Moodies Group

The Moodies Group is a geological formation in South Africa and Eswatini.[1] It has the oldest well-preserved siliciclastic tidal deposits on Earth, where microbial mats flourished.[2]

Moodies Group Stratigraphic range: Paleoarchean ~3220 Ma Pha. Proterozoic Archean Had'n ↓
Type	Geological group
Overlies	Fig Tree Formation
Lithology
Primary	Greenstone belt
Other	Sedimentary Rock
Location
Coordinates	25.8°S 31.0°E
Region	Barberton Greenstone Belt, Mpumalanga
Country	South Africa  Eswatini
Extent	Kaapvaal Craton
Location of the Barberton Greenstone Belt

See also

• Archean life in the Barberton Greenstone Belt
• Fig Tree Formation
• Onverwacht Group

References

1. Heubeck, Christoph (2019). "The Moodies Group—a High-Resolution Archive of Archaean Surface Processes and Basin-Forming Mechanisms". The Archaean Geology of the Kaapvaal Craton, Southern Africa. Regional Geology Reviews. Springer International Publishing: 133–169. doi:10.1007/978-3-319-78652-0_6. ISBN 978-3-319-78651-3.
2. Homann, Martin; Heubeck, Christoph; Airo, Alessandro; Tice, Michael M. (1 September 2015). "Morphological adaptations of 3.22 Ga-old tufted microbial mats to Archean coastal habitats (Moodies Group, Barberton Greenstone Belt, South Africa)". Precambrian Research. 266: 47–64. Bibcode:2015PreR..266...47H. doi:10.1016/j.precamres.2015.04.018. ISSN 0301-9268.