A CAI in a carbonaceous chondrite? Comments are welcome!
http://ca.pg.photos.yahoo.com/ph/voltage_contrast/album?.dir=/bd24re2
Hello Charles and List,
A CAI in a carbonaceous chondrite? Where else if not in a carbonaceous
chondrite? CAI's are very common in carbonaceous chondrites and pretty
rare in non-carbonaceous chondrites!
So the problem is probably: Are there CAI's in Tagish Lake? Yes, there are:
1) ZOLENSKY M.E. et al. (2000) Tagish Lake: A special new type two
carbonaceous chondrite fall (MAPS 35-5, 2000, Suppl., A178-A179):
"... altered CAIs (up to 2 mm) ... The CAI has the sinuous texture
typical of CMs, but is almost completely altered to phyllosilicates"
2) Meteoritical Bulletin, No. 84, 2000 August:
"... a few small chondrules, CAIs, and isolated grains ..."
Best wishes,
Bernd
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