By: shelley-jaye
Image: Credit: Callan Bentley, Mid-Atlantic Geo-Image Collection (M.A.G.I.C.) on GigaPan. CC BY Attribution 3.0 ⧉
License: Creative Commons Attribution ⧉

Uploaded: 11 Jan 2020
Last Updated: 15 Jan 2020

194 megapixels
21,728 x 8,936 pixels
72.4 in X 29.8 in at 300dpi
4,314 pixels per inch

Muscovite schist (metamorphosed Harpers Formation?) from Throroughfare Gap / Bull Run Mountain, Virginia, bearing euhedral porphyroblasts of magnetite. Sample measures 8.5 by 2.5 cm. Image made as part of the MAGIC project (Mid-Atlantic Geo-Imagery Collection) using Northern Virginia Community College's gigamacro rig, as seen here: http://gigamacro.com/gigapixel-macro-imaging-system/