[meteorite-list] KATOL (L6) is official

From: Karen Ziegler <kziegler_at_meteoritecentral.com>
Date: Thu, 2 Jan 2014 17:05:23 +0000
Message-ID: <CEEAE6E3.20AEA%kziegler_at_unm.edu>

Jim,

For one oxygen isotope analysis, I need way less - 1 mg is sufficient. If
there were pieces of silicate "sticking out" on Mike's sample, along the
margin of the cut side, maybe these could just be clipped/broken off?

Karen



On 1/2/14 9:07 AM, "Jim Wooddell" <jim.wooddell at suddenlink.net> wrote:
>Hi Carl,
>
>Spot on!
>
>Question: How much material is required for the oxygen isotope testing???
>
>
>When we were working on the H-Metal, the ICPMS-LA (Herd) tests completed
>on the last one used less than 100 milli-grams.
>And previous INAA (Actlabs) testing used 100 milli-grams. And, as you
>know sample size was nill!
> In either case, is not like you have to cut a third of it off. Not
>sure about the OI tests.
>
>Jim
>
>
>On 1/2/2014 8:48 AM, Carl Agee wrote:
>> Hi MikeG and All:
>>
>> The iron might be from L6 if it turns out that the few silicates in it
>> (olivine and pyroxenes) have L6 geochem. You see that in the H-metal
>> from Yucca. Of course large metal masses are probably not as commonly
>> associated with L. Also if you had oxygen isotopes of the silicate
>> inclusions from the iron or for that matter oxygen isotopes of the
>> lithologies that seem to be more like achondrite, you could start to
>> sort out if it is all from the same meteoroid.
>>
>> Carl Agee
>> *************************************
>> Carl B. Agee
>> Director and Curator, Institute of Meteoritics
>> Professor, Earth and Planetary Sciences
>> MSC03 2050
>> University of New Mexico
>> Albuquerque NM 87131-1126
>>
>> Tel: (505) 750-7172
>> Fax: (505) 277-3577
>> Email: agee at unm.edu
>> http://meteorite.unm.edu/people/carl_agee/
>>
>>
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>
>
>--
>Jim Wooddell
>jim.wooddell at suddenlink.net
>http://pages.suddenlink.net/chondrule/
>
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Received on Thu 02 Jan 2014 12:05:23 PM PST