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 Macrostrat is part of a broad geoinformatics ecosystem.
 
+## Geological systems
+
+- The [EarthByte](https://www.earthbyte.org) group is engaged in many complementary activities towards building a digital crust
 
 ## Cool Earth observing websites
 
-https://earth.nullschool.net: weather and ocean-circulation visualizations
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+https://earth.nullschool.net: weather and ocean-circulation visualizations