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  1. Top Trilo

    Fossilized Florissant Feathers?

    Just as it says in the title, are these feathers from the Eocene Florissant Formation of Colorado. Or are they plant parts. They both are about 9mm long, 1/3 of an inch. Thanks for your help.
  2. So I had a great week out there. Visited all the museums around as well as Dinosaur Ridge and Red Rocks. Also checked out Florissant fossil quarry and Pikes Peak. I have way too many photos to share all of them. I want to say for anyone out that way, go check out the museums. OMG they are amazing. It's hard to pick the best but one that stands out on top (because of more than just their fossil displays) is the Denver Museum of Nature and Science. Their wildlife displays are better than any zoo I've been to. Hands down simply an amazing place. The others are fantastic too. The Morri
  3. Hi Everyone. I was fortunate to be able to take a weeklong vacation trip the week of Labor Day, my fourth since I began collecting fossils. I wanted to visit friends and family and do some collecting. I was able to do all of that. It was busy, but there was also some quality relaxation time. It proved to be a good break. I flew into the Denver airport, rented a car and drove to Colorado Springs where I was invited to stay with my second cousin and her family. Next morning I was on my way to Florissant Fossil Quarry. I've known about Florissant for over 50 years and over 40 years ag
  4. My family calls this a petrified egg, but a researcher called it fossilized (well, it is all speculative on what the heck it is). What would be the difference, or is that the same thing, fossilized and petrified? I googled it and it said there wasn't a distinction. Also looking for any info on what you think this egg might be, and wanted to share it with the community too. When I was growing up, once a year my mom would get out this petrified egg, and my brothers and I were allowed to hold it. It was always a very special treat! We would wrap a magazine around it, hold it
  5. The holotype is a fantastic specimen, which is illustrated. Paleontologists Find Frog-Legged Beetle Fossil in Colorado Sci News, Aug 10, 2021 The paper is: Frank-Thorsten Krell & Francesco Vitali. Attenborough’s beauty: exceptional pattern preservation in a frog-legged leaf beetle from the Eocene Green River Formation, Colorado (Coleoptera, Chrysomelidae, Sagrinae). Papers in Palaeontology, published online August 5, 2021; doi: 10.1002/spp2.1398 Yours, Paul H.
  6. Hey guys, My family and I are staying in Rocky Mountain national park northwest of Denver. Anyone know where you can find fossils near there?
  7. Killanuggs

    Colorado Coral?

  8. I found this piece of late Cretaceous petrified wood in the Dawson formation of Colorado. Most of the piece however is this grey ash colored rock and I was just wondering, 1. What type of rock is it? I’m willing to do tests such as scratch and hardness if it will help. 2. How was it formed? 3. When was it formed? Did it form during fossilization or much more recently? Thanks for any and all help.
  9. So my wife has a business trip coming up in Sept. I'm going with her and want stuff to do on the few days she's at the office there. End of the week we are hitting up some museum places around Morrison. I'm also thinking of hitting up the Florissant Fossil Quarry, because that's at least one place I can go and find something myself. I mean I'm certainly going to buy a few fossils on the trip because well why not. So there are a few things I'll visit without her just because I don't mind the hikes. I'd kind of like to find a few things myself and I know absolutely nothi
  10. In Colorado there is a formation called the Dawson Formation also known as the Dawson Arkose Formation. The most common fossil by far is petrified wood and although I haven’t found any vertebrate fossils from dinosaurs and mammals have been found. It covers a relatively large time span from late Cretaceous to early Eocene, about 70-54 million years old. A member that has also found fossils in this formation, Blake @FossilDudeCO. Although it has been over three years since he was on his posts have still helped. He said that further south is Eocene but higher north in Parker and Aurora is Cretac
  11. I found this today on private land while hunting for calcite SE of Denver Colorado. It was in a gulch mostly buried by sand that is very quartz heavy. Please help with ID! It is very heavy!!!
  12. I just got back from an amazing and very fruitful week of fossil collecting on the White River Formation in northeastern Colorado. The White River Formation is a very easy and fun rock unit to collect vertebrate fossils on. The White River Formation was deposited during the very latest Eocene and the early Oligocene, though the faunal diversity in the areas I was collecting on suggest it was laid down during the Orellan North American Land Mammal Age, which centers on around 33 million years ago during the Rupelian age of the Oligocene Epoch. I am very lucky to have a grand uncle
  13. Well with the last year of moving and renting and moving again, I haven't had much time to do much of anything on the fossil front. The Pictured Cliff Sandstone formation, Late Cretaceous near Durango, Colorodo. Spotted these large rock faces with ripple marks and decided to be a geology nerd and scramble as far up the slope as possible to snap a few photos. These ripples were likely deposited at the edges of the Interior Seaway, Late Cretaceous. In 10m of water. At least, that's what the paper suggests. (Depositional Environments of The Pictured Clif
  14. I've always wanted to visit the Florissant Fossil Quarry due to my interest in paleoentomology but for one reason or other, I was never able to make it out there. I was finally able to make a detour out during a roadtrip returning from a funeral last week. There were beautiful calm skies, which was lucky too since heavy rains were forecasted for the next 2 days. After a good 5 hours, this is what I had to show for my efforts: Most pieces will have unidentifiable organic smudges. Aside from that, small leaves are the most common readily recognizable fossils. I am a terrible botanist
  15. I have a few really nice fossils from the White River Formation of northeastern Colorado that I need to prep, and given I am a beginner at fossil prep I would really like to gain some advice and guidance from people with experience do I don’t accidentally damage the fossils. The first fossil is an Oreodont skull. The skull is mostly intact, and I was able to extract it from the field without using any glue or stabilizer or consolidant or anything like that, so this fossil is in its “natural state.” The zygomatic arch and upper tooth row are crumbling, but
  16. Maria814

    Is this a fossil?

    Hello! I found this in Fruita, Colorado while doing some remote field work. I have no idea if it’s a rock, bone, or fossil. Was wondering if anyone could help! Thanks!
  17. yardrockpaleo

    Florissant unknown (fish scale?)

    Hello everybody! I have another U.F.O here (Unidentified Florissant Object) and to be honest, this one has really stumped me! It isn't a carbon stain, it isn't one of those pumice chunks 'fireballs' that are common at Florissant, and it has a strange texture and shape. Weirdly preserved petrified wood? That is my best guess as of now... @piranha @Top Trilo @Tetradium The fossil is 1/2 an inch long. The first 2 pictures are the fossil by itself and the third I circled it. The rest are microscope pics of the texture. Pics 5,6, and 9 show the edges. 7 shows the top.
  18. Wasn't sure to put this in this forum or Documents so move it if needed. I was wondering if anyone can show me an online document about the Manitou limestone or Manitou formation, trying to learn more about it. Thanks again.
  19. LurkingGargoyle

    Possible Fossils in Creek Bank; Colorado USA

    Sorry, I hope this isn't making multiple posts. I'm having trouble submitting (I was previously pasting images inline instead of using the "choose files" function). We were exploring a creek outside of Denver, Colorado USA. There was a newly exposed bank about 2.5 meters (8 ft) high. At the bottom was about 1/2 meter (2 ft) of grey clay. We pulled a large clump of clay out and dissolved it in the water. Inside were two possible fossils. We have no idea what we're looking at and have zero experience identifying fossils. Any help is appreciated. Item #1: This looks like a bone, we're
  20. Found123

    Fossils from Colorado

    Hi there, We recently moved to the Colorado Front Range from Michigan. We’re used to hunting for petoskey stones on the Great Lakes. Here are some of our new CO finds and we’d really appreciate any information! thank you so much! We are so excited for this new land to experience.
  21. Hi Everyone! My family and I are going on a trip to North Colorado this August and I really want to collect and keep some dinosaur fossils while I'm there. Does anyone know of a program, charter, or guide who can help me? It doesn't have to be in Colorado, I'm close enough to Wyoming that that is also an option. I tried looking for something on my own and all I can find is either parks where collecting is forbidden or what is basically "pay us two grand to be our field slave for a week".
  22. fossilsonwheels

    Cretomanta ?

    I found an interesting fossil in my Mesaverde formation matrix yesterday. It has me scratching my head a bit. At first I thought it was a Sawfish rostral but after a bit of research I am not sure. I think it looks like Cretamanta possibly. It is the right size at 1mm. I had had some difficulties with the equipment at work today so I only got one decent picture.
  23. kevindl30

    Large Molar Tooth

    Out walking near Denver CO today and stumbled across what looks to be a large tooth. Can anyone help me understand what it might have come from?
  24. fossilsonwheels

    Mesaverde Formation Round 2

    I have been a little bored lately and missing micro matrix searches. It’s been awhile since I’ve gotten to enjoy hunting for tiny shark teeth. I got some more matrix from the Rollins Member of the Mesaverde Formation. My first time through that matrix produced one of my favorite finds, a 1mm Scyliorhinus tooth. This formation doesn’t provide much in the way of complete teeth but it is a fauna that was really quite diverse. The first search was with less matrix but I found enough to want to do it again. This time I have more matrix and in varying states. Some is broken down, some i
  25. FossilHunterNYC

    Morrison Formation

    This apparently came from dinosaur monument in Colorado. Are the dark areas bone fragments?
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