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Found 135 results

  1. Annularia

    From the album Mazon creek assortment

  2. Annularia with stem

    From the album Mazon creek assortment

  3. Tully monster

    From the album Mazon creek assortment

  4. Concretion not sure

    Hi all again found this the other day It looks egg like but know time line for area is way off plus eggs would be rarer than hens teeth so saying that what do you think it is Concretion?
  5. Mazon Creek Foss Identification Help

    Once again, I am seeking assistance in identifying a Mazon Creek concretion fossil. Might be an easy one for someone here, but I'm just not finding it. Both halves are pictured below. Thanks!
  6. Scorpion Possible

    Hi all found this yesterday braidwood club have to clean up but looks like a scorpion what do you think?
  7. Help ID Please

    Hello all Again found this in braidwood club what do you think?
  8. Fish or plant?

    Hello all Again found this in pit 4 area Braidwood sportsmen club to be exact,lots of ferns on it do you think this could be fish? It's about only 5/8 of an inch.
  9. Mazon Creek quiz

    Ok all Who knows what to cover your Mazon creek fossils with to bring out that beautiful shine and detail? My grandfather told me this 40 years ago. It doesn't hurt Fossil and will act like glue to hold intact and will wash right off?
  10. Mazon ID

    Hi again all have question ,same rock as I think it's a fish post. think it might be plant , but not sure,what do you think? will blow up next picture.
  11. I Think It could be fish

    Hi all Found again in pit 4 area just south of anyhow, big chunk found going back to get other parts not expert but think it's a fish
  12. Mazon creek ID

    Hi all again found this again in strip pit,Wilmington area. Not sure if this is anything,could be just the way it fell,or breakage of it ,shaped like shell but think just fern,what do you think? Really nice,post some others to.
  13. Mazon Creek Plants

    Hi again no ID just wanted to post some Kool plant fossils this was found along hill side strip pit ,it's about 8"by6" one of smaller ones l found.
  14. Mazon Creek Fossil?

    Hi all found , South Wilmington area Not sure but think could be jellyfish? need experts to see what they think.
  15. Mazon creek gem

    Hi all haven't been on in for a bit even forgot password lol. Love to get your insight,on all I find. Found this in braidwood strip pit area,probably one of the best gem like ones I found.Think petrified wood but,when found thought in was a piece of steak.
  16. I thought I would share an exciting Mazon Creek fossil that I collected on March 1st of this year and just split open today. This is an extremely rare legless amphibian named Phlegethontia longissima from Pit 11. For a Mazon Creek fossil collector, this is about as good as it gets. Amphibians are extremely rare in the deposit and most collectors never find one. I have been collecting these fossils for over thirty years and can finally check it off my bucket list. It has been estimated that only one in five hundred thousand Mazon concretions will contain an amphibian. It needs a bit more cleaning and is fairly complete. The ribs, teeth and skin impressions are clear under magnification.
  17. Mazon Creek Identification Challenge

    Hello Fossil Forum friends. It has been quite a while since I posted on the forum and decided to share a find that I recently collected. This specimen was found March 1st 2017 and after three freeze thaw cycles split open last week. Unfortunately the other half shattered into several pieces. I already know what the fossil is and thought it would be a fun challenge for forum members to test out their Mazon Creek identification skills. When I first glanced at it, I thought it was a bit of plant material and almost disgarded it. I will give one hint and state that it is an animal and was collected at Pit 11 which preserves many unusual marine fossils. The concretion measures approximately 2" across. I look forward to hearing members opinions.
  18. Two Mazon Nodules

    Just popped open two concretions I collected years ago in Grundy Co, IL, via freeze/thaw method. Essex fauna. The long one appears to be some type of marine worm? The round one is the one I'm wondering about: the top half shows some detail of radiating lines. Maybe it will be recognizable to someone with more experience with IDing these. Thanks and enjoy!
  19. Mazon creek Fossil

    Got this fossil passing through Illinois at a flea market with a whole box of mazon creek fossils this is the only one I could not identify it looks like an insect any ideas thanks again Dean Sr.
  20. Hello again to everyone on the forum and can't wait to learn from you. I just joined this week and this will be my first main post. I have always been very interested in fossils and geology and finally went on an official fossil Hunting trip this past week. I went with my family the first time and we scouted out the area. I did a lot of research beforehand and read that Pit 11 was one of the most popular concretion hunting spots at Mazon, but that also means they are harder to find. After more research, I decided we should check out an area to the south called the Mazonia South Unit. I read that this area had been less collected because there is much thicker vegetation. The vegetation was very thick. We hiked for a couple miles into the Forested area and we came to the bottom of a large hill. Me and my brother scaled the cliff and saw a way down the other side. The bottom of the other side of the cliff ended right into a river. After we made it to the bottom, my father found the first fossil, a small leaf, in an open concretion. We then saw concretions everywhere around us and started collecting. We only stayed for about an hour that day because the mosquitoes were relentless. I got home and saw I had some fossils and got so excited, I went back out there by myself the very next day. I scaled the cliffs up and down and got as many concretions as I could. Not satisfied, I just came back from another trip out to Mazon yesterday. I'm still refining my technique, but I spent most of the time going up and down the cliff sides looking and picking for concretions. I had a geologic pick, and a bag as my main tools. The first couple times, I picked everything I saw. After more research, I was more picky yesterday and did a lot of cracking in the field. I am not done processing all my concretions but I will post what I have found so far. Please let me know if you can help identify any of them and if the pictures are good for your viewing. Any general tips for fossil hunting and anything is also welcome I have more than I can post in this one post, but will follow up post with rest of my current photos.
  21. Mazon/Braidwood Advice

    After reading the forums here, I spent about 10 ten hours, mostly walking around and looking for exposed spoil piles, at Mazon/Braidwood a few weeks ago and had relatively little success. While I am certainly not wishing for anyone to betray their own personal hotspot for nodules in the park, I do hope that I might be able to gather some general information that would help me on my next outing to the public use areas. I spent most of my time surface gathering on an exposed pile about a mile south of the Kankakee public boat launch on the Braidwood lake, and about half a mile north of 5000 N. Road (the road with the pull-off parking for fossil hunting, what I assume to be Pit 11. This pile was very moist, dark, and generally coal-ish. While there were many naturally open nodules in this area I only found about 10 unopened in a ten hour search. Is this the right area or should I look further to the south of 5000 N. Road? Are nodules in the area more commonly found in the coal-ish sediment or the more usual colored soil? Thanks for the help.
  22. Hello everyone, I will be visiting the Mazon Creek area next week, and I'm seeking some advice in the meantime. Our destination for the day will be the Mazonia-Braidwood Fish and Wildlife Area. I've never visited the area, so all of my planning is based on trip reports, topographic maps and satellite images. I'm aware of the caveats (ticks,vegetation, picked-over areas), but I feel as though it's probably something everyone in Illinois or anywhere else should do at least once. If anyone has any advice on how to make my trip/hunting more efficient and worthwhile, I would love to hear it. (I'll also be stopping at Kankakee River State Park later that day, if anyone has information on that park, it would also be very appreciated) Thanks, Matt
  23. I recently spent about 10 hours surface collecting in pit 11 on the south unit of the Mazon-braidwood state wildlife area and honestly didn't have much success. I'm wondering if anyone knows when Esconi plans to have their first outing to the private pile in Braceville?
  24. I've tentatively identified a number of Mazon pieces in my possession, and I was wondering if I could get some confirmations or corrections from those of you (all of you) who are more knowledgeable and experienced than I. The first (#1) based on length, fossilization curvature, and the pyritized mouth and throat slit, I believe to be Gilpichthys greenei.
  25. Mazon Creek ID Help Request

    I've purchased 'The Mazon Creek Fossil Fauna' by Jack Wittry, and have been fascinated, and nearly overwhelmed, by the wealth of information presented. With the great descriptions and photography, I've been able to identify quite a number of pieces in my collection, but it has been difficult for many of the specimens. I'm certain that this is the normal course of education that most of you have undergone over a period of years, and I'm sure that experience and familiarity will help. I'm requesting your help with identification on some of the more difficult pieces I've run into so far. The first one may simply be a seed pod or some other type of flora that wouldn't have been in the book, but on the chance it might be a coprolite, I'm asking for help: There are two 'pods' in the concretion. Each measures approximately 3/16" x 5/16". The photos are of the positive and negative of one of the pods. Second image in next post.