Moodies Group
| Moodies Group | |
|---|---|
| Stratigraphic range: Paleoarchean ~  | |
| Type | Geological group | 
| Overlies | Fig Tree Formation | 
| Lithology | |
| Primary | Greenstone belt | 
| Other | Sedimentary Rock | 
| Location | |
| Coordinates | 25°48′S 31°00′E / 25.8°S 31.0°E | 
| Region | Barberton Greenstone Belt, Mpumalanga | 
| Country | South Africa, Eswatini | 
| Extent | Kaapvaal craton | 
Location of the Barberton Greenstone Belt  | |
The Moodies Group is a geological formation in South Africa and Eswatini. It has the oldest well-preserved siliciclastic tidal deposits on Earth, where microbial mats flourished.