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Aiquile, H5

On November 20, 2016, a bright daytime fireball split the sky above Aiquile, Bolivia.  A local named Hugo Cardona quickly snagged a …

What are CAIs?

CAIs. Calcium aluminum inclusions. What’s so special about them and why do we talk about them so much? Well, many people talk …

chondrite classification

From the chondrite information page, the petrographic classification scheme works kind of like this: completely altered by water into clay (no known …

Australite, Tektite

At 6.1 grams, this is one of the larger complete examples I have seen.  It exhibits wonderful contraction cracking and a very …

Arispe, Mexico

Here are some photos from a 2003 expedition to Arispe.  Unfortunately, we didn’t find any meteorites, but it was a memorable trip …