[meteorite-list] Awesome Shock Melted (NWA 6963) Martian Specimens

[Adam Hupe]

Nice stone, what laboratory confirmed it?  I only ask because only three 
pieces are listed in the Meteoritical Bulletin database.

https://www.lpi.usra.edu/meteor/metbull.php?sea=NWA+6963&sfor=names&ants=&falls=&valids=&stype=contains&lrec=50&map=ge&browse=&country=All&srt=name&categ=All&mblist=All&rect=&phot=&snew=0&pnt=Normal%20table&code=54565

Best Regards,

Adam


On 3/13/2018 4:54 PM, Ruben Garcia via Meteorite-list wrote:
> Hi all,
> 
> I purchased quite a few NWA 6963 Martian Specimens in Tucson -
> February 2018. After slicing and selling many of the individuals I
> came to the last one, a 40 gram specimen.  As I began to take slices
> off I started seeing inclusions that looked as if they swirled around
> the interior of the meteorite in a fluid motion. In reality the slices
> looked more like a loaf of marble rye bread than any Mars specimen I'd
> seen previously. After contacting two well known meteorite scientists
> and asking if what I was seeing was a weathering pattern they both
> informed me that it looked like shock melt. The slices listed on ebay
> have NOT been polished as sometimes a polished surface takes away the
> sharp contrast in the two lithologies.
> 
> Worth a look even if you're not looking to buy!
> https://www.ebay.com/sch/m.html?_odkw=&_ssn=mr-meteorite&item=323140487648&_osacat=0&_from=R40&_trksid=p2046732.m570.l1313.TR0.TRC0.H0.Xshock+melted+nwa+6963.TRS0&_nkw=shock+melted+nwa+6963&_sacat=0
>