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Found 222 results

  1. Some of you may have seen my ammonite donation. If not and you are curious it is linked here: It is an important player in this trip. Anyway I thought I might describe my first trip to this locality and why you might realize it is a little more rare than the normal finds there. Some of this is part of a poster for the now cancelled Rocky Mountain Section of the Geological Society of America so if I ever do get to put my poster online I will post a link here so you guys can look at it too. For now here is a trip report.
  2. Barely a month had gone by since my last trip to New Mexico and Colorado, but I already had plans for this trip in the works. Primary focus this time, which was a solo trip, was fossil collecting, visiting well known sites that have been on my radar for quite some time. I flew out to Salt Lake City and drove directly to Kemmerer, WY. My first stop there was Fossil Butte National Monument: Here is a view of the visitors center (free admission) and the surrounding barren, but awesome landscape that surrounds it:
  3. I was doing some research on the ordovician cruziana plates I found in Millard Co, Utah a few years ago and noticed something funny. It seems that similar looking specimens from around the world are frequently the same pink color. In my experience pink fossils are rare. But, it seems pink cruziana is not. Google the cruziana found at Penha Garcia park in Portugal for example. Any thoughts as to why? Here are some pictures of mine.
  4. Trilo ID help please?

    Hi Everyone I found this Trilo in the scree on the shoulders of Fossil Mountain in Utah about 7 years ago. I have looked for its source higher up on the mountain the last few times I went there and could never find another. Can anyone ID it? It is the biggest and most intact specimen I have ever found at that site and would be curious to know what it is. Thanks for your help.
  5. Tracking Traces of Permian Coast Life

    Here is a short trip to keep those of us still in quarantine entertained. I collected this before our quarantine started. Something I have wanted for a while ever since seeing one but was not able to collect was in my trip through Utah's Paleozoic (link here: ) is a trace fossil called Skolithos. For those without much experience with trace fossils, Skolithos is a vertical tubelike burrow in sand on a sandy high-energy beach. The little critters would have to dig relatively deep vertical burrows so that they weren't washed away the next time a storm rolled through. A common name for this particular trace fossil is “piperock” because the number burrows could get dense enough in one area that the rock looks a bundle of straws. Just like a lot of trace fossils, it is not certain what made these burrows but it is known that it probably went extinct at the end of the Cretaceous as there are not any specimens after the dinosaurs’ doomsday. My particular specimen is made of calcareous sandstone that has been slightly metamorphosed into a quartzite. It is most likely from the Lower Permian of the Oquirrh Group based on the location and the nearby rock formation it appeared to have fallen out of but I found it in a gravel pile from the shoreline of Lake Bonneville so the exact stratigraphy is unknown.
  6. Uranium Mineralization of Fossil Wood

    Mustoe, G.E., 2020. Uranium Mineralization of Fossil Wood. Geosciences (Switzerland) 10(4):1-25 https://www.researchgate.net/publication/340609903_Uranium_Mineralization_of_Fossil_Wood https://www.mdpi.com/2076-3263/10/4/133 Yours, Paul H.
  7. Good afternoon folks. I have what was identified as a Sauropod coprolite (1 of 5) from the Morrison Formation, Henry Mountains, Wayne County, Hanksville, Utah. Jurassic period (Per the seller's description). I purchased this back in 2000 and am requesting a verification so I can ensure my ID card is correct. All help is appreciated. Measurements are 8.5Cm W, 6.0Cm H, 4.5Cm D.
  8. Utah Fossil Hunt

    When fossil hunting near Moab, UT this weekend. There was quite a bit of snow in the Moab area this weekend, so I was not expecting to find anything. Luckily, this area was in the Sun and all the the snow was melted off. Found many Brachiopods, crinoid stems, and a small partial trilobite. (I have not been able to take a good photograph of the Trilobite because it is so small, abt 3/8") Attached are photos of the best Brachiopod. It is approx 2" across. I found a slightly large one, but it is still covered in a lot of matrix and needs to be prepped. Fossils are from the Permian Rico Formation about 17 miles down the Potash Road (Hwy 279) South of Moab, UT. Does anyone know of a good reference for fossils in this formation.
  9. A new Eocene bird species has been discovered in the Uinta Formation in the Uinta Basin of Utah. Dubbed informally as the Uintan paraortygid (yet to be formally named), this bird species lived about 44 mya and belongs to a family of extinct birds known as Paraortygidae that are related to living Galliformes (like chickens, turkeys & quails) and fossils from this group have been found in Europe, Asia, Africa & North America. The species is know from a coracoid bone. The authors state that these small ground-dwelling birds may have been competing with early mammals for resources http://www.sci-news.com/paleontology/uintan-paraortygid-08189.html https://www.mdpi.com/1424-2818/12/3/90 (Stidham, Townsend & Holroyd., 2020)
  10. I'll start by saying I'm not looking for anyone's honey hole, but if you want to share please private message me. I'll be in Florida (Tampa/Venice mostly) with my family (coming from Utah) in late July/early August. Had hoped to hit up the Peace but I've heard it's no good because the water is high. I have 3 kids who love to fossil hunt and dig around for treasures so I'm disappointed that the Peace won't work out. What I want to know is if there are any safe spots in smaller creeks that I can access (legally) during that time of year and bring my kids for a few hours? Rather not do any guided trips, but would be ok to pay to access someone's land. We did the beach stuff (caspersen, manasota) last year and now looking to try our hand on a creek. Would be happy to give some tips on Utah spots in exchange for any info. Thanks.
  11. Two of my weeks formation trilobites, will show more in a few days. Order.: PTYCHOPARIIDA Family.: LLANOASPIDIDAE Gen.: Genevievella, LOCHMAN, 1936 Rare trilobite with a large characteristic spine starting from the 7th axial ring. LINK: http://www.backtothepast.com.mx/ebonino/html/weeks_trilobites_1.html#Genevievella
  12. Never would’ve thought that geiger counter (or some other machine like one) would be used when collecting fossil! Anyway, here’s the link: https://www.livescience.com/amp/new-allosaurus-dinosaur.html Enjoy!
  13. I just received confirmation from Professor Steven R. Manchester, Curator of Paleobotany Florida Museum of Natural History, that I do in fact have Bonanzacarpum sprungerorum! Special thanks to doushantuo's post (additions to paleocarpological knowledge:The Eocene) that restarted my identification quest and Paleoflor for encouraging me to pursue it. And TTF for giving me the venue to request identification assistance.
  14. Strange 'martian' mineral mounds rise up from Utah's Great Salt Lake By Tom Metcalfe https://www.washingtonpost.com/national/energy-environment/rare-salt-formations-appear-along-the-great-salt-lake/2020/01/10/5b581e9c-33e5-11ea-971b-43bec3ff9860_story.html https://www.space.com/martian-mineral-mounds-rise-utah-salt-lake.html https://www.lite1065.com/2020/01/16/rare-martian-mineral-mounds-appear-in-utahs-great-salt-lake/ What rare environmental mounds at Great Salt Lake could teach us about Mars. Utah geologists document spring mounds for first time By Amy Joi O'Donoghue, Deseret News, January 7, 2020 https://www.deseret.com/utah/2020/1/7/21055472/great-salt-lake-rare-environmental-mounds-could-teach-us-about-mars Other publications: Schubert, B.A., Lowenstein, T.K. and Timofeeff, M.N., 2009. Microscopic identification of prokaryotes in modern and ancient halite, Saline Valley and Death Valley, California. Astrobiology, 9(5), pp.467-482. http://citeseerx.ist.psu.edu/viewdoc/download?doi= https://pdfs.semanticscholar.org/14ac/33a1fb626040f3019947bfe95903ebe46d99.pdf Yours, Paul H.
  15. Good morning all. I have a fossil that was identified as "plant cross section(?) from Green river". I'm wondering if it's actually a fruit seed pod similar to Bonanzacarpum spungerorum species. It has similar form and shape. I applied a lite coat of easily removeable wax for protection.
  16. Utah oysters

    Hello everyone, I found these oysters while driving by in Utah along Cottonwood Canyon Road. I would really appreciate any help on the species and formation they came out of. The outcrop contained a lot of black sand. Thank you. General pic:
  17. Need ID on Utah Mine Rock

    I was recently in Park City, Utah, when I collected a few rocks from the dump of the old Thaynes Mine. I thought it was Quartzite at first, but then I did some research on the stratigraphy of the Park City District and began to doubt my assessment. From highest to lowest, the formations of the district are the Ankareh Shale, the Thaynes Limestone, the Woodside Shale, the Park City Limestone, and the Weber Quartzite. I am not certain of this, but I do not think the Thaynes Mine ever entered the Weber Quartzite. However, I did discover that the Park City Limestone contains some Quartzite inclusions, but I'm not sure if the mine even went that deep. Overall, I think that it is either Sandstone of Quartzite, but I'm not sure which, nor am I sure of the parent formation. Any input on this matter would be greatly appreciated. The specimen is a light bluish-grey, hard, fine grained, and has small pockets of carbonate residue in it.
  18. Hello! Purchased this piece at a Gem and Mineral show. Seller had the item listed as an unknown dinosaur bone, and potentially thought part of a ceratops horn and acquired in Utah. Bottom looks almost suture like? Honestly, not sure. Got at a good price so it was worth the risk. About 5 inches tall, 3 inches wide, 2 inches thickness. Probably weighs 1-2lbs. Has been glued.
  19. ID Help - UT Summerville Formation

    Hello! This is my first post/plea for ID help. This piece was found in the Summerville Formation in Little Egypt area outside of Hanksville, UT in the Henry Mountains (I believe Summerville Formation is middle to late Jurassic). You can see very colorful agatized portions showing through in a few places. Little Egypt is known for petrified wood (cycads, in particular), dinosaur fossils & coprolite, but there is so much misidentification of fossils in this area, so..... Thank you in advance for any help you can provide!
  20. Hello all, Before I post a ‘what is this’ query I’d like to see if I can ID seversl fimds on my own. I have a number of shells from the Mancos Shale near Moab. In terms of references I have Index Fossils of North America, and Invertebrate Fossils by Moore et al. The Index Fossils might have gotten me close but still, no cigar. Other sources I have are particular to ammonites. Can any of you suggest references I might find online that cover non-ammonite Mancos Shale fossils? Thanks, Tom
  21. Fossil found in marine limestone deposit Ut. About 9” long. Formation from Mississippian according to USFS.
  22. I am looking to take my kids to go take for trailer lights and Utah but I'm looking for free places to do so on public land. Does anybody have any locations where I might be able to do this as a day trip?