6 December 2012

More xenoliths from the Boulder Batholith

Posted by Callan Bentley

The week before last, I showed you the Boulder Batholith, as it crops out southeast of Butte, Montana.

Today, I’ll share a few more photos of xenoliths (or perhaps microgranular mafic enclaves?) from that same outcrop:

Man, I miss that old Swiss Army knife. The damned security actors at Calgary Airport confiscated it last summer. 🙁