[meteorite-list] Shocked Quartz Found at Upheaval Dome, Utah

From: mmorgan at mhmeteorites.com <mmorgan_at_meteoritecentral.com>
Date: Mon, 24 Mar 2008 16:51:16 +0000
Message-ID: <2054412986-1206377830-cardhu_decombobulator_blackberry.rim.net-1559332697-_at_bxe032.bisx.prod.on.blackberry>

really makes me wonder how much shocked quartz could be found as "background". I am not saying that about this study, but from a curiosity.

Matt
----------------------
Matt Morgan
Mile High Meteorites
http://www.mhmeteorites.com
P.O. Box 151293
Lakewood, CO 80215 USA

-----Original Message-----
From: Paul <bristolia at yahoo.com>

Date: Mon, 24 Mar 2008 09:35:10
To:meteorite-list at meteoritecentral.com
Subject: [meteorite-list] Shocked Quartz Found at Upheaval Dome, Utah


Buchner, E., and T. Kenkmann, 2008, Upheaval Dome, Utah, USA:
Impact origin confirmed. Geology. vol.36, no. 3, pp. 227-230.

In part, this abstract stated:

?In this study, we document, for the first time, shocked
quartz grains from this crater in sandstones of the
Jurassic Kayenta Formation. The investigated grains
contain multiple sets of decorated planar deformation
features. ... The shocked quartz grains were found in
the periphery of the central uplift in the northeastern
sector of the crater, which most likely represents the
cross range crater sector.?

http://www.gsajournals.org/perlserv/?request=get-abstract&doi=10.1130%2FG24287A.1

Yours,

Paul H.






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Received on Mon 24 Mar 2008 12:51:16 PM PDT