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Showing results for tags 'neoproterozoic'.
Found 7 results
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When did Life Arrive on Land? (Organic-walled microfossils, *FUNGI* Arctic, Canada)
Oxytropidoceras posted a topic in Fossil News
How Did Life Arrive on Land? A Billion-Year-Old Fungus May Hold Clues A cache of microscopic fossils from the Arctic hints that fungi reached land long before plants. Carl Zimmer, New York Times, May 22, 2019 https://www.nytimes.com/2019/05/22/science/fungi-fossils-plants.html The paper is: Loron, C.C., Rainbird, R.H., Turner, E.C., Greenman, J.W. and Javaux, E.J., 2019. Organic-walled microfossils from the late Mesoproterozoic to early Neoproterozoic lower Shaler Supergroup (Arctic Canada): Diversity and biostratigraphic significance. -
Neoproterozoic glacial origin of the Great Unconformity
Oxytropidoceras posted a topic in Fossil News
Researchers suggest missing crust layer can be blamed on 'Snowball Earth' January 3, 2019 by Bob Yirka, Phys.org https://phys.org/news/2019-01-crust-layer-blamed-snowball-earth.html Around the world, miles of rock are missing. Could ‘Snowball Earth’ be the culprit? by Julian Rosen, Los Angeles Times, January 3, 2019 https://www.latimes.com/science/sciencenow/la-sci-sn-snowball-earth-geology-20190103-story.html the paper is: C. Brenhin Keller et al. Neoproterozoic glacial origin of the Great Unconformity, Proceedings of the N-
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- snowball earth
- great unconformity
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Beaverhead Impact and the Haggerman Horse (part 1)
GeneralAnesthetic posted a topic in Fossil Hunting Trips
About 3 years ago I was walking along the dunes by the river, across from Farewell Bend State park on the Idaho side. I noticed that there was what looked to be an abnormal amount of crystallized and glassy material, conglomerates, basalt and lots of sand. The sand can be explained by the presence of mud volcanos and hydrothermal vents that can be seen in satellite photos. My premature analysis and imagination were wild with fantasy. The samples I was collecting were like nothing I've ever seen. I knew something was up, but there were and are, still more questions to answer. Idaho Falls sits a -
Scientists Just Found The Cause of Earth's First Global Warming That Triggered Mass Extinctions Michelle Starr, Science Alerts, July 3, 2018 https://www.sciencealert.com/world-s-first-animals-cambrian-explosion-global-warming-mass-extinction World's first animals caused global warming University of Exeter, PhysOrg, July 2, 2018, https://phys.org/news/2018-07-world-animals-global.html https://www.sciencedaily.com/releases/2018/07/180702094038.htm http://www.exeter.ac.uk/news/featurednews/title_667955_en.html The abstract is at:
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- sulfur isotopes
- carbon isotopes
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nasdalgemmolmineralopetrography919.pdf
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Single-celled eukaryote fossil with evidence of mineralizing found in Yukon by Bob Yirka, June 29, 2017 https://phys.org/news/2017-06-single-celled-eukaryote-fossil-evidence-mineralizing.html Precursor of teeth and bones discovered in 810-million-year old fossils. Single-celled fossils found in Canada show the earliest evidence of a tissue-hardening process known as biomineralisation, writes Andrew Masterson, Cosmos. https://cosmosmagazine.com/palaeontology/precursor-of-teeth-and-bones-discovered-in-810-million-year-old-fossils The paper is
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- fifteenmile group
- yukon
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Bulldozers threaten what may be the world’s oldest animal fossils By Kathleen McLaughlin, Science, Apr. 20, 2017 http://www.sciencemag.org/news/2017/04/bulldozers-threaten-what-may-be-world-s-oldest-animal-fossils The Ediacaran Doushantuo Formation - the Hunt for Precambrian Life http://www.fossilmuseum.net/Fossil_Sites/doushantuo.htm https://en.wikipedia.org/wiki/Doushantuo_Formation http://palaeos.com/proterozoic/neoproterozoic/ediacaran/doushantuo.htm Yours, Paul H.
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- doushantuo lagerstätte
- neoproterozoic
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