[meteorite-list] Fw: New Issue: Granite-like rocks on Vesta

From: Pete Shugar <pshugar_at_meteoritecentral.com>
Date: Thu, 25 Jun 2009 22:56:31 -0500
Message-ID: <C1D700840F5A4FDDACCD7E68869EBBE6_at_laptop>

I thought that the presence of Quartz was a good indication
that the rock was not a meteorite !!!!!
Now it seems that at least the 4 Vesta meteorites can have
some Quartz in them?????
Pete
IMCA 1733
----- Original Message -----
From: "Jerry Flaherty" <grf2 at verizon.net>
To: <meteorite-list at meteoritecentral.com>
Sent: Thursday, June 25, 2009 8:29 PM
Subject: [meteorite-list] Fw: New Issue: Granite-like rocks on Vesta


> List/Darren you had asked once about granite. I don't remember if was a
> compositional or an origin issue.
> I do know that granite's crystaline structure results from slow cooling
> under monumental pressures [substantially 5 miles of overburden is a
> commonly mentioned denominator-often referred to as "the roots of
> mountains".
> So what if anything does this tell us about Vesta's possible history?
> Jerry Flaherty
> ----- Original Message -----
> From: "PSRD" <psrd at higp.hawaii.edu>
> To: <PSRDMAIL at soest.hawaii.edu>
> Sent: Thursday, June 25, 2009 5:03 PM
> Subject: New Issue: Granite-like rocks on Vesta
>
>
>> Announcement from Planetary Science Research Discoveries [PSRD] wedsite
>>
>> New article online: The Complicated Geologic History of Asteroid 4 Vesta
>>
>> -- Meteorites from asteroid 4 Vesta show that it contains patches of
>> granite-like rock.
>>
>> ---------
>> We invite you to:
>> READ: First summary paragraph for a quick overview
>> PRINT: pdf version
>> VIEW: short slide summary
>> ---------
>> FULL ARTICLE at:
>> http://www.psrd.hawaii.edu/June09/Vesta.granite-like.html
>> ---------
>>
>> FIND ALL THE HEADLINE ARTICLES IN OUR ARCHIVES:
>> http://www.psrd.hawaii.edu/Archive/Contents.html
>> ---------
>>
>> PSRD is an educational web site supported by NASA's SMD Cosmochemistry
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>> ---------
>> Jeff Taylor and Linda Martel
>> Hawaii Institute of Geophysics and Planetology,
>> University of Hawaii
>> psrd at higp.hawaii.edu
>> voice (808) 956-3899
>> fax (808) 956-6322
>> http://www.psrd.hawaii.edu
>
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Received on Thu 25 Jun 2009 11:56:31 PM PDT