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

Uploaded: 26 Mar 2020
Last Updated: 27 May 2020

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Microbially induced sedimentary structures from 3.22 Ga sandstones in the Barberton Greenstone Belt, South Africa. This sample is a ground/polished version of this one: http://www.gigapan.com/gigapans/192019 See some of these rocks in outcrop here: https://blogs.agu.org/mountainbeltway/2016/09/01/archean-microbial-mats-news-gigapan/