Loading AI tools
Series of Archaean greenstone belts and volcanic rock formations in South Africa and Eswatini From Wikipedia, the free encyclopedia
The Onverwacht Group or Onverwacht Series is a series of greenstone belts and volcanic rock formations from the Archean Eon in the Kaapvaal Craton in South Africa and Eswatini.
Onverwacht Group | |
---|---|
Stratigraphic range: Paleoarchean > | |
Type | Geological group |
Sub-units | Subunits |
Underlies | Fig Tree Formation |
Thickness | 16,370 m (53,710 ft) |
Lithology | |
Primary | Greenstone belt |
Other | Volcanic 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 |
A well known part of the Onverwacht Series is visible in the Komati valley, located in the east of the Transvaal region.
The Onverwacht Group can be divided into two subgroups with six formations:
The fossils found in the Onverwacht Series are among the oldest found on Earth.[1]
Seamless Wikipedia browsing. On steroids.
Every time you click a link to Wikipedia, Wiktionary or Wikiquote in your browser's search results, it will show the modern Wikiwand interface.
Wikiwand extension is a five stars, simple, with minimum permission required to keep your browsing private, safe and transparent.