My pleasure, Jim!
> Would it be safe to say if I see polysynthetic
> twinning, odds are it's low-Ca cpx, ...
No, you might also be looking at multiple twinning of
plagioclase but in that case you may be pretty sure it
is *not* an unmetamorphosed chondrite!
Bernd
To: jim.woodd...@suddenlink.net
entral"
Sent: Saturday, February 22, 2014 1:39 PM
Subject: [meteorite-list] Re-2: Types of twinning in chondrites?
My pleasure, Jim!
Would it be safe to say if I see polysynthetic
twinning, odds are it's low-Ca cpx, ...
No, you might also be looking at multiple twinning of
plagioclase
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