Oh, and if anyone recognizes or remembers this little gem let me know. I’ll pop it in the mail to you. PS it is about 17mm wide
  11. I am going to start adding some images of my favorite finds which I call Collection Pieces. Identifications range from maybe, probably to most likely. I've only started to seriously collect over the past year. I've spent a great deal of time studying and learning Geology, as a hobby. I am located in Western Pennsylvania. At first, a map of the area. Anything in bright yellow is the Glenshaw Formation. The Ames Limestone layer exists between the Glenshaw and the Casselman Formations, which is the Orange color on the map. I have yet to explore the Ames Limestone, so I've only found fossils that exist in the marine zones below the Ames. Second and Third, are Metacoceras. The Fourth photo is of another Metacoceras. The id is slightly less likely as I can only see a few of the rounded spines. But I'm pretty sure it is one. Coming up next is a Mooreoceras that I found just this past weekend. I maintain everything on a website, that is listed in my profile. Thank you! Clint
  12. Pennsylvanian Clam?

    Found this one in the eroded limestone. It came out in two pieces. I believe it to be a clam. You can see it dimensionaly through the top. I'm still going to clean it up further.
  13. The Bad Bush

    Here is a 300lb slab of rock I chisled out of my back yard that has a bush on it from the carboniferous this is in Lincoln County WV, Iron pyrite and quarts sandstone medium sizes grains matrix
  14. Metacoceras?

    Found this in what I call limestone locally, but it is more of a sandstone/shale mix. Very hard, black and cement like. Squares are 1 inch. I air scribed it out of the rock, where 50% was showing. My layer specifically is Woods Run Marine Zone, a hundred or so feet below Ames Limestone. It is the Glenshaw Formation. I am in Western PA. Also, this is my first forum post. I have several other types to post, but I figured I would start with this.
  15. Geological

    Found this piece while digging into the hillside behind the house near lake Wister in Southeast Oklahoma. The area is primarily Pennsylvanian and I have found some beautiful specimens on the land. There are a lot of limestone and sandstone ledges and outcroppings all over the property. I do t see any tooling marks on the edges so believe the shape is natural but not sure what the texturing is. Any help would be appreciated.
  16. Hi! Previous weekend me and my friend (paleozoic echinoderms researcher) spent in the quarry near Kasimov (Ryazan region, Russia) where upper carboniferous (pennsylvanian) deposits are exposed. This was an opening of the new fossil hunting season. The main target were echinoderms and especially crinoids. The weather was not very comfortable (+6 C and some rain) but perfect for echinoderm hunting. They become contrast and much more visible when wet. Here is some pictures.
  17. Plant fossils from Texas

    Found these plant fossils along with calamities. Need help in identifying. Found in north Texas in the Mingus Formation, Pennsylvanian, along a river bed. Thanks in advance for your assistance.
  18. Wister 3

    Found in Oklahoma near lake Wister. The area is predominately Pennsylvanian. Geological?
  19. Wister 2

    This was found when clearing rocks on my property in Wister, Ok. The area is predominately Pennsylvanian. Any help identifying would be appreciated.
  20. Lake Wister Area

    Found this digging in my yard near Lake Wister Ok. The region is primarily Pennsylvanian. Not sure if this is geological or something else. Whatever it is it’s pretty cool.
  21. Please Help

    Hello, I recently collected these fossils in the Minerals Wells area in North Texas, and I am not having any luck identifying the fossils. I know that I found the fossils in Pennsylvanian age sediment, and that’s about it. I really appreciate everyone who takes the time to help me.
  22. Fossil from kansas

    Not sure what these are. Maybe some sort of Bryozoa stem? I have hunted for years here in kansas and never come across this it's little round black balls in rows
  23. Calamites?

    I think the first picture is collapsed Calamites and the second 2 are part of the offshoot of a calamites. Not sure about the spelling but know itwas a type of cat tail. These were found in Southeast Oklahoma near Wister Lake. The area is Pennsylvanian.
  24. Janassa tooth discoloration

    Hey guys! I shared with you a few months ago my janassa toothplate, but the tooth has been showing some signs of progressive discoloration. It is slowly starting to grey in some areas, but’s never been exposed to vinegar or any real form of fossil prep. It is not moved around either so it’s not getting dinged up. Is this cause for alarm? I know only parts of the fossil are changing now, but I just want to ensure that the fossil isn’t going to be damaged by this in the future. Thank you.
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