In 2016, a report on further analysis of Younger Dryas boundary sediments at nine sites found no evidence of an extraterrestrial impact at the Younger Dryas boundary. Also that year, an analysis of nanodiamond evidence failed to uncover lonsdaleite or a spike in nanodiamond concentration at the YDB. See more The Younger Dryas impact hypothesis (YDIH) or Clovis comet hypothesis is a speculative attempt to explain the onset of the Younger Dryas (YD) as an alternative to the long-standing and widely accepted cause due to a … See more Proponents believe that certain microscopic debris is evidence of impact and that "black mats" of sediment are evidence of … See more In 2001, Richard Firestone and William Topping published their first version of the YDIH, "Terrestrial Evidence of a Nuclear Catastrophe in … See more The impact hypothesis has been the subject of documentaries, including Mammoth Mystery on National Geographic Explorer (2007), Journey to 10,000 BC on the History Channel (2008), Survival Earth on Channel 4 (2008), and Megabeasts' Sudden Death on See more Members of this group have been criticized for promoting pseudoscience, pseudoarchaeology, and pseudohistory, engaging in cherry-picking of data based on confirmation bias, … See more A number of other hypotheses have been put forward about the cause of the Younger Dryas climate event. Mainstream explanation The most widely accepted is that it began because of a significant reduction or shutdown of the North Atlantic "Conveyor" See more • Carolina bays – Elliptical depressions concentrated along the Atlantic seaboard of North America • Murray Springs Clovis Site – Archaeological site in Arizona, United States See more WebNov 14, 2024 · November 14, 2024 at 3:00 pm. There’s something big lurking beneath Greenland’s ice. Using airborne ice-penetrating radar, scientists have discovered a 31-kilometer-wide crater — larger than ...

Massive Flood That Caused Ancient

WebJun 18, 2012 · The textures and morphology of Younger Dryas spherules correspond to those observed in known impact events, such as the 65-million-year-old Cretaceous–Paleogene impact, the Tunguska airburst in 1908, and the 50,000-year-old Meteor Crater impact. WebNov 15, 2024 · Google Earth screen capture2: The impact site from 1 but viewed from 12+ miles, as well as two lines. The shorter red line is drawn through the impact crater to convey the ice chunk’s direction at impact. … siemens healthcare it consulting

The Evidence for the Younger Dryas Impact Hypothesis

Webimpact on the market share of U.S. firms). (3) That agencies seek ways to increase understanding of the metric system of measurement through educational information and … WebNov 5, 2012 · Although researchers have suggested a cosmic impact might have set off this Big Freeze, the prevailing theory for the cause of the … the posy bowl lytham