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Found 24 results

  1. I was recently near Decorah, which is in northern Iowa and near the border with Minnesota. The predominant bedrock there is the Galena Formation. It is chiefly limestone with some interbedded shale. I was there only one full day and had other things to do (other than look for fossils, that is, if you can believe it). I did visit one road-cut along highway 52. I am not geologically informed enough to know what member of the formation was exposed at the road cut, so the closest I can get to dating it is to say that it’s upper Ordovician. The road cut was not a place I’ll vis
  2. How much better does it get when you can have FUN and help others experience the JOY of FOSSIL HUNTING, especially the children! These hunts were both booked through Eagle Bluff Environmental Learning Center. And I have a BIG THANK YOU to @minnbuckeye because MIKE made both of these hunts very special. A while back Mike stopped and was so generous and gave me three geodes he had found - he knows I love anything that sparkles. :-) After he left, I thought how selfish of me to keep them for myself and decided that the youngest on the hunt would be able to break one. WOW! Seeing the smiles on t
  3. Ordovician SE MN - Masonic Park by the spring Galena Formation, likely Stewartville member but mixes with others Great find on an Eagle Bluff Environmental Learning Center hunt today! We had LOTS of great finds there today right after a hard rain. Story coming... :-) Okay trilo people, I think I have narrowed the species down to these three... Thoughts?
  4. tombk

    Ordovician Maclurites?

    Hi all, I'm on vacation about 8 miles east of Galena Illinois. I was going to wait until I got home to post a travel piece. I'm too excited to wait, though. I had reached out to a few rock/fossil clubs asking whether there are any known collecting sites around here, and nobody knew of any. There's a road-cut near where I'm staying, and I found what I think is a maclurites fossil! It's not in the best condition, but not bad for about 450-million years old! From what I can tell, the exposed rock around here is in the Galena Group (Trenton Limestone). One app says the stratigraphic unit is the Mi
  5. Bev

    Ordovician Plant???

    Ordovician Stewartville member of the Galena Formation Southeast Minnesota, USA Yes, I know, there are no plants in the Ordovician! But doesn't this LOOK like a plant??? I was out hunting yesterday in the drizzle and found this rock. It had a pretty pattern, I didn't think much of it as it was probably just how the rock split and maybe minerals or dendrite or some such, but I liked the pattern so I brought it home. Upon closer examination it took to looking like a fan shaped plant, the side view seems to show a stem. All probably my imagination! LOL :-D But it does
  6. April 10, 2021 1-4 pm Spring Valley, Minnesota Eagle Bluff Environmental Education Center organized hunt Led by Bev Sandlin, Bluffcountryfossils.net Whispering Winds, Spring Valley, MN Galena Formation Ordovician fossils What FUN!!! And what Great Finds! This hunt was organized by Eagle Bluff Environmental Education Center in Lanesboro, MN. I am doing hunts for them every 2nd Saturday of the month through this season and any private hunts they book as well. We had about 20 participants and it was a whirlwind hunt they all were enjoying as I left them still hunti
  7. Ordovician Galena Formation, probably Prosser member SE Minnesota I'm definitely slipping mentally, but I can't seem to figure out what this is! Help?
  8. Tetradium


    From the album: Trilobites of Minnesota Decorah/Platteville/Galena Formation

    Isotelus gigas thorax and pygidium from Galena Formation (thanks Kane for the positive id).
  9. Ordovician Stewartville member of the Galena Formation Southeast Minnesota Pygidium I'm thinking... Sorry, best pics I could get. Ceph or enrolled? Looks like trilo eyes staring at me, but what do you think? This is wet to see it better. The dry pics just didn't turn out at all. The "eyes" seem white to me and are raised. Thoughts??? Thanks for looking! :-D
  10. Bev

    Graptolite or New Species?

    SE Minnesota, USA Ordovician Galena Formation I'm sorry I do not have a better pic but it went home with the guy who found it. I just hosted a Father's Day hunt and this was found. I would say graptolites but NO SAWTOOTH EDGES! It did not, in the field, to me appear to be crinoid. I have honestly not seen anything like it before. Maybe it is just how it fossilized, but this was a wow to me! He was pretty thrilled! I would be too! :-D Thoughts anyone?
  11. Tidgy's Dad


    As with the adult this has more costae than any other brachiopod found in this formation. In this case 32. and 5 of them on the fold. The fold and sulcus are not yet very noticeable, as this species only develops a noticeable fold as it matures.
  12. Tidgy's Dad


    Brachiopods, perhaps rhynchonellids most of all, are notoriously hard to identify without their internal features exposed. However, if you know the formation and rough location and have faunal lists it can be possible. Rhynchonella ainsliei, for example, has 26-34 costae with 5-7 of these appearing on the fold. This specimen has 30 and 5 respectively and is the only species that has so many found in this formation. It also has the correct shape and size to support the match.
  13. Ordovician Galena Formation SE MN A couple of weeks ago I met with Dave and took him out on a fossil hunt and sold him some maps of various fossil sites. We did well that day, but yesterday he showed up at my door with some fossils he found and some of these are terrific! He definitely has an eye for trilos! :-D And these cephs are huge! I snapped some quick shots as he is having trouble posting. #1 #2 #3 #4 Some great cephs and gastropods! A slice of a big horn coral OR???
  14. @Raggedy Man and his "phantom" wife, Laura, came up to fossil hunt for her 31st Birthday and what a hunt it was! I was busy the first day they were here with my little Airbnb Whispering Winds checking people in and out but they had a wonderful day hunting and Paul found a Bumastis trilobite - they are trilobite hunters. He will have to post his pictures. :-) On Saturday I had invited new fossil friend, Todd, from the Twin Cities to hunt with us. He had come on a paid hunt earlier (he left with 2 5 gallon pails of fossils that very long fossil hunting day) and we had bonded and this was a
  15. Bev

    Unknown Ordovician Coral?

    Ordovician Galena Formation SE Minnesota I believe this to be a coral. ID please! Thank you for looking! :-) bottom
  16. Ordovician Galena Formation: Stewartville or Prosser member Fillmore County, MN For Scale Rock Rock for scale Trilos for comparison: Raggedy Man and Laura are over here hunting this weekend and I was showing them this interesting rock I found with lots of crinoid stems and parts that I picked up a couple of days ago. Any idea on what species of trilo this is? Thanks for looking!
  17. My 11 year old son found this fossil while on vacation this weekend. It was our first trip fossil hunting! Our new friend Beverly Sandlin suggested we post to the forum for identification. Any information would be very much appreciated! He's very excited to learn more!
  18. Ordovician Stewartville member of the Galena Formation Southeast Minnesota And the gal who found it! Would love some IDs on these. I could take a stab at it from this page of Robert Sloan's book, but would like other eyes on these. I believe both are complete, what do you think? Thanks for looking! :-D
  19. Bev

    Trilobite Rock

    Ordovician Galena Formation probably Prosser member SE Minnesota For scale note penny at upper left. Below Part 1 Part 2 Part 3 I guess will be in the reply. :-)
  20. Bev

    Never Saw This Before!

    Ordovician Galena Formation, probably Prosser member SE Minnesota Do not know what this is! Fascinating! To me it looks like a tentacled head with bumps facing the bottom of the picture, then a long skinny spine and then a bulbous tail. The rock I've never seen anything like this before in the field or in the books for the Ordovician. Of course, I could be visualizing it wrong. Anyone know what this critter is???
  21. We are having a highly unusual, but welcome, respite from winter here in Minnesota. Temps have been in the 40s and 50s for several days and the snow is slowly departing. Rain is even forecast for tomorrow, but snow is predicted to return next weekend, so a fossil hunt sounded like a wonderful pursuit for a Sunday afternoon. The breezes were light, even balmy for February, green grass blades are starting to poke through and a flight of geese could be seen in the blue skies heading north - a sure sign of an early spring. I headed to one of my favorite hunting spots to see if it was melted off.
  22. After spending a day roofing my garage I decided I needed a break and spent Sunday, July 29th collecting the Galena Formation of Southeast Minnesota. I woke up Sunday morning unreasonably sore and decided that breaking rock was not what I wanted to do. I picked up my father and we headed off to do some relaxing surface collecting at some road-cuts. The find of the day was a decent Dolichoharpes cephalon. I have only collected a small handfull of these from the Galena Formation in the 17 years I've been seriously collecting, so they are quite hard to come by. Since the Prosser member of th
  23. On Sunday, November 18th, I had two options; go to the wedding shower with my fiance, or go fossil collecting. While going to an estrogen fueled soiree may sound like a hoot, I decided the latter. My Father and I planned an impromptu trip down to Southeast Minnesota for some collecting in the Galena Formation. We decided to check out a quarry that I had not collected yet this year. I should mention that quarries are closed to collecting without permission, and some quarry operators are not forgiving if one doesn't get permission. They had blasted this summer and we were hoping to collect
  24. A couple years ago, my father picked up an Edrioaster sp. in the Galena Formation of Southeast Minnesota. What makes this specimen interesting is that it was preserved fully inflated and showing the holdfast and the outline of the structure it was attached to. We got the specimen back at MAPS this past year after having it prepped and I finally took some photos of it. I just hope I got the genus ID correct. Edrioaster sp. Galena Formation, Prosser Member Ordovician, Trentonian Southeast Minnesota Anotated Feel free to post photos of your Edrioasteroids!
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