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Found 142 results

  1. Some maritime slab?

    I found this sandstone slab on our property in south west Colorado, near Placerville, and was struck by the spider like creature especially. There also seems to be a mollusk nearby this creature. But its legs would have been so fragile, hard to imagine how it could be a fossil. But it doesn't seem like just a random shape to me. Any thoughts? I had to reduce the pictures quite a bit to fit size requirements here.
  2. After practically years of scouting properties in my area, I’ve finally found a decently productive site. To start, will just be some neat info about the site.
  3. My most recent Pierre shale find

    Here’s one a friend and I have been trying to settle for a little while. One end of the argument is that this is an unusual rock carried off the mountains by glaciers. the other end is that this is a heavily eroded bivalve.
  4. Hello everyone, I've had a lifelong passion for fossils but I'm a relative newbie to collecting, having only done it for the last 3 years. Most of my previous fossil-collecting trips were in NC, where you find sharks teeth and shells by sifting through creeks or looking through mine deposits. I know very little about how people do it out west, which has turned out to be a big problem. On a recent vacation to Colorado, I looked around Florissant Fossil Beds and also ordered a shipment of fossils from the quarry. The shipments arrived about a week ago, and there's some pretty interesting imprints on the surface some of the rocks, namely possible Sequoia and Cedrelospermum, as well as another rounded leaf. I got an X-Acto 1 knife and started splitting yesterday. The problem is, even though I'm trying to follow the instructions of the sheet sent with the fossils, I haven't found many fossils, and worse yet I've accidentally lopped off the tops of the sequoia and Cedrelospermum leaves (it's nothing a little superglue can't fix, but still). The remaining parts of the leaves are also in a very precarious position: they are on very thin layers and I can't continue splitting the shale without possibly causing damage to them. I'll share pictures later. People who've successfully found fossils at Florissant, what are your secrets to finding things and not causing damage to fossils that are in the same rock that you're splitting?
  5. Douglas Pass Colorado

    Fossils found at Douglas Pass, Colorado this weekend. Seed?, Unidentified leaves. Shells. (Elimia tenera and unidentified clam). Plant fossils were found near the Radar Dome. The shells were found at a much lower level.
  6. I've bought fossils, and I've found them myself! Here are some of my greatest finds in my collection!
  7. Coral I found.

    I found some coral fossils on the Million Dollar Highway. I found some other cool fossils, but I couldn't pull them out of the rock...
  8. I’m not familiar with fossils at all so I need help identifying the specimen in the attached pictures. I found this mineral specimen, or at least I thought it was just a large crystal rock, in 2012 at my stepdads house in Placerville, Colorado(San Juan Mountains, down valley from Telluride). I was moving the rock, accidentally dropped it and several pieces broke off. That’s when I wondered if it was a fossil due to the presence of what looks like dried blood, venous cavities, connective tissue, bone, and skin. It is as if it was frozen instantly and turned into stone and crystal, Medusa reminiscent. The San Juan volcanic field is said to be the largest eruption in the world and the proximity of where I found it could explain the strange preservation (if it is in fact a fossil).
  9. High Desert Fossil Run 2019

    Well, I'm headed up and ready to go. Been planning this trip for five months! obviously nothing to report yet, but I'm hoping a little pre-game Q and A with you guys might help me raise the safety factor. I'm traveling solo and I have never been to Millard county. No worries though, as desert camping and travel goes, this is an easy one for me. Three weeks in the Atacama on foot was far riskier! Death Valley, the Mojave, and Baja aren't too tough. Anyway: I've been scouting the works of Smith, Wilson, and about twenty other geologists and paleontologists to try my hand at places like Cowboy Pass, Camp Canyon, the red coral of the Foote range and Marjum pass in addition to the "tourist" sites like Fossil mountain in The Barn, reliable U-Dig, Fossil Butte and the fish quarries and my childhood dream, Dinosaur National Monument. ( I blame you all for everything but UDig and Dinosaur....first heard of those other spots on here or on members sites) Right now, I'm worried about road conditions in Millard county. Very hard to find recent reports and it looks like the weather was wet and floody. I plan to BLM camp for the entire trip of only for the quiet and some armchair astronomy. I don't use GPS or Internet maps, just topos, a recent road atlas, and my trusty Brunton transit. Any safety/weather/driving tips I should know before I get there?
  10. Does anyone have a copy of the following paper: Michael D. D'Emic Â& Matthew T. Carrano (2019) Redescription of Brachiosaurid Sauropod Dinosaur Material From the Upper Jurassic Morrison Formation, Colorado, USA. The Anatomical Record (advance online publication) doi: https://doi.org/10.1002/ar.24198 https://onlinelibrary.wiley.com/doi/10.1002/ar.24198
  11. Fossilized Coral? Western Colorado

    A user over at mindat suggested to me that these samples might be some type of fossilized coral. I find them in western Colorado. If coral, any ideas of the specifics or a link to where I can find more information? If not coral, any idea what it might be? Thank you
  12. Fossil I.D

    Hello fellow TFF Members Does anyone have any idea what this might be? Found it, and another one very similar, in the Creede Formation of Creede, Colorado. Sorry that I did not put in a scale; it is approx. 3" in diameter. The center circle has radiating lines. From that circle there are several concentric rings. From what I have read, the site was a salty lake formed in the Creede Caldera. Most of the fossils are plants and the sediment is fine grained volcanic ash. Almost looks like a jellyfish to me. Any I.D. will be much appreciated. I am stumped. Thanks, ODK
  13. Trace Fossils? Western Colorado

    Do these appear to be trace fossils? Found in Western Colorado. Thank you
  14. No idea what this could be

    I've got no idea what this might be. Found in Western Colorado. Parts of it look like skin(?) and other parts look like tooth(?). I doubt that's what they are, but that's what they sort of visually look like. It isn't heavy like a fossil and doesn't sound like one when you tap it on something. It weighs maybe what you expect a hard piece of plastic would weigh. The white thing in pictures 1,2, and 3 reminds me like a tooth being tapped on in how it feels (I tapped it against my own tooth as well). In picture 4, part of it broke off. It's almost like ivory(?). The only preparation I've done to it is rinsing it under water and using a soft bristle brush. Anyhow, dying to know what you guys/gals think. Thank you
  15. Sauropod Egg?

    I am wondering if anyone can identify this as a possible sauropod egg. I found it on my property, roughly 1/2 mile from Riggs Hill in Colorado. Riggs Hill is the location of the first discovery of the Brachiosaurus. https://en.wikipedia.org/wiki/Brachiosaurus Thank you
  16. Hello all, There are occasional requests for specific directions to collecting sites north of Kremmling. When I asked some time ago, I got the correct but vague advice to follow the geology. If you would like directions, feel free to send me a PM. Tom
  17. Fossilized Tooth

    Hi, Can anyone shed some light on what kind of fossilized tooth this is? I got it at an estate sale in Northern Colorado. It is 2.5 inches in length. Thank you in advance for your consideration and time!
  18. Dinosaurs Excavated in Denver, Colorado.

    Dig continues after crew finds dinosaur fossils at Highlands Ranch construction site, Kieran Nicholson, Denver post, May 22, 2019 https://www.denverpost.com/2019/05/21/highlands-ranch-fossils-found-construction/ Construction crews dig up dinosaur fossils in Highlands Ranch Robert Garrison, Denver Channel, May 20, 2019 https://www.thedenverchannel.com/news/local-news/construction-crews-dig-up-dinosaur-fossils-in-highlands-ranch Yours, Paul H.
  19. Colorado Cretaceous - Fox Hills 02

    From the album Sharks and their prey ....

    Carcharias sp (?) Cretaceous of Colorado Fox Hills Sandstone

    © Matthew Brett Rutland

  20. Thinking I found a fossil? Colorado

    Hi everyone. I found this extruding from a hillside on Green Mountain near Golden, CO. It is in the Green Mtn Conglomerates formation. Lots of little petrified wood around. Color or is white with some slight red marks. There are small pores but different than what I see with a lot of pet wood. Any help would be great. https://imgur.com/tpVtjNR https://imgur.com/tfv8lO3 https://imgur.com/qFxG2c7 https://imgur.com/FKz5Mr0 https://imgur.com/wwYlheE geology info: https://imgur.com/tiAh2ok
  21. This was purchased in Colorado, about an hour away from Florissant which is known for insect fossils. It's about 10 mm long. What do you guys think? Real, fake, a mix of both? Thanks!
  22. So, yeah. It seems to just be a broken part of a bone
  23. This spring break (March 17th-23rd) my girlfriend and I are planning a trip in Utah, Wyoming, and Colorado. It looks like most of the big dig sites are closed for the season, which was a disappointment for us to see. The tentative plan was to go through Kemmerer from Salt Lake (home,) and hit the digs sites there, go through Vernal to the Quarry and the Prehistoric Museum there, then to Dinosaur National Monument in Colorado with a possibility of hitting Price Utah and the Cleveland Lloyd Quarry on the way back. Without any of the digs open, it seems like we're just trying to find simple things to kill our time, but we'd rather be out doing more engaging fossil hunting or learning. Does anyone have recommendations for areas somewhere nearby where our travels will take us? Any suggestions for digs, museums, cool fossil shops, or even just pretty places to camp are all welcome and greatly appreciated!
  24. I will actually be moving out west in June/July, I’m currently researching the areas. I’m calling on the experts to let me know which is the best move for fossils. I’m a geology grad with a desire to pursue paleontology, so career opportunities must be kept in mind as well. The three cities we’ve narrowed down are Fort Collins CO, Flagstaff AZ, and Bend OR. Don’t worry, I will be bringing a plethora of Florida fossils with me, so, whoever gets to meet me will have plenty of gifts and goodies. Just looking for some solid advice. ps, sorry for being so absent on the forums lately; life has been a little cray!
  25. Colorado Cretaceous - Fox Hills

    From the album Sharks and their prey ....

    Carcharias sp (?) Cretaceous of Colorado Fox Hills Sandstone

    © © Matthew Brett Rutland

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