[meteorite-list] Mercurian Meteorites Low In Metal?

From: Martin Horejsi <martinh_at_meteoritecentral.com>
Date: Thu Apr 22 09:50:28 2004
Message-ID: <B8E8C2E9.2CFE%martinh_at_isu.edu>

Hello all,

I believe that Stanley Love did some work in this area. Maybe someone out
there has some references handy. Last time I spoke to Dr. Love, I believe he
indicated that the enstatite-rich achondrites were the best candidates at
the moment. In specific, the aubrites.

Cheers,

Martin



On 4/21/02 7:03 PM, "Mark Fox" <unclefireballmtf_at_yahoo.com> wrote:

> April 21, 2002
>
> Greetings Meteorite Enthusiasts!
>
> A question has emerged concerning what a Mercurian
> meteorite should look like and/or otherwise contain.
>
> While reading the recent discussions, it was stated
> that such space rocks would contain a low metal
> content. However, it is currently accepted that
> Mercury contains a rather large core of molten iron.
> Being the second smallest planet in the solar system
> and without a useful atmosphere, wouldn't such a
> planet normally be less equilibrated than Venus or
> Earth if it wasn't for its close proximity to the sun?
> To clarify this, wouldn't one expect there to be more
> free iron-nickel near or in the planet's mantle if it
> wasn't for the sun? I am guessing that to be the
> reason why such a prediction was made concerning
> Mercurian meteorites: the sun's heat causing the
> heavier elements to migrate to the core. Is this so?
> (Venus, by the way, if I read correctly and which is
> further away from the sun, is supposed to be hotter
> due to its thick clouds.)
>
> Before I go, I wish to thank Al for his input on my
> last post about the European fireballs!
>
> Long strewn fields!
>
> Mark Fox
> Newaygo, MI USA
>
>
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Received on Sun 21 Apr 2002 09:26:34 PM PDT