Hi Michael, I have a small meteorite fragment from a fall in 2003 that was found within yards of a beach just weeks after. It had already deteriorated very badly because of the salty wet atmosphere. Pieces from further inland showed hardly any weathering...so I suspect that any meteorite containing nickel/iron (and most do) would not last long in salt water unless it was very large, and then it would also be less likely to be washed up. I think micro meteorite samples have however been recovered from sea sediments....but they are not likely to have iron in I suspect.
The regular meteor showers such as the Leonids have never had any confirmed/associated meteorites attached to them as far as I know as they are from dust trails we pass through (too small to survive). Many people have tried to look at the frequency of these showers and link them with meteorites with no definite success. Hope that helps...I do not know of any meteorite that has been recorded being washed up on the beach...anybody else on the list know? Graham Ensor, UK ---- Michael Bross <[email protected]> wrote: > > While I have heard nothing further, the linked maps suggest whatever > > survived may have splashed into Georgian Bay. > > Mark > > Hello List > > This makes me rebound on questions I had prepared for the list > > - do you know of any occurrence of a meteorite found on a beach, coming from > the ocean ? > - if not, why ? Are they not looked for ? Or are they just not "expectable" > ? > > I lived many years on Long Island (NY) and remember especially the mid 90s > with amazing tides: > El Nino + Equinox tides bringing ashore from the near coastal depths, > shells, beautiful weathered > glass pieces, stones, that we usually didn't see. > We found a 200 years old small snail like shell at Nino time. Just lying on > the beach. > Not counting old amazing Horseshoe crab shells... > > There was also the magnificent and powerful Leonid shower from 1997 (or > 1996?) > ... some meteorites must have gone to the ocean, no ? > > I am just very curious about this. > Off course the found meteorites would certainly be weathered, rounded etc... > by their > stay in the salty and rough ocean... but knowing that the undersea plateau > is wide and > long and that tides can bring up elements from this plateau floors... well, > there might be > some meteorites in it... > Or am I totally nut to think that way ? > > And this would count for most of all coastal areas in the world. > > Cheers > Michael Bross > > > > ______________________________________________ > http://www.meteoritecentral.com > Meteorite-list mailing list > [email protected] > http://six.pairlist.net/mailman/listinfo/meteorite-list ______________________________________________ http://www.meteoritecentral.com Meteorite-list mailing list [email protected] http://six.pairlist.net/mailman/listinfo/meteorite-list
