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

Uploaded: 26 Mar 2020
Last Updated: 25 Jun 2020

998 megapixels
42,512 x 23,468 pixels
141.7 in X 78.2 in at 300dpi
7,102 pixels per inch

An interesting structure appears at the top of this sample: Is it a desiccation crack? A dewatering structure? Something else? Source and geologic context are unknown. The opposite (polished) side of this sample can be seen at: https://viewer.gigamacro.com/view/calJOHK6Hz181CKD