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Re: Hamada du Draa

>At 04:47 PM 2/19/98 -0500, you wrote:
>>DEVONS wrote:
>>>
>>> Hi All!  I was wondering if anyone could help me out with information on
>>> Hamada Du Draa.  Is it in fact the same meteorite as the one being sold as
>>> El Hamami Mountains?
>>>
>>Jeanne,
>>
>>Jeff Grossman was checking this question back in December for the
>Meteoritical
>>Society. I don't know if there has been a final or tentative decision.
>>
>>The two meteorites are sufficiently similar to be the same, and yet, there
>are
>>differences. Many of the differences, however, could be explained as
>>representing different portions or areas of the same body, e.g., there are
>>some sections of the Brenham pallasite with no olivine crystals, The facing
>>and trailing fusion crust of a meteorite can look entirely different.
>>
>>There is also the fact that the finders are smart enough to know they can
>>generate more interest with two different falls than they can with one.
>>
>>This will probably require detailed chemical and structural testing and some
>>back room arguing before an "official" answer is determined.
>>
>>Gene
>>
>>
>The jury is still out on this one.  It seems likely that we will all
>have to wait for the determination of cosmic-ray exposure ages, rare
>gas contents, and detailed chemical/mineralogical studies to learn
>about whether they are the same fall.  And even then, it may be
>difficult to be conclusive.  I don't know when we can expect to see
>these results, nor if anybody is planning to do the study at all.
>(If only they were carbonaceous chondrites, we'd be seeing results
>next month in Houston; unfortunately, they're lowly H5's, second
>only to L6's in fall frequency, and not of special interest.)
>
>Unless the Nomenclature Committee receives definitive evidence of
>pairing in the next two months, look for both names to appear
>in the July Meteoritical Bulletin.  At this moment, no final decision
>has been reached.
>
>Jeff


Hi Jeff

That meteorite is being sold under three different names in Tucson.  I am
at work now but I do have the third name at home.  Contact me at
meteors@flash.net and I will get you the history and the last name.  It may
take a little time to find it because I brought a ton of stuff back from
Tucson.

Mike