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Showing results for tags 'zircons'.
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Oxytropidoceras posted a topic in Fossil NewsScientists find oldest fossil of a land animal Millipede-like creature lived in Scotland 425 million years ago, Thomson Reuters, Jun 01, 2020 https://www.cbc.ca/news/technology/oldest-land-animal-1.5592917 M. E. Brookfield , E. J. Catlos & S. E. Suarez, 2020, Myriapod divergence times differ between molecular clock and fossil evidence: U/Pb zircon ages of the earliest fossil millipede-bearing sediments and their significance, Historical Biology Received 26 Feb 2020, Accepted 27 Apr 2020, Published online: 15 May 2020 https://www.researchgate.net/publication/341358567_Historical_Biology_Myriapod_divergence_times_differ_between_molecular_clock_and_fossil_evidence_UPb_zircon_ages_of_the_earliest_fossil_millipede-bearing_sediments_and_their_significance_Myriapod_diver https://www.researchgate.net/publication/341420627_Myriapod_divergence_times_differ_between_molecular_clock_and_fossil_evidence_UPb_zircon_ages_of_the_earliest_fossil_millipede-bearing_sediments_and_their_significance https://www.researchgate.net/profile/Elizabeth_Catlos https://www.tandfonline.com/doi/abs/10.1080/08912963.2020.1762593?journalCode=ghbi20 Yours, Paul H.
What Fossils Alone Can’t Explain About Dinosaurs When time is measured in 10-million-year blocks, the lines between ecosystems and animals that would never have coexisted can get blurry. Laura Poppick, The Atlantic, August 17, 2019 https://www.theatlantic.com/science/archive/2019/08/paleontology-precision-problem/596176/ Yours, Paul H.
Oxytropidoceras posted a topic in Fossil NewsGeology: Tiny zircon crystals help trace the birth of the mighty Mississippi By Dale Gnidovec, The Columbus Dispatch, Nov 11, 2018 https://www.dispatch.com/news/20181111/geology-tiny-zircon-crystals-help-trace-birth-of-mighty-mississippi Potter-McIntyre, S.L., Breeden, J.R. and Malone, D.H., 2018. A Maastrichtian birth of the Ancestral Mississippi River system: Evidence from the U-Pb detrital zircon geochronology of the McNairy Sandstone, Illinois, USA. Cretaceous Research. Volume 91, November 2018, Pages 71-79 https://www.sciencedirect.com/science/article/pii/S0195667117305414 Yours, Paul H.