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

[mmorgan at mhmeteorites.com]

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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