At the end of the Pleistocene a Younger Dryas “black mat” was deposited on top of the Pleistocene sediments in many parts of North America. A study of the magnetic fraction (~ 10,900 ± 50 B.P.) from the basal section of the black mat at Murray Springs, AZ revealed the presence of amorphous iron oxide framboids [...]
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But some bays have no peat!
“Analysis reveals that, unlike typical, peat-rich Carolina Bays, Howard Bay essentially lacks peat, diatoms, pollen, and other organic materials, and it also lacks substantial silt and clay. That suggests this Bay never held water for a sustained length of time. Furthermore, the presence of extensive [...]
I have always been curious about the lack of documented evidence for a tsunami ever occuring on my home coast of North Carolina. Some of the largest undersea land slides on earth have been documented off our wonderful Outer Banks, and earthquakes are not completely unknown in the Carolinas. Both cause big waves. But more [...]
Younger Dryas Tsunami — FULTHORPE–12-18 Ka NJ Channels–Double [...]
Below is an excerpt from the Field Notes of the Andronikov expedition to inspect the black mat in Europe. At a site just west of Lommel, Holland they find an intriguing feature (above) that some interpret as possibly being a signature of an ancient tsunami at the onset of [...]
Black Mat — Andronikov 2011–Lower Younger Dryas Boundary Europe Report (function() { var scribd = document.createElement(“script”); scribd.type = “text/javascript”; scribd.async = true; scribd.src = “http://www.scribd.com/javascripts/embed_code/inject.js”; var s = document.getElementsByTagName(“script”)[0]; s.parentNode.insertBefore(scribd, [...]
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