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

Uploaded: 12 May 2020
Last Updated: 18 May 2020

860 megapixels
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Paleoarchean banded chert from the Fig Tree Formation in the Barberton Mountainland of South Africa. Sample provided by Dr. Jay Kaufman of University of Maryland, College Park.