Griquatown Karoo Basin Cape Fold Belt Gr
Period:
Siderian
Age Interval:
Province:
Southern Africa
Type Locality and Naming
Column: Karoo Basin Cape Fold Belt
Lithology and Thickness
Griquatown Gr:
LITHOLOGY = Andesites, dolomites and limestones with some chert
CALIBRATION = From Walraven's digram (assigned 35% up from 2500Ma).
REFERENCE = 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
LITHOLOGY = Andesites, dolomites and limestones with some chert
CALIBRATION = From Walraven's digram (assigned 35% up from 2500Ma).
REFERENCE = 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
Lithology Pattern:
Dolomite
Relationships and Distribution
Lower contact
Upper contact
Regional extent
GeoJSON
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Fossils
Age
Age Span:
Beginning stage:
Siderian
Fraction up in beginning stage:
0.88
Beginning date (Ma):
2,325.00
Ending stage:
Siderian
Fraction up in the ending stage:
0.98
Ending date (Ma):
2,304.00
Depositional setting
Depositional pattern:
Additional Information
long: 25 lat: -30
Compiler: