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

Uploaded: 1 May 2020
Last Updated: 2 Jun 2020

3.28 gigapixels
89,416 x 36,676 pixels
298.1 in X 122.3 in at 300dpi
290 pixels per inch

A boulder of serpentinite (future "knocker") is weathered free of its melange matrix by wave undercutting, and slumps down onto the beach, bringing a lot of serpentinite colluvium (mantling the boulder) with it, opening up a small scarp.