[meteorite-list] Chips Off an Old Lava Flow (Lunar Meteorite Kalahari 009)

[Adam Hupe]

I was finally able to put a finger on what has been
bothering me with the most recent press release about
Kalahari 009. I do not see how it can be called a
"Mare" basalt. Everything I have read suggests that
"Mare" Basalts can be no older than 3.9 billion years.
Kalahari 009's 4.35 billion year old age would exclude
it from be considered a "Mare" from everything I have
learned.  Perhaps somebody more knowledgeable than I
can enlighten me on this subject? To me, it is a very
old Basalt, nothing more, nothing less.

Best Regards,

Adam