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  1. News flash and request for near-future feedback! After a 12-year(!) hiatus, the Paleontological Research Institution (PRI) is about to reboot American Paleontologist, the old avocational paleontology standby, as a community newsletter. To do what I can to support this effort, I've signed on as a columnist, with a column called "The PaleoCommunity Organizer." It centers the community aspect of our shared avocation and looks at all the ways in which acting as a community can inspire and save avocational paleontology and help it thrive in the 21st century. And, well, it wouldn't be much of a column about community if it were just me talking. A crucial aspect is hearing from y'all, whether that means calling me out on something I missed, or naming a powerful example of something I only just touched on, or reframing the conversation as you see it. The community always knows more than I do. So, community, bring your feedback here to The Fossil Forum, where we can build on each other's ideas and craft a better avocational paleontology world for all of us. Action item: Look out for a followup post here on March 31, 2024, when American Paleontologist's first newsletter drops. That's when I'll ask y'all to get the discussion rolling on my column's first entry: "How Fossil Community Got Lost—and How We Get It Back." Stay tuned.
  2. American paleontology hobbyist here, seeking wisdom from those of you outside the USA regarding amateur paleontology culture elsewhere. Call me crazy. I'm seeking your stories to use in a planned talk in a session advocating for amateur/hobbyist contributions to paleontology, at the North American Paleontological Convention in June. Which stories? Well, the ones that offer better ways that amateur/hobbyist paleontology can interface with professionals, academics, corporations, and governments. I want to hear about the ways in which differences in cultural or historical or legal framework in different countries have led to different/better relationships with amateur/hobbyist paleontology than we have in the USA. For example: How do municipalities, corporations, and universities regard their role in actively or passively facilitating access/opportunity/education for amateurs/hobbyists? How do states and universities regard hobbyist societies as knowledgeable partners in which to invest trust when it comes to approving outcrop access, amateur grants, etc.? What is the funding mechanism for efforts to keep fossil exposures fresh at designated fossil parks? Is there an amateur paleontology stewardship certification offered by the state, by the municipality, by the national society, by the local museum or university, or by individual quarries that lends meaningful weight when it comes to approving outcrop access, amateur grants, etc.? If you have some interesting answers—especially anecdotal answers—to these and related questions, I'd love to catch up with you for 20 minutes to discuss. Your responses are what will open up possibilities for fossil collectors here in the USA and elsewhere. Let's talk. To start the conversation, send me a DM. Or if you prefer to just leave your thoughts below, that's fine too. Thanks.
  3. Plant impressions i found in material from the Coleraine formation of Northern Minnesota, which dates to 100-90mya, i confirmed with a paleontologist that these are first known plant impressions ever found up here which has me excited but neither of us know anymore than that theyre plant impressions, can anyone here maybe give more specific information from my pictures? i hope these pictures are good enough, i donated it for further study so I can’t get more. Even if you can’t ID them i still want to know what you guys think!
  4. For those keen on the leaves, a nice little piece on a warmer time in Vancouver. https://www.cbc.ca/news/canada/british-columbia/plant-fossils-sfu-1.6810170 And the official paper by Matthews, Greenwood, and Reichgelt: https://www.journals.uchicago.edu/doi/10.1086/724156#_i16
  5. penutpls

    Paleobotany: Identification help

    Hello everyone! I am looking for help to identify this macrofossil sample of a leaf. It shouldn't be older than pliocene. Really struggling to identify it. Thought of it as Nothofagus or maybe Populus. Was looking for it in Zelkova, but nothing quite matches it. Does anyone know or have a suggestions, what it could be? Thanks in advance! Philipp
  6. Top-secret Cold War military project found perfectly preserved fossil plants under Greenland ice By Mindy Weisberger, Live Science, March 2021 Andrew J. Christ, Paul R. Bierman, Joerg M. Schaefer, Dorthe Dahl-Jensen, Jørgen P. Steffensen, Lee B. Corbett, Dorothy M. Peteet, Elizabeth K. Thomas, Eric J. Steig, Tammy M. Rittenour, Jean-Louis Tison, Pierre-Henri Blard, Nicolas Perdrial, David P. Dethier, Andrea Lini, Alan J. Hidy, Marc W. Caffee, John Southon, 2021. A multimillion-year-old record of Greenland vegetation and glacial history preserved in sediment beneath 1.4 km of ice at Camp Century. Proceedings of the National Academy of Sciences Mar 2021, 118 (13) e2021442118; DOI: 10.1073/pnas.2021442118 Yours, Paul H.
  7. ColombianFossils

    Wood and Bark from Colombia

    Hi all, I found a number of wood fossils in a recent trip to Villa de Leyva, Colombia. I'm not sure of the period as there are a wide variety of geological bands in the area. I have the feeling the lined fossils are Calamites but would appreciate some help confirming and potentially identifying the others. Thanks in advance
  8. archeo

    The first forests

    Hello, I just uploaded my last short film on the first forests of the Middle Devonian. Automatic English subtitle translation doesn't sound too bad.
  9. Does anyone have a recommendation for published keys to help identify tree species from petrified wood? I'm finding a lot of it and would like to not pester everyone here constantly, but would also really like to know more about the ancient environments I'm exploring. Any tips much appreciated! Happy New Year everyone. TFF definitely a highlight!
  10. Randy’s rocks

    New to fossil hunting

    Hello, new member hoping to get ideas of what this is, thank you!
  11. Throwing Shade When you look at beautiful fossil leaves, have you ever wondered what the forest was like? Was the leaf from a tall tree, hogging the sun at the top of the forest? Or did it grow in the understory, in the shadows of big trees above? Perhaps we can figure that out. Please join our next online meeting of the DPS at 7pm on Wednesday, October 14th, when we will hear how to “see the forest from the leaves”. Joe Milligan, PhD candidate at Baylor University, will speak on "Sycamores shine a light on ancient canopy structure”. Joe has a BS in Environmental Science from the University of Maryland Baltimore County, and an MA in Earth and Environmental Science from Wesleyan University. He is doing several research projects for his doctorate, including estimating the CO2 content of the ancient atmosphere from fossil leaves, which is supported by a scholarship from the DPS. In this work he studied living trees which were grown in different shade conditions, and determined how the leave shape, microstructure, and even the carbon isotope composition are effected. Sycamores are one of our most beautiful trees, and distinctive fossils, so it will be fun to learn how they might tell us about the structure of ancient forests. Wednesday, October 14th, will also be National Fossil Day! We will celebrate with two short talks on fossils that can be seen in our national parks. Tom Dill will give a short walking tour of giant spiral beaver burrows along the Daemonelix Trail in Agate Fossil Beds in Nebraska, and Estée Easley will talk about Florissant Fossil Beds in Colorado, and their virtual displays and online activities. So stay online after the main presentation to see more fossils. Please join our Zoom meeting by clicking on this link: https://zoom.us/j/92213920218?pwd=N0l4eXhtQW9lOU1uQVp5OGh3OUFWdz09 Or start the Zoom app and join the Meeting ID: 922 1392 0218, with the Passcode: 466780. Remember that you are on camera if your video feed is on, and that we can hear everything if you have your microphone on. Please be responsible about what you sending out to the world. If you move your mouse over the Zoom window, controls will appear where you can turn on and off your audio and video “feeds” to the meeting. During the presentations we will mute everyone’s audio, but if you come in late, be sure to mute yourself. You can submit questions for the speaker in the chat box, typing “QUESTION” to make them stand out. We will read them at the end in the order received, or unmute people to ask their questions.
  12. I was wondering what tree this piece of petrified wood could have possibly come from and maybe a rough estimation of it’s age? It was found in Stockton, California by my grandfather. According to him, it was found in his backyard when they were first building the house and tearing up the ground in the backyard? He’s had it for a long time and recently gave it to me, since I really love fossils and Paleontology. I included some pictures with and without flash and the top and bottom of it. It’s 7 inches long. I also recently cleaned it, so it would be easier to identify it and see all of the details of it.
  13. Help request! I am putting together a tool for judging rock age based on very crude, whole-rock, hand-sample observations of fossil faunas/floras -- the types of observations a child or beginner could successfully make. I view this as a complement to the very fine, species-level identifications commonly employed as index fossils for individual stages, biozones, etc. In this initial framework, vibrant orange indicates times in earth history to commonly observe the item of interest; paler orange indicates times in earth history to less commonly observe the item of interest. White indicates very little to no practical probability of observing the item of interest. Please keep in mind that the listed indicators are things like "conspicuous horn corals," purposefully declining to address rare encounters with groups of low preservation potential etc. Got additions/amendments? Toss them in the comments below! Thank you for your insight and assistance.....
  14. Fingerprints of ancient forests offer rare look at Florida 16 million years ago by Halle Marchese Florida Museum, September 18, 2019 https://www.floridamuseum.ufl.edu/science/ancient-forest-fingerprints/ Alum Bluff fossils show life 15 million years ago Danielle Ivanov, gainesville.com, Sep 29, 2019 https://www.gainesville.com/news/20190929/alum-bluff-fossils-show-life-15-million-years-ago The paper is: Lott, T.A., Manchester, S.R. and Corbett, S.L., 2019. The Miocene flora of Alum Bluff, Liberty County, Florida. Acta Palaeobotanica, 59(1), pp.75-129. Open access https://content.sciendo.com/view/journals/acpa/59/1/article-p75.xml Yours, Paul H.
  15. I am currently working on a diorama/sculpture featuring a Pinacosaurus, some Protoceratops, and maybe a Velociraptor or alvarezsaur. From what I understand from the papers I have read, the Djadokhta formation was a semi-arid to arid biome, but I can't find any information on what kind of vegetation would have been present at that time. Does anyone have any insight on what kind of plant life you would expect to see in a Cretaceous desert? Thanks in advance. Progress pics coming soon.
  16. What the era of sabre-toothed cats and giant sharks says about climate change by Simon Levey, Imperial College London, April 2019 https://www.imperial.ac.uk/news/190795/what-sabretoothed-cats-giant-sharks-says/ The meeting is: The Pliocene: The Last Time Earth had >400 ppm of Atmospheric CO2 Royal Meteorological Society Meeting https://www.rmets.org/event/pliocene-last-time-earth-had-400-ppm-atmospheric-co2 The video of the talks is at: https://www.youtube.com/watch?v=KmdJJEuwTrg Other articles are: Last time CO2 levels were this high, there were trees at the South Pole Pliocene beech fossils in Antarctica when CO2 was at similar level to today point to planet’s future, The Guardian, April 3, 2019 https://www.theguardian.com/science/2019/apr/03/south-pole-tree-fossils-indicate-impact-of-climate-change Dire future etched in the past: CO2 at 3-million year-old levels by Patrick Galey And Marlowe Hood, PhysOrg, April 5, 2019 https://phys.org/news/2019-04-dire-future-etched-co2-million.html Yours, Paul H.
  17. Tennessees Pride

    Unidentified Paleobotanical Pic 1

    From the album: Most of my collection

    This has to be one of the strangest paleobotanicals i've ever laid eyes on. The material has been replaced by siderite or some other iron type stuff=iron wood! It has been looked at by one Paleobotanist and one Geologist,neither had saw something like this before, and i was told there was a possibility it could be a new species of some type! It's still unidentified. The preservation is nothing short of remarkable....this specimen is so incredibly life like, that one would almost expect it to start moving in your hand! All the internal parts can still be viewed, even veins! Strange....you almost expect a heart to start beating in it! was collected in 2013 from a Late Cretaceous Campanian formation. The outside surface has many holes in a regular pattern which lead to internal parts.
  18. Tennessees Pride

    Unidentified Paleobotanical Pic 2

    From the album: Most of my collection

    See pic 1 for a description.
  19. Tennessees Pride

    Probable Eucalyptus Specimen

    From the album: Most of my collection

    Specimen collected April 6th 2014 from a Late Cretaceous Campanian formation in Sardis, TN.
  20. Tennessees Pride

    Amber In Wood Matrix.

    From the album: Most of my collection

    Amber in Late Cretaceous wood, probable Seqouia species. Campanian.
  21. Tennessees Pride

    Amber In Wood Matrix

    From the album: Most of my collection

    Amber in Late Cretaceous wood, probable Seqouia species. Campanian.
  22. Tennessees Pride

    Tennessee Amber. State record #3

    From the album: Most of my collection

    For a description, reference the first photo of this specimen combined with a scale.
  23. Tennessees Pride

    Tennessee Amber. State record #2

    From the album: Most of my collection

    The begining prep of the second state record specimen. For a description, see the first photo of this specimen combined with a scale.
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