[meteorite-list] Two extraterrestrial dust horizons found in theDome Fuji ice core

From: Katsu OHTSUKA <ohtsuka_at_meteoritecentral.com>
Date: Mon, 4 Jan 2010 13:56:12 +0900
Message-ID: <EDA895C56ED745818A361721D5978861_at_KATSU>

Dear Paul,

Thank you for sharing.
All the papers of EPSL Vol.289, issues1-2, 2010 (including Misawa's paper)
would be downloadable for everyone (non-subscriber, too), as free copies.

http://www.sciencedirect.com/science?_ob=PublicationURL&_cdi=5801&_auth=y&_acct=C000050221&_version=1&_urlVersion=0&_userid=10&_pubType=J&md5=52c7e8b29221fe23b6fc7aa3ca3251f1

Katsu OHTSUKA

----- Original Message -----
From: "Paul Heinrich" <oxytropidoceras at cox.net>
To: "Meteorite List" <meteorite-list at meteoritecentral.com>
Sent: Monday, January 04, 2010 10:31 AM
Subject: [meteorite-list] Two extraterrestrial dust horizons found in
theDome Fuji ice core





Misawa, K., M. Kohno, T. Tomiyama, T. Noguchi, T. Nakamura,
K. Nagao, T.Mikouchi, and K. Nishiizumi, 2010, Two extraterrestrial
dust horizons found in the Dome Fuji ice core, East Antarctica. Earth
and Planetary Science Letters. vol. 289, no. 1-2, pp. 287-297.

http://dx.doi.org/10.1016/j.epsl.2009.11.016

In part the abstract reads,

"Two silicate-rich dust layers were found in the Dome Fuji ice core
in East Antarctica, at Marine Isotope Stages 12 and 13. Morphologies,
textures, and chemical compositions of constituent particles reveal
that they are high-temperature melting products and are of
extraterrestrial origin. Because similar layers were found approximately
2000 km east of Dome Fuji, at EPICA (European Project for Ice
Coring in Antarctica)-Dome C, particles must have rained down
over a wide area 434 and 481 ka."

Mention is also made of these dust horizons in:

Narcisi, B., J. Robert Petit, and B. Delmonte, nd, Quaternary Science
Reviews, Article in Press, Corrected Proof

http://dx.doi.org/10.1016/j.quascirev.2009.07.009

A related paper that is available online as a PDF fils is:

Duprat , J., C. Engrand , M. Maurette , G. Kurat , M. Gounelle ,
and C. Hammer, 2007, Micrometeorites from Central Antarctic snow:
The CONCORDIA collection. Advances in Space Research. vol. 39,
pp. 605?611.

Abstract at http://dx.doi.org/10.1016/j.asr.2006.05.029

PDF file at:

http://www2.mnhn.fr/hdt205/leme/doc/2007%20Duprat%20et%20al.%20ASR.pdf

Yours,

Paul H.

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Received on Sun 03 Jan 2010 11:56:12 PM PST


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