Afrikander Fm
Period:
Mesoarchean
Age Interval:
Late Mesoarchean
Province:
Karoo Basin
Type Locality and Naming
Synonym:
Lithology Pattern:
Sandy claystone
Relationships and Distribution
Lower contact
Elandslaagte Fm (conformable)
Upper contact
Koedoeslaagate Fm (conformable)
Regional extent
GeoJSON
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Fossils
Age
Arbitrarily assigned 5/6th up the Government Subgroup => ca. 2905 to 2898 Ma
Age Span:
Beginning stage:
Mesoarchean
Fraction up in beginning stage:
0.7373
Beginning date (Ma):
2,905.08
Ending stage:
Mesoarchean
Fraction up in the ending stage:
0.755
Ending date (Ma):
2,898.00
Depositional setting
Depositional pattern:
Additional Information
Compiler:
Rebecca Bobick (and Wen Du), modified from Walraven, F., Armstrong, R.A., and Kruger, F.J., A chronostratigraphic framework for the north-central Kaapvaal craton, the Bushveld Complex and the Vredefort structure, Tectonophysics, 171 (1990), 23-48.