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Found 33 results

  1. Pachyrhinosaurus Frill Morphology

    Cool paper for those interested in the Ceratopsian, Pachyrhinosaurus Darren Tanke "This was discussed some time ago and of interest to several artists awaiting the "new look" of Pachyrhinosaurus perotorum. Paper on revised frill morphology of Pachyrhinosaurus perotorum by Tykoski et al., 2019 here. Well, it turns out the "new look" is much like the "old look" in other pachyrhinosaurs; the frill looks much like that in P. lakustai and that speculated on in P. canadensis." Tykoski 2019 Journal of Systematic Palaeontology.pdf
  2. Marine Fossil??

    I found a few fossils while on a hunting trip. The fossil Im most curious about is in the first 2 pictures. Any Idea what it might be? Third picture seems like obvious marine fossils.
  3. Hi everyone- I have a juvenile mammoth tusk that I would like to learn how to stabilize and restore. The problem is I have (almost) no idea how to even start! The tusk is fully dried out, but it’s split down the middle. I need some advice! Here’s what I know has to be done: 1. Clean the outside and inside as much as possible without using water- any suggestions on what to use? 2. Superglue the two pieces together and use hose clamps to hold the two pieces together- any suggestions on glue/method? 3. Fill gaps/cracks with epoxy- any suggestions on a good type? 4. Sand sand sand! 5. Beyond this point I’m not sure- is there some sort of protective varnish people use? I’m sure I’m missing about a dozen crucial steps here- I have literally never tried anything like this before, so any advice would be greatly appreciated. I posted some photos of the tusk, and I will post photos of progress! Thanks everyone.
  4. Fossils and Friendship in Alaska

    Southeast Alaskans, visitors find awe and friendship in fossil hunting Posted by Alanna Elder, July 23, 2018 https://www.kfsk.org/2018/07/23/southeast-alaskans-visitors-find-awe-and-friendship-in-fossil-hunting/ Geologic Map of Baranof Island, Southeastern Alaska https://pubs.usgs.gov/sim/3335/ Yours, Paul H.
  5. Help needed with this jawbone

    Picked this up in a little shop while vacationing in Alaska. Would love to get more information on this. All help is appreciated.
  6. Where are mammoth fossils in Alaska found?
  7. Hello forum, I hope this is OK to post here. I haven't been on the forum much for the last couple years, since I started graduate studies in archaeology, but I have a mystery I think the FF is uniquely qualified to solve. At the Burke Museum at the University of Washington (Seattle, USA), in the collections is a Yup'ik pouch that is covered with a very small bone (4mm x 1-2mm) used as a form of decoration. The bag originates from SW Alaska. The elements appear to be bones, but maybe shells or teeth. Some extremely knowledgeable individuals have been stumped by this so we're trying a little crowdsourcing. Any help or suggestions would be appreciated. I've attached one photo of the elements, but there are a bunch here: https://photos.app.goo.gl/yJdKozUxGd2uNmar1 Thanks for your help! Dave
  8. Hello! I am taking a trip up to Alaska to visit my dad. He really wants to go and apttempt to find some fossils. The goal is something other than plant species, something like gastropods, ammonites, etc. We will be anywhere from Wasilla, Ak area to Seward during our trip. Any spot suggestions would be greatly appreciated! Thanks guys!
  9. Was the Bering Land Bridge a good place to live? By Ned Rozell, University of Alaska Fairbanks, February 24, 2018 https://www.adn.com/alaska-news/science/2018/02/24/was-the-bering-land-bridge-a-good-place-to-live/ Was the ice age's Bering Land Bridge a good place to live? By Ned Rozell, University of Alaska Fairbanks, February 28, 2018 http://www.valdezstar.net/story/2018/02/28/main-news/was-the-ice-ages-bering-land-bridge-a-good-place-to-live/1842.html Yours, Paul H.
  10. Hi, all. Total rookie here. I found this on the beach of an island in Alaska's Inside Passage several years ago and have often wondered what it is. There seem to be many genuine experts here, so I'm grateful for any help! It's strongly curved on one side of its cross-section and much flatter on the other side. Thanks!
  11. What part of a Mammoth is this?

    I got this off eBay as an impulse purchase. It was described as a mammoth bone from Alaska, but I don't know what bone. What am I looking at? Thanks, Matt
  12. In the Bones of a Buried Child, Signs of a Massive Human Migration to the Americas by Carl Zimmer, New York times, https://www.nytimes.com/2018/01/03/science/native-americans-beringia-siberia.html Discovery of Unknown Ancient Population Changes Our Understanding of How North America Was Settled George Dvorsky, Gizmodo, Janaury 3, 2018 https://gizmodo.com/discovery-of-unknown-ancient-population-changes-our-und-1821739886 The First Americans: Ancient DNA Rewrites Settlement Story By Mindy Weisberger, January 3, 2018 https://www.livescience.com/61319-dna-first-americans-lineage.html Ancient Native American 'Twins' Had Different Mothers By Tia Ghose, LiveScience, October 26, 2015 https://www.livescience.com/52582-alaskan-burials-genetic-history.html The paper is: Moreno-Mayar, J. V., and others, 2018, Terminal Pleistocene Alaskan genome reveals first founding population of Native Americans. Nature. http://dx.doi.org/10.1038/nature25173 https://www.nature.com/articles/nature25173 Yours, Paul H.
  13. Troodontology

    sizetheropusapalaiosOntootroodontologgigant_the_Occurrence_of_Exceptionally_Large.pdf
  14. Petrified Wood?

    Very new to the fossil game and i need some help. Think i came to the right place! Found this on a hike in SE Alaska and i think its petrified wood. Thoughts? Thanks!
  15. Seeking clues by slicing 20,000-year-old mammoth tusks Ned Rozell, Alaska Dispatch News, September 3, 2017 https://www.adn.com/alaska-news/science/2017/09/02/seeking-clues-by-slicing-20000-year-old-mammoth-tusks Yours, Paul H.
  16. Curing a large mammoth tusk?

    I work at a small placer (gold) mine in the interior of Alaska, and we routinely find mammoth ivory. Sometimes just small pieces, sometimes complete tusks. I have purchased one from my employer, and try as I might, I have been unable to find any information on curing, or drying, the tusk before treating with butvar-76 or similar. This tusk is over nine feet long, weighs 85#, and is a beautiful specimen from a mature female wooly mammoth. The bark is a rich mahogany color, mottled with blue and ivory patches. It is obviously worth a small fortune, and I would like to preserve it as best as possible. Other tusks I have seen, will crack and deform as they dry. I want to minimize this as much as possible. I have heard of techniques such as banding with hose clamps, wrapping with burlap and keeping moist, even burying for a period of time, or a combination of these. What have others done with large tusks? How much moisture is acceptable before treating with acetone and butvar-76? Will the solution draw out moisture from deep inside the tusk, or will that water remain trapped there? This one has been out of the ground for less than two weeks. Thanks for any help! Here's another, my tusk is the one in the foreground.
  17. Bison tooth?

    Found this on the beach today. Located in Nome, Alaska, right on the Bering Sea. No bovines to be found here.
  18. On the beach

    Hello, Found this on the beach here in Shishmaref, Alaska. I have doubts that it is terribly old, but then again, there are fossils found here quite often. It's just that the location...seems like someone would have picked it up by now. I found it right at the head of one of the main beach access trails. It is heavier than I would expect of regular bone of this size, though, and it is very hard. Any thoughts or suggestions? Thanks!
  19. Extinction of Mainland and Island Mammoth Populations in Alaska 6,000 Years Ago, Royal Tyrrell Museum Speaker Series 2017 Dr. Duane Froese, University of Alberta, presents new research on the extinction of mammoths and other megafauna from Arctic North America and the causes of the final extinction of a population on St. Paul Island, Alaska, about 6000 years ago. Some of the papers referenced in the talk are: Graham, R.W., Belmecheri, S., Choy, K., Culleton, B.J., Davies, L.J., Froese, D., Heintzman, P.D., Hritz, C., Kapp, J.D., Newsom, L.A. and Rawcliffe, R., 2016. Timing and causes of mid-Holocene mammoth extinction on St. Paul Island, Alaska. Proceedings of the National Academy of Sciences, p. 9310–9314. Guthrie, R.D., 2006. New carbon dates link climatic change with human colonization and Pleistocene extinctions. Nature, 441(7090), pp. 207-209. Palkopoulou, E., Dalén, L., Lister, A.M., Vartanyan, S., Sablin, M., Sher, A., Edmark, V.N., Brandström, M.D., Germonpré, M., Barnes, I. and Thomas, J.A., 2013, November. Holarctic genetic structure and range dynamics in the woolly mammoth. In Proc. R. Soc. B (Vol. 280, No. 1770, 9 pp.) The Royal Society. Yours, Paul H.
  20. Alaska Mammoth Tusks

    From the album Fossil Diagrams

  21. Is this a fossil?

    Hi. I'm new to the Forum, but would like some opinions about this object I found here in Alaska. It was found in a tidal creek in an estuary in southcentral Alaska. The estuary surface is a mix of gravel, mud, and glacial silt. I've shown this to various local experts, and most think it is some kind of broken fossil, but a few think it isn't a fossil at all. Any thoughts would be appreciated.
  22. First dinosaur bones found in Denali National Park by Theresa Bakker, PhysOrg, October 18, 2016 http://phys.org/news/2016-10-dinosaur-bones-denali-national.html First Dinosaur Fossils Discovered in Alaska's Denali National Park, Smithsonian, October 20,2016 https://www.adn.com/alaska-news/science/2016/10/18/first-dinosaur-bones-found-in-denali-national-park/ Denali Dinos: Ancient Bones Are First of Their Kind in National Park, Alaska Dispatch News, Oct. 18, 2016 https://www.adn.com/alaska-news/science/2016/10/18/first-dinosaur-bones-found-in-denali-national-park/ Dinosaur Bones Discovered in Denali National Park Live Science, Laura Geggel, Oct. 19, 2016 http://www.livescience.com/56552-first-dinosaurs-bones-found-in-denali.html Photos: See the 1st Dinosaur Bones Ever Found in Alaska's Denali National Park, Live Science, Oct. 19, 2016 http://www.livescience.com/56549-photos-denali-dinosaurs.html Yours, Paul H.
  23. Elasmosaur

    http://www.livescience.com/51736-ancient-reptile-fossil-elasmosaur.html In the news: Do we have Alaskan TFF members. What finds are hidng up there in cold country? https://en.wikipedia.org/wiki/Elasmosaurus Looks like some pretty impressive teeth...
  24. Hello everyone, I need some help identifying this bone/fossil, which was found in the Yukon river delta (near the sea) in Alaska. It seems to be rather dense and heavy. The white inner core feels chalky and is detachable from the outer light brown portion. The light brown portion feels smooth. There is a concentric zigzag pattern featured in the cross section. Any input is appreciated! Sincerely, Jay
  25. New Tyrannosaur From Alaska

    An article regarding the discovery of a new T-rex relative from Alaska: http://www.science20.com/news_articles/nanuqsaurus_hoglundi_alaskas_pigmy_t_rex-131592 The timing of the description of Nanuqsaurus surprised me, but it's no surprise that N. hoglundi shows that the diversity of Edmontonian tyrannosaurs was greater than previously thought, given that Albertosaurus and Nanuqsaurus lived about the same time and belong to different subfamilies of T. rex. The discovery of Nanuqsaurus also lends support to the hypothesis that the ancestors of T. rex emigrated to North America from Asia via Beringia. The article describing Nanuqsaurus is as follows: Anthony R. Fiorillo & Ronald S. Tykoski (2014)A Diminutive New Tyrannosaur from the Top of the World.PLoS ONE 9(3): e91287.doi:10.1371/journal.pone.0091287http://www.plosone.org/article/info%3Adoi%2F10.1371%2Fjournal.pone.0091287
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