[meteorite-list] Why doesn't Mars look like Mars?

[Martin Altmann]

Et voilá:

http://marsrovers.jpl.nasa.gov/gallery/press/opportunity/20040414a.html



-----Ursprüngliche Nachricht-----
Von: Rob McCafferty [mailto:rob_mccafferty at yahoo.com] 
Gesendet: Mittwoch, 20. Februar 2008 01:19
An: Martin Altmann; meteorite-list at meteoritecentral.com
Betreff: Re: [meteorite-list] Why doesn't Mars look like Mars?

Can you direct me to the info showing the return data
matching the shergottites? I was not aware of this (I
have a young family and full time job, I cannot read
it all). 

That, to me is fascinating evidence I was not aware
of. My understanding was that SNC probably sample only
two of sites on mars (ALHA84001 a third).
This being the case, you wouldn't necessarily expect 
our rovers to return pics like SNC

Odd only one meteorite from the ancient half of mars
(84001) so far. Is there an explanation for this? Is
it just luck of the draw? The two most recent imacts
(producing all SNC) have both been from the newer side
of Mars? How much does one theory influence the other?

Rob McC


--- Martin Altmann <altmann at meteorite-martin.de>
wrote:

> Hi E.P.
> 
> But they do!
> Remember that the rovers found indeed shergottites
> on Mars.
> Just scratch the weathering goo away and let the
> Moessbauer-proboscis smell
> on the rock - et voilá!
> http://www.jpl.nasa.gov/releases/2004/104.cfm
> 
> Best!
> Martin
> 
> -----Ursprüngliche Nachricht-----
> Von: meteorite-list-bounces at meteoritecentral.com
> [mailto:meteorite-list-bounces at meteoritecentral.com]
> Im Auftrag von E.P.
> Grondine
> Gesendet: Montag, 11. Februar 2008 02:36
> An: meteorite-list at meteoritecentral.com
> Betreff: [meteorite-list] Why doesn't Mars look like
> Mars?
> 
> Hi all - 
> 
> Looking at Fectay's really nice martian:
> 
>
http://www.geocities.com/arizonaviking2000/Tucsonshowandparty2008c081.jpg
> 
> one is left wondering, "Why doesn't Mars look like
> Mars?" Nothing remotely similar shows up in the
> images
> the rovers send down.
> 
> The answer in short would appear to be that all that
> the rovers are imaging is the surface layer, which
> is
> simply loaded with impact products, all covered with
> iron compounds from iron impactors. 
> 
> So Mars may be the red planet - but only on its
> surface.
> 
> E.P. Grondine
> Man and Impact in the Americas
> 
> 
> 
> 
> 
> 
>  
>
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