I thought that the presence of Quartz was a good indication
that the rock was not a meteorite !
Now it seems that at least the 4 Vesta meteorites can have
some Quartz in them?
Pete
IMCA 1733
- Original Message -
From: Jerry Flaherty g...@verizon.net
To:
Hello,
HED meteorites contain often a silica phase... Anyway, the crust of Vesta is
commonly thought to be made of basalts (eucrites) and mafic or ultramafic
cumulates (diogenites and cumulate eucrites). We have studied a few howardites
and found impact glass beads. Some of these glasses are
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