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Found 9 results

  1. Life in maars: why it’s worth protecting a spectacular fossil site NZ almost lost to commercial mining interests John G. Gordan and otehrs, The Conversation, July 20, 2023 Foulden Maar: Dunedin City Council saves fossil site from mining by buying land RNZ, February2, 2023 Saving Foulden Maar-GSNZ lnvolvement Daphne Lee, Bruce W Hayward and Jennifer Eccles GSNZ Geoheritage Subcommittee Bruce Hayward publications A book on this site is: Lee, D., Kaulfuss, U. and Conran, J., 2022. Fossil Treasures of Foulden Maar: A Window Into Miocene Zealandia. Otago University Press. Yours, Paul H.
  2. 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.
  3. What caused the ice ages? Tiny ocean fossils offer key evidence Liz Fuller-Wright, Office of Communications,Dec. 10, 2020 https://www.princeton.edu/news/2020/12/10/what-caused-ice-ages-tiny-ocean-fossils-offer-key-evidence The paper is; Ai, X.E., Studer, A.S., Sigman, D.M., Martínez-García, A., Fripiat, F., Thöle, L.M., Michel, E., Gottschalk, J., Arnold, L., Moretti, S. and Schmitt, M., 2020. Southern Ocean upwelling, Earth’s obliquity, and glacial-interglacial atmospheric CO2 change. Science, 370(6522), pp.1348-1352. Yours, Paul H.
  4. No volcanic winter in East Africa from ancient Toba eruption. The supereruption 74,000 years ago did not trigger major environmental disruption that caused human populations in East Africa to decline, say geoscientists. University of Arizona, February 6, 2018 https://www.sciencedaily.com/releases/2018/02/180206151850.htm https://uanews.arizona.edu/story/no-volcanic-winter-east-africa-ancient-toba-eruption The paper is: Chad L. Yost, Lily J. Jackson, Jeffery R. Stone, Andrew S. Cohen. Subdecadal phytolith and charcoal records from Lake Malawi, East Africa imply minimal effects on human evolution from the ∼74 ka Toba supereruption. Journal of Human Evolution, 2018; 116: 75 DOI: 10.1016/j.jhevol.2017.11.005 https://www.researchgate.net/publication/323019180_Subdecadal_phytolith_and_charcoal_records_from_Lake_Malawi_East_Africa_imply_minimal_effects_on_human_evolution_from_the_74_ka_Toba_supereruption https://www.geo.arizona.edu/sites/www.geo.arizona.edu/files/135 Yost et al 2018 Toba Malawi Jour Human Evol.pdf https://www.sciencedirect.com/science/article/abs/pii/S0047248417302750?via%3Dihub Also, there is: Modern humans flourished through ancient supervolcano eruption 74,000 years ago. University of Cape Town, March 12, 2018 https://www.sciencedaily.com/releases/2018/03/180312132956.htm https://www.bbc.com/news/science-environment-43377960 The paper is: Eugene I. Smith, Zenobia Jacobs, Racheal Johnsen, Minghua Ren, Erich C. Fisher, Simen Oestmo, Jayne Wilkins, Jacob A. Harris, Panagiotis Karkanas, Shelby Fitch, Amber Ciravolo, Deborah Keenan, Naomi Cleghorn, Christine S. Lane, Thalassa Matthews, Curtis W. Marean. Humans thrived in South Africa through the Toba eruption about 74,000 years ago. Nature, 2018; DOI: 10.1038/nature25967 https://digitalscholarship.unlv.edu/geo_fac_articles/145/ https://www.nature.com/articles/nature25967 Yours, Paul H.
  5. Yale University. "In death of dinosaurs, it was all about the asteroid -- not volcanoes." ScienceDaily. ScienceDaily, 16 January 2020. https://www.sciencedaily.com/releases/2020/01/200116141708.htm Meteorite or Volcano? New Clues to the Dinosaurs’ Demise Twin calamities marked the end of the Cretaceous period, and scientists are presenting new evidence of which drove one of Earth’s great extinctions. New York Times, January 16, 2020 https://www.nytimes.com/2020/01/16/science/dinosaurs-extinction-meteorite-volcano.html The paper is: Hull, P.M., Bornemann, A., Penman, D.E., Henehan, M.J., Norris, R.D., Wilson, P.A., Blum, P., Alegret, L., Batenburg, S.J., Bown, P.R. and Bralower, T.J., 2020. On impact and volcanism across the Cretaceous- Paleogene boundary. Science, 367(6475), pp.266-272. https://science.sciencemag.org/content/367/6475/266.abstract Yours, Paul H.
  6. Scientists use ancient marine fossils to unravel longstanding climate puzzle by Cardiff University https://phys.org/news/2020-01-scientists-ancient-marine-fossils-unravel.html Ancient marine fossils reveal how rising sea levels trapped carbon in the oceans preventing extinction-level global warming 14 million years ago. Fossil records suggest high levels of carbon was captured in ocean sediment. Significant volcanic activity had previously led to extinction level events. RyanMorrison, Daily Mail, January 9, 2020 https://www.dailymail.co.uk/sciencetech/article-7869605/Ancient-marine-fossils-used-study-previous-global-warming-events.html The Open Access paper is: Sosdian, S., Babila, T.L., Greenop, R., Foster, G.L. and Lear, C., 2019. Ocean Carbon Storage across the middle Miocene: A new interpretation for the Monterey Event. Nature Communications. https://www.nature.com/articles/s41467-019-13792-0 Yours, Paul H.
  7. Redd, N. T. (2019), Earth’s eccentric orbit helped preserve rare soft-tissue fossils, Eos, 100, https://doi.org/10.1029/2019EO121853. Published on 26 April 2019. https://eos.org/articles/earths-eccentric-orbit-helped-preserve-rare-soft-tissue-fossils The paper is: Saleh, Farid, Bernard Pittet, Jean-Philippe Perrillat, and Bertrand Lefebvre. "Orbital control on exceptional fossil preservation." Geology 47, no. 2 (2018): 103-106. https://www.researchgate.net/publication/329988029_Orbital_control_on_exceptional_fossil_preservation https://www.researchgate.net/profile/Bernard_Pittet https://www.researchgate.net/profile/Bertrand_Lefebvre2 https://pubs.geoscienceworld.org/gsa/geology/article/47/2/103/567985/orbital-controlon- exceptional-fossil-preservation Yours, Pahl H.
  8. 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.
  9. 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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