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Showing results for tags 'yucatan'.
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Breakup of a long-period comet as the origin of the dinosaur extinction
Oxytropidoceras posted a topic in Fossil News
Astronomers: A comet fragment, not an asteroid, killed off the dinosaurs Jupiter's gravity pushed comet toward Sun; comet was ripped apart by tidal forces. Jennifer Ouellette, ArsTechnica, February 15, 2021 https://arstechnica.com/science/2021/02/astronomers-a-comet-fragment-not-an-asteroid-killed-off-the-dinosaurs/ The open access paper is: Siraj, A. and Loeb, A., Breakup of a Long-Period Comet as the Origin of the Dinosaur Extinction. Scientific Reports volume 11, Article number: 3803 (2021) https://www.nature.com/articles/s41598-021-8232 -
Life and death in the Chicxulub impact crater: A record of Paleocene-Eocene Thermal Maximum
Oxytropidoceras posted a topic in Fossil News
The open access paper is: Smith, V., Warny, S., Grice, K., Schaefer, B., Whalen, M.T., Vellekoop, J., Chenot, E., Gulick, S.P., Arenillas, I., Arz, J.A. and Bauersachs, T., 2020. Life and death in the Chicxulub impact crater: A record of the Paleocene-Eocene Thermal Maximum. Climate of the Past Discussions, pp.1-17. Related open access papers are: Smith, V., Warny, S., Jarzen, D.M., Demchuk, T., Vajda, V. and Expedition 364 Science Party, 2020. Palaeocene–Eocene miospores from the Chicxulub impact crater, Mexico. Part -
How VR Helped Archaeologists Excavate a Fossil-Rich, Water-filled, Yucatan, Cave
Oxytropidoceras posted a topic in Fossil News
How VR Helped Archaeologists Excavate a Fossil-Rich Submerged Cave NOVA, Evan Hadingham, Feb 8, 2018 http://www.pbs.org/wgbh/nova/next/tech/how-vr-helped-archaeologists-excavate-a-fossil-rich-submerged-cave/ A apper is: Collins, S.V., Reinhardt, E.G., Rissolo, D., Chatters, J.C., Blank, A.N. and Erreguerena, P.L., 2015. Reconstructing water level in Hoyo , Quintana Roo, Mexico, implications for early Paleoamerican and faunal access. Quaternary Science Reviews, 124, pp. 68-83. http://www.academia.edu/19358907/Reconstructing_water_level_in_H -
Chicxulub Impact Cooled Earth's Climate More than Previously Thought
Oxytropidoceras posted a topic in Fossil News
Asteroid impact plunged dinosaurs into catastrophic 'winter' By Jonathan Amos, BBC, October 31, 2017 http://www.bbc.com/news/science-environment-41825471 Dinosaur-killing asteroid impact cooled Earth's climate more than previously thought. PhysOrg, October 31, 2017 https://phys.org/news/2017-10-dinosaur-killing-asteroid-impact-cooled-earth.html The paper is: Artemieva, N., et al, 2017, Quantifying the Release of Climate-Active Gases by Large Meteorite Impacts With a Case Study of Chicxulub. Geophysical Research Letters (2017). D-
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How the ancient Maya brought sharks to the jungle By Annalee Newitz, Ars technica, Dec. 9, 2o016 http://arstechnica.com/science/2016/12/how-the-ancient-maya-brought-sharks-to-the-jungle/ “Inland Maya communities knew an awful lot about sharks without ever visiting the sea.” Giant Megalodon Shark Teeth May Have Inspired Mayan Monster Myths By Tom Metcalfe, Live Science http://www.livescience.com/57202-megalodon-teeth-inspired-mayan-monster-myths.html The paper is: Newman, S. E., 2016, Sharks in the jungle: real and im
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Hello fossil-hunters, My family and I might soon go to Mexico on a trip. We are probably going to stay in Puerto Aventuras, Quintana Roo (Yucatan peninsula). Do any of you know some good nearby fossil sites where we could hunt? Thanks in advance, Max
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Chicxulub Impact Crater Investigation Begins in Earnest
Oxytropidoceras posted a topic in Fossil News
Chicxulub 'dinosaur crater' investigation begins in earnest by Jonathan Amos, BBC News, October 11, 2016 http://www.bbc.com/news/science-environment-37625348 In addition, Moon impacts are more frequent and hazardous then have been previously estimated. Go see; The moon has hundreds more craters than we thought Daily News, October 12, 2016 https://www.newscientist.com/article/2108929-the-moon-has-hundreds-more-craters-than-we-thought/ How old is our Moon? Hundreds of previously unseen craters could final -
Merry Xmas and Happy New Year to all of our Fossil Friends! We took a December getaway trip to Mexico - our annual Yucatan vacation - no fossil hunting, but to my surprise, we did see a fossil sign and rock while doing a pedal-zipline through the canopy at a jungle theme park called Xel-Ha. You can see the fossil sign and a closeup of part of the rock face which has 67 million year old marine fossils - mostly coral and some shells. On previous trips we've seen some spectacular marine fossils on the roofs of caves we explored (mixed in with the bat colonies that live in the caves). Th
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