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

Uploaded: 6 May 2020
Last Updated: 19 May 2020

1.12 gigapixels
30,744 x 36,296 pixels
102.5 in X 121.0 in at 300dpi
4,479 pixels per inch

Cambrian-aged deep basin mudrock, cleaved to slate during Canadian Rockies mountain building (Laramide Orogeny, late Mesozoic to early Cenozoic).