Mike Fowler wrote: "I too bought one of Andi's slices. Slice #13."
Sincere congratulations, Mike!
Mike: "Co content way too low to be a member of the IAB group"
Here are the %wt values of Co for some typical IAB irons:
Campo de Cielo = 0.43
Ocotillo = 0.47
Uruaçu = 0.46
Zapaliname = 0.457
Bulk %wt Co in Andi's iron = 0.21 (only!)
Other irons with a relatively low Co content:
Klamath Falls (IIIF) = 0.31
Clark County (IIIF) = 0.32
Obernkirchen (IVA) = 0.36
Ballarat (IAB)b= 0.36
Cerro del Inca (IIIF) = 0.379
Gan Gan (IVA) = 0.41
Kossuth (IVA) = 0.41
Raghunathpura (IIAB) = 0.41
In other words and Mike already said so: Andi's iron
has an extremely low cobalt content. There is hardly
any iron (only exceptions maybe NWA 859 [Taza],
Dronino, Saint-Aubin) that comes even close to such
an incredibly low cobalt content!
Regards,
Bernd
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meteorite-list@meteoritecentral.com
Cc: [EMAIL PROTECTED]
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