Sensation: Birthplace Of Alh84001 Pinpointed!, MGS and MO finds the original home Options

[SigurRosFan]

Birthplace of famous Mars meteorite pinpointed

http://www.newscientist.com/article.ns?id=dn8004

--- "There was only this one place, in all the places we can look that aren't too dusty, that had a composition that was consistent with the ALH84001." ---

The site is in the Eos Chasma and there is a crater about 20 kilometers in diameter.

[dilo]

Hate to say it, but someone else already made a new thread on this!...
http://www.unmannedspaceflight.com/index.p...indpost&p=20705

[SigurRosFan]

Thanks dilo.

... and this new release is a update of a older news.

http://www.higp.hawaii.edu/~hamilton/paper...milton_MaPS.pdf (Received 18 October 2002, revision accepted 28 April 2003)

--- ALH 84001 is composed almost entirely (97 vol%) of orthopyroxene (Mason et al. 1992). A small region (625 km²) in Eos Chasma was identified as having a spectral component like the ALH 84001 end member ... ---

http://www.higp.hawaii.edu/~hamilton/snc_maps.html (interesting map materials)

[SigurRosFan]

Two graphics ...

http://xs46.xs.to/pics/05376/mars_meteorite_eos_chasma.jpg

http://xs46.xs.to/pics/05376/mars_meteorit...te_overview.jpg

Home sweet home:

[SigurRosFan]

But where is the 20 km crater, Victoria?

[Bob Shaw]

It's all very well, but the important point is that the area identified was the only one with a similar composition which wasn't too dusty. I'll buy 'like the source', but there's zero evidence for the chosen loaction being 'the' source!