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You are browsing the archive for 2011 November 07.

7 November 2011

Pseudoboudins!

You may recall that I kind of like boudinage. So it piqued my interest when our field trip leaders (on the pre-GSA Minneapolis trip to examine the structural geology of the sub-province boundaries in the Superior Craton) said our next stop was to visit “pseudoboudins,” segments of granitoid pegmatites that looked like boudins but probably represented a totally different process. Here’s the idea: With regular old boudinage, the solidification of …

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