By: magic-gigapans
Image: Callan Bentley, Mid-Atlantic Geo-Image Collection
License: Creative Commons Non Commercial ⧉

Uploaded: 26 Mar 2020
Last Updated: 3 Jun 2020

782 megapixels
43,032 x 18,180 pixels
143.4 in X 60.6 in at 300dpi
7,309 pixels per inch

This is mylonite formed from the Dover Granite, at the boundary between peri-Gondwanan Avalonia and Iapetan rocks in east central Newfoundland. This shear zone marks the western boundary of Gondwanan-affinity rocks, with Iapetan rocks to the west. Outcrop on Maccles Lake Road, near Glovertown. Sample surface has been ground and polished. Here is the other side of this sample, in its raw (unpolished) state: https://viewer.gigamacro.com/view/269oZOl1MhEzgTTq