[meteorite-list] Looking for Happy meteorite goodness
Jason Utas
meteoritekid at gmail.com
Wed Oct 30 18:00:26 EDT 2013
Hello All,
Gao, Chergach, Pultusk, and other ordinary chondrites often have their
impact melt portions ignored when being characterized. Chelyabinsk
would be the most recent obvious example of this -- "LL5 S4 W0"
Except, when you read the petrographic description:
"...A significant portion (1/3) of the stones consist of a dark,
fine-grained impact melt containing mineral and chondrule fragments.
Feldspar is well developed and practically isotropic. No high-pressure
phases were found in the impact melt. There are black-colored thin
shock veins in both light and dark lithologies."
http://www.lpi.usra.edu/meteor/metbull.php?code=57165
We collectors see impact melt and think it's cool, but it's secondary
information for the classification, I think.
Regards,
Jason
www.fallsandfinds.com
On Wed, Oct 30, 2013 at 6:35 AM, Jim Wooddell
<jim.wooddell at suddenlink.net> wrote:
> On 10/30/2013 6:02 AM, Marc Fries wrote:
>>
>> Let me try that again with a more accurate Subject line...
>> Hi Marc!
>
> Looking at the pictures and the lack of information in the bulletin, this
> one would be worthy of another stab at classification! Happy (b) and (c)
> could use some new work too!
>
>
>
> Jim
>
>
>
>
>> On Oct 29, 2013, at 11:27 AM, Marc Fries wrote:
>>
>>> Howdy all
>>>
>>> I'm looking for a meteorite to buy or borrow for a scientific study.
>>> Does anyone have a piece of Happy(a)? It is listed as an H3 but appears to
>>> be an impact melt, at least in part. Please contact me off-list at
>>> mfries8 at hotmail.com
>>>
>>> Cheers,
>>> Marc Fries
>>>
>
>
> --
> Jim Wooddell
> jim.wooddell at suddenlink.net
> http://pages.suddenlink.net/chondrule/
>
>
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