[meteorite-list] Two million-year long meteorite record found in Atacama Desert, Chile

From: almitt2 at localnet.com <almitt2_at_meteoritecentral.com>
Date: Sat, 25 May 2019 08:28:21 -0400
Message-ID: <20190525082821.s6q4m77ny8g84c0w_at_webmail.localnet.com>

Greetings,

 From what they found it would indicate a fall of one meteorite every
4,504 years on a square kilometer. Only problem I see with this, would
be, there has to be a quantity of meteorites buried beneath the desert
below their findings. So the rate could be several times higher. Some
specimens that fell in the area at that time may have come down in dust
as well leaving no trace.
Very interesting research none the less.
--AL MitterlingMitterling Meteorites

   Quoting Paul via Meteorite-list <meteorite-list at meteoritecentral.com>:

> Oldest meteorite collection on Earth found in one
> of the driest places, Geological Society of America
> Sciencedaily, May 23, 2019
> https://www.sciencedaily.com/releases/2019/05/190523130200.htm
>
> Earth's Oldest Meteorite Collection Just Found
> ??in the Driest Place on the Planet
> By Brandon Specktor, May 24, 2019
> https://www.livescience.com/65558-atacama-desert-has-meteors-for-days.html
>
> The paper is:
>
> A. Drouard, J. Gattacceca, A. Hutzler, P. Rochette, R.
> Braucher, D. Bourl??s, ASTER Team, M. Gounelle, A.
> Morbidelli, V. Debaille, M. Van Ginneken, M.
> ??Valenzuela, Y. Quesnel, R. Martinez. The meteorite
> flux of the past 2 m.y. recorded in the Atacama
> Desert. Geology, May 22, 2019. Open Access
> https://pubs.geoscienceworld.org/gsa/geology/article/570818/the-meteorite-flux-of-the-past-2-m-y-recorded-in
> https://arxiv.org/abs/1904.12644
>
> Yours,
>
> Paul H.

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Received on Sat 25 May 2019 08:28:21 AM PDT