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

Uploaded: 22 Apr 2020
Last Updated: 3 Jun 2020

378 megapixels
26,256 x 14,380 pixels
87.5 in X 47.9 in at 300dpi
4,146 pixels per inch

You can go all Barrovian with this suite of four characteristic index minerals. Can you identify each?