Jump to content

Search the Community

Showing results for tags 'mazon creek'.

More search options

  • Search By Tags

    Type tags separated by commas.
    Tags should be keywords or key phrases. e.g. carcharodon, pliocene, cypresshead formation, florida.
  • Search By Author

Content Type


  • Fossil Discussion
    • General Fossil Discussion
    • Fossil Hunting Trips
    • Fossil ID
    • Is It Real? How to Recognize Fossil Fabrications
    • Partners in Paleontology - Member Contributions to Science
    • Questions & Answers
    • Fossil of the Month
    • Member Collections
    • A Trip to the Museum
    • Paleo Re-creations
    • Collecting Gear
    • Fossil Preparation
    • Member Fossil Trades Bulletin Board
    • Member-to-Member Fossil Sales
    • Fossil News
  • Gallery
  • Fossil Sites
    • Africa
    • Asia
    • Australia - New Zealand
    • Canada
    • Europe
    • Middle East
    • South America
    • United States
  • Fossil Media
    • Members Websites
    • Fossils On The Web
    • Fossil Photography
    • Fossil Literature
    • Documents


  • Anson's Blog
  • Mudding Around
  • Nicholas' Blog
  • dinosaur50's Blog
  • Traviscounty's Blog
  • Seldom's Blog
  • tracer's tidbits
  • Sacredsin's Blog
  • fossilfacetheprospector's Blog
  • jax world
  • echinoman's Blog
  • Ammonoidea
  • Traviscounty's Blog
  • brsr0131's Blog
  • brsr0131's Blog
  • Adventures with a Paddle
  • Caveat emptor
  • -------
  • Fig Rocks' Blog
  • placoderms
  • mosasaurs
  • ozzyrules244's Blog
  • Sir Knightia's Blog
  • Terry Dactyll's Blog
  • shakinchevy2008's Blog
  • MaHa's Blog
  • Stratio's Blog
  • Phoenixflood's Blog
  • Brett Breakin' Rocks' Blog
  • Seattleguy's Blog
  • jkfoam's Blog
  • Erwan's Blog
  • Erwan's Blog
  • Lindsey's Blog
  • marksfossils' Blog
  • ibanda89's Blog
  • Liberty's Blog
  • Liberty's Blog
  • Back of Beyond
  • St. Johns River Shark Teeth/Florida
  • Ameenah's Blog
  • gordon's Blog
  • West4me's Blog
  • West4me's Blog
  • Pennsylvania Perspectives
  • michigantim's Blog
  • michigantim's Blog
  • lauraharp's Blog
  • lauraharp's Blog
  • micropterus101's Blog
  • micropterus101's Blog
  • GPeach129's Blog
  • nicciann's Blog
  • Olenellus' Blog
  • nicciann's Blog
  • maybe a nest fossil?
  • Deep-Thinker's Blog
  • Deep-Thinker's Blog
  • bear-dog's Blog
  • javidal's Blog
  • Digging America
  • John Sun's Blog
  • John Sun's Blog
  • Ravsiden's Blog
  • Jurassic park
  • The Hunt for Fossils
  • The Fury's Grand Blog
  • julie's ??
  • Hunt'n 'odonts!
  • falcondob's Blog
  • Monkeyfuss' Blog
  • cyndy's Blog
  • pattyf's Blog
  • pattyf's Blog
  • chrisf's Blog
  • chrisf's Blog
  • nola's Blog
  • mercyrcfans88's Blog
  • Emily's PRI Adventure
  • trilobite guy's Blog
  • xenacanthus' Blog
  • barnes' Blog
  • myfossiltrips.blogspot.com
  • HeritageFossils' Blog
  • Fossilefinder's Blog
  • Fossilefinder's Blog
  • Emily's MotE Adventure
  • farfarawy's Blog
  • Microfossil Mania!
  • A Novice Geologist
  • Southern Comfort
  • Eli's Blog
  • andreas' Blog
  • Recent Collecting Trips
  • retired blog
  • Stocksdale's Blog
  • andreas' Blog test
  • fossilman7's Blog
  • Piranha Blog
  • xonenine's blog
  • xonenine's Blog
  • Fossil collecting and SAFETY
  • Detrius
  • pangeaman's Blog
  • pangeaman's Blog
  • pangeaman's Blog
  • Jocky's Blog
  • Jocky's Blog
  • Kehbe's Kwips
  • RomanK's Blog
  • Prehistoric Planet Trilogy
  • mikeymig's Blog
  • Western NY Explorer's Blog
  • Regg Cato's Blog
  • VisionXray23's Blog
  • Carcharodontosaurus' Blog
  • What is the largest dragonfly fossil? What are the top contenders?
  • Hihimanu Hale
  • Test Blog
  • jsnrice's blog
  • Lise MacFadden's Poetry Blog
  • BluffCountryFossils Adventure Blog
  • meadow's Blog
  • Makeing The Unlikley Happen
  • KansasFossilHunter's Blog
  • DarrenElliot's Blog
  • jesus' Blog
  • A Mesozoic Mosaic
  • Dinosaur comic
  • Zookeeperfossils
  • Cameronballislife31's Blog
  • My Blog
  • TomKoss' Blog
  • A guide to calcanea and astragali
  • Group Blog Test
  • Paleo Rantings of a Blockhead
  • Dead Dino is Art
  • The Amber Blog
  • TyrannosaurusRex's Facts
  • PaleoWilliam's Blog
  • The Paleo-Tourist
  • The Community Post
  • Lyndon D Agate Johnson's Blog
  • BRobinson7's Blog
  • Eastern NC Trip Reports
  • Toofuntahh's Blog
  • Pterodactyl's Blog
  • A Beginner's Foray into Fossiling
  • Micropaleontology blog
  • Pondering on Dinosaurs
  • Fossil Preparation Blog
  • On Dinosaurs and Media
  • cheney416's fossil story
  • jpc
  • Red-Headed Red-Neck Rock-Hound w/ My Trusty HellHound Cerberus
  • Red Headed
  • Paleo-Profiles
  • Walt's Blog
  • Between A Rock And A Hard Place
  • Rudist digging at "Point 25", St. Bartholomä, Styria, Austria (Campanian, Gosau-group)
  • Prognathodon saturator 101


  • Calendar


  • Annelids
  • Arthropods
    • Crustaceans
    • Insects
    • Trilobites
    • Other Arthropods
  • Brachiopods
  • Cnidarians (Corals, Jellyfish, Conulariids )
    • Corals
    • Jellyfish, Conulariids, etc.
  • Echinoderms
    • Crinoids & Blastoids
    • Echinoids
    • Other Echinoderms
    • Starfish and Brittlestars
  • Forams
  • Graptolites
  • Molluscs
    • Bivalves
    • Cephalopods (Ammonites, Belemnites, Nautiloids)
    • Gastropods
    • Other Molluscs
  • Sponges
  • Bryozoans
  • Other Invertebrates
  • Ichnofossils
  • Plants
  • Chordata
    • Amphibians & Reptiles
    • Birds
    • Dinosaurs
    • Fishes
    • Mammals
    • Sharks & Rays
    • Other Chordates
  • *Pseudofossils ( Inorganic objects , markings, or impressions that resemble fossils.)

Found 351 results

  1. Hello everyone, I have noticed that I have almost no fossils from the Carboniferous period and would really love to add some to my collection. I have decided to start out with the Mazon creek as it had many fascinating inhabitants. I am interested in pretty much everything from there and am not looking for anything spectacular. For what I have, there are Thalassina anomala mud lobsters from Australia, Devonian fossils from New York such as trilos and brachiopods, Jurassic Ostracods from CT, a few echinoids and probably other things too.
  2. Mazon Creek Fossil

    To those of you who are serious collectors, this is probably not thought of as an outstanding specimen, but as I'm primarily a mineral collector, I was thrilled to find this piece! I believe it's a section of Calamites, with what I consider some amazing crystallization of calcite and sphalerite.
  3. Mazon ID Help

    I am thinking that this is a Drevotella proteana, with, but not necessarily attached to, a Palaeolima retifera.
  4. Mazon ID Help

  5. Mazon Creek

    From a flat of specimens identified as from Pit 11. Three dimensional. Small leaf? Thanks! ~Paul
  6. Mazon Creek

    From a flat of specimens identified as from Pit 11. Mouth looks familiar as that of Achistrum, but no dessication cracks. Looking to confirm identification. Thanks! ~Paul
  7. Mazon Creek Unknown

    This is my first non-Essexella find so far. Or at least non-indistinguishable-blob find that is. That said, I have absolutely now idea what it is. It looks vaguely familiar but I can’t put my finger on it. I hope the pictures are decent enough, if not I can try again. I uploaded some with a contrast boost as some of the details are faint.
  8. Mazon Creek Plant Publications

    Hi, Does anyone know if there are any publications, papers, books on Mazon Creek flora / plants If you could point me in the right direction Thanks
  9. Unknown Mazon Creek

    Hi! I just recently found this piece for sale, with no identification. The bumpy texture made me think of Arthropleura, but could also be something like a Stigmaria root. Please let me know what you think!
  10. Golden coprolite two?

    In 2014 I saw a post which made me laugh from fossilized6s, it was a pyritized coprolite. In general I will not keep coprolites, however, this past year I am wondering if I have found some golden poo too. It feels very strange actually hoping it is not a worm or sea cucumber.
  11. Hi All, I took a trip to Mazon Creek recently with my family. It was the first time that we had visited the site, and we came away with a few concretions. One piece of a concretion that we found already split in the field seemed to have an elongated impression upon it. We're not quite what organism could have created the impression, or even if it is a true fossil at all. Perhaps it is part of a marine worm? We'd love to hear what you all think about it.
  12. Are any of these Mazon Creek Fossils?

    Hi everyone, After the thunderstorm yesterday, me and some friends drove up to the Ponderosa area of Mazon creek park to look for fossils. It was our first time, and we didn't know the specifics of what to look for, but we spent three hours walking the whole perimeter of the lake, braving the aggressive swarms of biting insects. Can anyone here tell me if any of the rocks we found are the right ones to possibly contain fossils? Attached is a picture of all the rocks, and an album with closeup pictures. https://photos.app.goo.gl/XoCZQJwgWU7dbcoS7 Thanks a lot!!!
  13. This morning I found a picture frame that I put together that had a couple pictures that I took and an article on Torino Hill. I believe that I got the article from The Wilmington Free Press around 1990. It is cool how they mention that Torino "was a thriving mining community", looking at it now it is hard to imagine that. I am also including a couple aerial pictures of how the Torino Hill looks now. You can still collect concretions at this location, but you need a boat to get over to it. A picture as I was on my way to Torino- On the Island-
  14. Tully Monster Coloring Page

    I drew this coloring sheet to give out at an upcoming children's program I will be doing at the public library my mom works at. I have done two previous programs over the years on fossils and dinosaurs, but this time I am going to be concentrating on the fossils of Illinois. Of course, this includes our bizarre state fossil, the Tully Monster! The sheet features a Tullimonstrum front and center chasing after an Elonichthys, with a pair of Essexella making their way across the background. It's not the most scientifically accurate drawing, but I hope it will be fun to color! Feel free to download and share- I uploaded both JPEG and PDF versions. (The PDF version also has some descriptive text on it) tully monster coloring page smaller.pdf
  15. I have a few nodules that haven't split from my Mazon Creek trip in early March. They have been through I'd guess 20-30 freeze-thaw cycles by now. I have been getting impatient, so I decided to whack them with a hammer and chisel. I've smacked each of them like a dozen times, but they still won't split. It's not obvious where the bedding plane (?) might lie, so I've struck them from all sides to no avail. Is this an indication that there is nothing inside, and therefore no bedding plane?
  16. This is a statement that I often make to myself throughout the Summer and the vast majority of the time I decide to stay home. This was not the case in decades past and it is not because I am older and slowing down, which is definitely not the case, the main culprit is vegetation. Today I had the idea of going to the Pit and taking pictures of the area so new collectors can see areas that they collect at and also see the conditions that they will face in the summertime. I usually go to the Pit at the beginning of the fossil collecting season (March 1st), this is your best chance to find concretions since there is no foliage. Now I also am not saying that there are no fossils to be found in the summertime, I found some today and I was not really looking, it is just that much more difficult and when you add the ticks and mosquito's into the mix, it makes for a real fun day.- NOT. So this morning I left at about 8:00 am for the 45 mile drive to Pit 11, I brought a small backpack and a hammer along with my mountain bike, I was really glad that I brought it. I road up and down hills, road through mud and water and across flat lands with 3+ foot vegetation- after 4 hours I decided to leave. This Post is PICTURE HEAVY and will take SEVERAL POSTS to complete, so bear with me- I will include screen shots of aerial views as well as a couple pictures from about 20 years ago to show how things have changed. This post should also help the new comer get acquainted with the area the so they gain hopefully have better success when collecting. If others have pictures or other things that they will like to add, please feel free to do that. The first area that I stopped is an place that we use to call "Inside the cooling lakes". Years ago before they made this all access entrance, we had to enter on the other side of the cooling lakes at a location called "Fossil Gate". This was an area that was only opened on Saturdays and Sundays and it was manned by a guard from the Nuclear Power Plant. Cars would line up and when the guard opened the gate, you had to show your collecting pass and he would double check it against cards that they had with our signature. Once everything was cleared, you were free to drive in and find your area to collect. There were times when only me and my son were out collecting and the guard would wait in the shack until 4 pm when we left, it was pretty sweet. Mazonia / Braidwood State Fish and Wildlife Area This is an aerial shot of where you turn in for the Mazonia area that allows access into the cooling lakes. The island that you see below is Turino Hill and it is about the only place that is still free of vegetation on the sides of the hill. I collected this area a few times with a friend that had a boat, there are fossils to be found there. The other shot shows the parking lot where you will leave your car. After you park and you are getting ready to go collect, if you are facing the lake, you want to go down the road to your right. I have never found anything on the road to the left, except fishermen. Here is an aerial shot that shows the other islands that you can collect on if you have a boat. Here are a pictures of Turino Hill- On top of the hill there is a flag. Here is a picture of Turino Hill and the Nuclear Reactors to the right. A close up- Here is the road to the right, you can go past the chain blocking the path, it is there so no vehicles drive down the road. Again, before they made this entrance we had access to that road, only from farther down it- it saved a lot of walking. You can check for concretions along the shore, but at this time of the year it gets really rough to get to the shore as you continue down the road, as shown below. I crossed the chain and continued down the road on my bike for about 15 minutes until I arrived at an area that I use to collect at in the Summertime- it has really changed. Below are some older pictures of how it use to look. As you can see from the pictures above, there were plenty of places to collect concretions that were weathering out of the sides of the spoil piles. Here is an aerial shot of where this collecting area is. I will show pictures of how this area looks now in the NEXT POST.
  17. Looking to trade for some Mazon creek fossils. Nothing too fancy, but I’d be happy to look at anything you have (besides Essexella). I have some soft bodied animals as well as trilobites from Chengjiang and other lower Cambrian formations in China, as well as a bunch of unprepped material (corals, brachiopods, trilobites) from Paulding, OH and Penn Dixie, NY. PM me if you’re interested and I can send some pictures. Thanks.
  18. Mazon Creek Spots

    So being a newbie in hunting fossil’s I decided to go somewhere near. I went to the creek and collected rocks which I thought were nodules, to find out they aren’t. Is there any advice on where to find the fossils and what they look like.
  19. New Mazon Creek Collection

    Hello everyone! I've been inspired by so many good Mazon Creek topics in this forum, I thought I would start my own. I'll post my own finds, which so far don't include anything as exotic as a Tully Monster, but maybe I'll get lucky on page 134 or so... I have to credit my kids with getting me interested in fossil collecting. I was always interested in rocks and fossils but when my 10 year old son had his dinosaur phase it really sparked my interest again. I wondered if an ordinary person like me could go out and find fossils? So I Googled fossil collecting and found out that not only could I search on my own, one of the world's best sites for amateurs was just 3 hours away! The date I discovered Mazon Creek existed was 9/10/2017. I know that date because earlier in the day was the last ESCONI trip to the Braceville spoil pile for the year - I just missed it! So in May 2018 I finally went on that trip and was hooked. Since then I've gone to Braceville several times, the I&M Canal trip once, and a handful of trips on my own into Pit 11. I want to thank too many people to list for helping me learn about this new hobby. Everyone I've met on the field trips has been so friendly and helpful. And if you have posted something about Mazon Creek on this forum, I've read it. Special thanks to Nimravis for his Sometimes You Have To Whack It thread, which he started the day after my first trip to Mazon Creek - it has taught me so much and I'm so impressed at what a genuinely nice person he is. And Andrew Bach's book from his American Fossil Hunt site is wonderful, so so helpful. With that, onto the fossils (and lots of questions from me). I thought to start I would show some of my jellyfish, all Essexella asherae, I believe. I find it interesting that they are all so different, although they tend to fall into various "types" - some have a distinct "head", others are just faint outlines, some are just cylindrical shapes. #1-3 below are all from Pit 11 - the first two have a distinct head and the other is more cylindrical. For anyone who hasn't heard of Mazon Creek, these fossils are found in siderite concretions from the mid-Pennsylvanian epoch of the Carboniferous period, from roughly 305-310 mya. Cheers! Chris
  20. Mazon Creek Fossils - ID Help

    Hi everyone - I need some help identifying a few of the Mazon Creek fossils my father and I found over the last two years. I will first apologize for the blurriness of the images, I must have had something on my lens. But, I can take more if necessary (just not today!). Here's the link to the images: https://imgur.com/a/yRaND6K I have three plants, something that's just parallel lines, and something that looks like a shrimp. Any help would be appreciated!
  21. Note that this was not found inside of a nodule.
  22. This morning I left the house early to drive out to the Braceville Shaft Mine in Braceville, Illinois to drop off 6 buckets of open Mazon Creek concretions so the 50 or so members of ESCONI could take anything that caught their eye. Today is the first trip to the Shaft Mine this year for ESCONI and the members are going to have great weather. Unfortunately for me, I only did a drop and run since I have to work today. Other FF members like Rich @stats also brought buckets to dump for the participants to go through. Rich along with two other ESCONI members run the trips out to Braceville. Besides Mazon Creek fossils, I also brought Mississippian hash plates from Anna and Vienna, Illinois, Pennsylvanian hash plates from Oglesby, Illinois, Ordovician hash plates from Lawrenceburg and St. Leon, Indiana. In addition to the hash plates, I brought Pliocene shells and coral from Florida, shark teeth pans echinoids from Morocco, brachiopods and crinoid stems from St. Leon, dugong bones from Sarasota, Florida and a real pretty Turritella gastropod piece from Wyoming. I place the hash plates on the dirt path to the collecting area so people can see them. The kids and adults get excited when they notice the pieces and that they contain fossils. Here are some of the participants listening to one of the leaders for instructions on safety and what to look for. The walk down the dirt path can be and was muddy due to recent rains, but it should make a great day for collecting. It was difficult to roll 5 gallons buckets down the path with a mini dolly, I am glad others had a wagon to help out. Here are some general pics that I took before I left for the day. If you ever have a chance to go on one of these trips, you will not be disappointed.
  23. 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!