Earth:Moodies Group

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Short description: Geological formation in South Africa and Eswatini
Moodies Group
Stratigraphic range: Paleoarchean
~3220 Ma
TypeGeological group
OverliesFig Tree Formation
Lithology
PrimaryGreenstone belt
OtherSedimentary Rock
Location
Coordinates [ ⚑ ] : 25°48′S 31°00′E / 25.8°S 31.0°E / -25.8; 31.0
RegionBarberton Greenstone Belt, Mpumalanga
Country South Africa
 Eswatini
ExtentKaapvaal Craton
South African Greenstone Belt.png
Location of the Barberton Greenstone Belt

The Moodies Group is a geological formation in South Africa and Eswatini.[1][2] It has the oldest well-preserved siliciclastic tidal deposits on Earth, where microbial mats flourished.[3]

See also

References

  1. Heubeck, Christoph (2019). "The Moodies Group—a High-Resolution Archive of Archaean Surface Processes and Basin-Forming Mechanisms" (in en). The Archaean Geology of the Kaapvaal Craton, Southern Africa. Regional Geology Reviews. Springer International Publishing. pp. 133–169. doi:10.1007/978-3-319-78652-0_6. ISBN 978-3-319-78651-3. https://doi.org/10.1007/978-3-319-78652-0_6. 
  2. Heubeck, Christoph (2014). "Moodies Group". Encyclopedia of Astrobiology. Berlin, Heidelberg: Springer. pp. 1–6. doi:10.1007/978-3-642-27833-4_5153-1. ISBN 978-3-642-27833-4. https://link.springer.com/referenceworkentry/10.1007/978-3-642-27833-4_5153-1. Retrieved 12 January 2023. 
  3. 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)" (in en). Precambrian Research 266: 47–64. doi:10.1016/j.precamres.2015.04.018. ISSN 0301-9268. Bibcode2015PreR..266...47H. https://doi.org/10.1016/j.precamres.2015.04.018.