Callan posted a blog this morning about the Champlain Thrust (sidenote: having gone to Midd as an undergrad, I have fond memories of the outcrop he describes in the post). One of the pictures was a close-up of a vein with a distinctive fabric that was puzzling. The image reminded me of a figure from Passchier and Trouw (2005), so I suggested that maybe the vein was due to antitaxial growth (straight fibres that indicate a mean displacement direction of the vein wall rocks) during simple shear. Here’s the image:
Fig. 6.7, Passchier & Trouw, 2005
Yes? No? Other ideas?
Elli Goeke