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

Uploaded: 26 Mar 2020
Last Updated: 17 Jun 2020

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Coarse fragments of chert within a larger chert unit reflects a sudden increase in water energy. Included with the large chunks are spherules - orb shaped rock vapor condensates. Barberton Greenstone Belt, South Africa. This is an untreated surface; A ground and polished view of the other side of this sample sample can be seen at: https://viewer.gigamacro.com/view/tIFzk0tb4PCju1fx The sample was collected at this site: https://viewer.gigamacro.com/view/9yH8kmLSnZ8K922e