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Showing results for tags 'antarctica'.
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is it possible that the fossil mosses such fresh-looking
qinxingyuan posted a topic in General Fossil Discussion
According to the author（https://doi.org/10.1073/pnas.0802501105） the fossils are persevering in moss peat, but not mention how to separate the mosses from the matrix
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Hey, I found this bone-looking fossil while on a hike on James Ross Island in Antarctica. As many other fossils have been found in the area, I’m wondering if anyone can help identify this? We had strict rules not to remove anything from Antarctica, so I’ve left the fossil where I found it. Sorry for the lack of measurement.
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Although rare, fossils from Antarctica do occasionally show up on the market, usually collected by old expeditions. I know of petrified wood, shark teeth and some invertebrate material in private collections, assuming the provenance is genuine. Does anyone else here know more about this?
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A new discovery in Antarctica, which shows some extraordinary capacity of polar trees http://www.independent.co.uk/news/science/antarctica-fossil-forests-280-million-year-old-trees-erik-gulbranson-john-isbell-university-of-a8158441.html
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Glacial rocks reveal the geology hidden beneath the East Antarctica Ice Sheet
Oxytropidoceras posted a topic in Geology
Glacial rocks reveal the geology hidden beneath the East Antarctica Ice Sheet Syracuse University, PhysOrg, March 6, 2023 The open access paper is: Fitzgerald, P.G., Goodge, J.W. Exhumation and tectonic history of inaccessible subglacial interior East Antarctica from thermochronology on glacial erratics. Nat Commun 13, 6217 Yours, Paul H. -
Cone shaped thing in matrix from Seymour Island, Antarctica
David Cothran posted a topic in Fossil ID
Near the K-T boundary there; below, I think. A solitary rugose coral? But the striations look wrong to me. Loose on surface.
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I do not have a large fossil/rock collection, but what I do have I am proud of. This is my rarest piece I have. It is a piece of petrified wood from The Allan Hills, Antarctica. During the 2001-02 summer I was fortunate enough to land a job as a janitor at McMurdo and was night janitor at Crary Science Lab. So a guy I know had went out to do work in the area and brought back samples. He was like, "you want some petrified wood?" I happily took it not knowing at the time how rare and hard this was to get. Also, this is a rather large piece, being about the size of the palm of my hand and while we moved it split along a weak plane falling into two pieces. It was ok, because I can display it better now. I have some other rocks from Antarctica I will show at some point. Since my collection is small I will spread it out over time.
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A meteorite exploded in the air above Antarctica 430,000 years ago By Katie Hunt, CNN, March 31, 2021 Major Meteoritic Event Occurred over Antarctica 430,000 Years Ago Researchers have found meteoritic spherules on top of Walnumfjellet in the Sør Rondane Mountains, Antarctica. News Staff, Sci News, April 1, 2021 Fiery 'airburst' of superheated gas slammed into Antarctica 430,000 years ago. Nicoletta Lanese, Live Science, March 31, 2021 The paper is: Van Ginneken, M., Goderis, S., Artemieva, n., et al., 2021, A large meteoritic event over Antarctica ca. 430 ka ago inferred from chondritic spherules from the Sør Rondane Mountains. Science Advances. Vol. 7, no. 14, eabc1008, DOI: 10.1126/sciadv.abc1008 Yours, Paul H.
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Flying Dinosaur (Avian) With 6.4 Meter Wingspan from Antarctica
Scylla posted a topic in Fossil News
Birds with 21 foot wingspan found in Antarctica https://phys.org/news/2020-10-antarctica-yields-oldest-fossils-giant.html- 2 replies
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Can Antarctic meteorite explain the mystery of life's weird asymmetry
Oxytropidoceras posted a topic in Fossil News
Astonishingly old Antarctic space rock could explain mystery of life's weird asymmetry By Meghan Bartels, SpaceCom, August 21, 2020 https://www.space.com/pristine-antarctic-meteorite-amino-acid-chirality.html Pristine Space Rock Offers NASA Scientists Peek at Evolution of Life’s Building Blocks By Lonnie Shekhtman, NASA’s Goddard Space Flight Center, Greenbelt, Md., August 21, 2020 https://www.nasa.gov/feature/goddard/2020/pristine-space-rock-offers-nasa-scientists-peek-at-evolution-of-life-s-building-blocks The paper is: Daniel P. Glavin Hannah L. McLain Jason P. Dworkin Eric T. Parker and others, 2020 Abundant extraterrestrial amino acids in the primitive CM carbonaceous chondrite Asuka 12236 First published: 20 August 2020 https://doi.org/10.1111/maps.13560 https://onlinelibrary.wiley.com/doi/abs/10.1111/maps.13560 Yours, Paul H.-
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Antarctic meteorites yield global bombardment rate By Jonathan Amos, BBC News, April 30, 2020 https://www.bbc.com/news/science-environment-52465237 This open access paper is: G.W. Evatt, A.R.D. Smedley, K.H. Joy, L. Hunter, W.H. Tey, I.D. Abrahams, and L. Gerrish, 2020, The spatial flux of Earth’s meteorite falls found via Antarctic data. geology. https://pubs.geoscienceworld.org/gsa/geology/article/doi/10.1130/G46733.1/584575/The-spatial-flux-of-Earth-s-meteorite-falls-found Yours, Paul H.
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I mean the fossil is frozen, not the frog. 40 million year old frog fossil found on the Antarctic Peninsula shows Antarctica was warm enough for frogs at that time. https://www.google.com/amp/s/www.sciencenews.org/article/first-frog-fossil-antarctica-found-ancient-climate/amp
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A new Antartica find! https://www.google.ca/amp/s/www.express.co.uk/news/science/1269192/antarctica-rainforest-dinosaur-CT-scan-below-ice-climate-change-south-pole-spt/amp.
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'Traces of ancient rainforest in Antarctica point to a warmer prehistoric world' https://www.imperial.ac.uk/news/196516/traces-ancient-rainforest-antarctica-point-warmer/
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All this fossil needs is Buffalo sauce! https://www.thejakartapost.com/amp/life/2020/03/15/fossil-of-43-million-year-old-penguin-skin-found-in-argentina.html
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British scientists try to find Antarctica's "missing meteorites"
Oxytropidoceras posted a topic in Rocks & Minerals
Antarctica: Metal meteorite quest set to get under way By Jonathan Amos, BBC Science, November 29, 2019 https://www.bbc.com/news/science-environment-50549855 https://www.bbc.com/news/science-environment-35587680 The Mystery of Antarctica’s Missing Meteorites Hiding deep under the ice, iron meteorites could hold clues to the solar system’s past., The Atlantic https://www.theatlantic.com/science/archive/2019/02/hunting-for-antarcticas-lost-meteorites/583564/ Evatt, G.W., Coughlan, M.J., Joy, K.H., Smedley, A.R.D., Connolly, P.J. and Abrahams, I.D., 2016. A potential hidden layer of meteorites below the ice surface of Antarctica. Nature Communications, 7, Article number 10679. http://lindseynicholson.org/wp-content/uploads/2016/04/ncomms10679.pdf https://www.nature.com/articles/ncomms10679 An off-topic, but still interesting article is: Scientists Recreated Volcanic Lightning by Blasting Ash Out of a Cannon Robin George Andrews, Gizmodo, November 29, 2019 https://gizmodo.com/scientists-recreated-volcanic-lightning-by-blasting-ash-1840068684 Yours, Paul H.-
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McLoughlin, S., Bomfleur, B. and Thomas, M., 2016. The weird world of fossil worm cocoons. Deposits Magazine, 46, pp.399-406. https://www.researchgate.net/publication/304285376_The_weird_world_of_fossil_worm_cocoons/link/5b83a324a6fdcc5f8b6a4506/download https://www.researchgate.net/profile/Stephen_Mcloughlin http://www.diva-portal.org/smash/get/diva2:1047133/FULLTEXT02 McLoughlin, S., Bomfleur, B., Mörs, T. and Reguero, M., 2016. Fossil clitellate annelid cocoons and their microbiological inclusions from the Eocene of Seymour Island, Antarctica. Palaeontologia Electronica, 19(1), pp.1-27. https://palaeo-electronica.org/content/in-press/1448-eocene-annelid-cocoons https://palaeo-electronica.org/content/pdfs/607.pdf Yours, Paul H.
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Below is a fascinating lecture about Antarctica and sea level. The Big Antarctic Freeze, Geological Society of London Public Lectures 2019: Professor Carrie Lear, Cardiff University Published on Sep 23, 2019 https://www.youtube.com/watch?v=__3wrLCdVTQ A related article is: Evidence for past high-level sea rise Mallorcan cave yields 4-million-year-old geologic evidence providing new insights into magnitude global sea level rise, University of New Mexico, August 30, 2019 https://www.sciencedaily.com/releases/2019/08/190830150751.htm The paper is: Dumitru, O.A., Austermann, J., Polyak, V.J., Fornós, J.J., Asmerom, Y., Ginés, J., Ginés, A. and Onac, B.P., 2019. Constraints on global mean sea level during Pliocene warmth. Nature, pp.1-7. https://www.nature.com/articles/s41586-019-1543-2 Yours, Paul H.
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Gelfo, J.N., Goin, F.J., Bauza, N., and Reguero, M., 2019. The fossil record of Antarctic land mammals: commented review and hypotheses for future research. Advances in Polar Science. 30(3): 251-273 doi: 10.13679/j.advps.2019.0021 (open access) http://www.aps-polar.org/paper/2019/30/03/A190814000002 PDF: http://www.aps-polar.org/paper/2019/30/03/A190814000002/full Gelfo, J.N., López, G.M. and Santillana, S.N., 2017. Eocene ungulate mammals from West Antarctica: implications from their fossil record and a new species. Antarctic Science, 29(5), pp.445-455. (open access) https://www.researchgate.net/publication/318350360_Eocene_ungulate_mammals_from_West_Antarctica_implications_from_their_fossil_record_and_a_new_species https://www.researchgate.net/profile/Javier_N_Gelfo Yours, Paul H.
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Antarctic Dinosaurs in Los Angeles Natural History Museum
Oxytropidoceras posted a topic in Fossil News
LA Scientist Nathan Smith Went To Antarctica And Brought Back Dinosaurs https://laist.com/2019/04/02/these_scientists_went_to_antarctica_and_brought_back_dinosaurs_heres_how_to_see_them.php Yours, Paul H.-
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Only the second theropod described from Antarctica Imperobator antarcticus is a Dromaeosaurid and was found in 2003 and reported in 2007 in this paper 10.1.1.546.3890.pdf Blog http://theropoddatabase.blogspot.com/2019/04/imperobator-second-named-antarctic.html Paywalled Paper describing I. antarcticus (not really important since we have other publications and blogs) https://www.sciencedirect.com/science/article/pii/S0195667118300120
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Microfossils Retrace Antarctica’s Glacial Past (Ross Sea)
Oxytropidoceras posted a topic in Fossil News
Retracing Antarctica’s Glacial Past LSU geologist uncovers new data to inform future sea level rise https://www.lsu.edu/mediacenter/news/2018/09/25gg_bart_scireports.php https://www.sciencedaily.com/releases/2018/09/180925140417.htm https://phys.org/news/2018-09-retracing-antarctica-glacial.html The open-access paper is: Bart, P.J., DeCesare, M., Rosenheim, B.E., Majewski, W. and McGlannan, A., 2018. A centuries-long delay between a paleo-ice-shelf collapse and grounding- line retreat in the Whales Deep Basin, eastern Ross Sea, Antarctica. Scientific reports, 8(1), article 12392. https://www.nature.com/articles/s41598-018-29911-8 Yours, Paul H. -
The era of sabre-toothed cats and giant sharks and climate change
Oxytropidoceras posted a topic in Fossil News
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.-
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I googled earth and took these pics of the rock formations in Antarctica. I thought they were very interesting, great formations, but didn't see any fossils.
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https://www.eurekalert.org/pub_releases/2019-01/fm-idc012319.php http://blogs.discovermagazine.com/deadthings/2019/01/31/antarctanax/?utm_source=feedburner&utm_medium=feed&utm_campaign=Feed%3A DiscoverBlogs (Discover Blogs)
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