Dullstroom Karoo Basin Cape Fold Belt Fm
Period:
Rhyacian
Age Interval:
Province:
Southern Africa
Type Locality and Naming
Column: Karoo Basin Cape Fold Belt
Lithology and Thickness
Dullstroom Fm:
LITHOLOGY = Basic lavas (Basalt)
CALIBRATION = From Walraven's digram (assigned 63% 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 = Basic lavas (Basalt)
CALIBRATION = From Walraven's digram (assigned 63% 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:
Aus Basalt
Relationships and Distribution
Lower contact
Upper contact
Regional extent
GeoJSON
{"type":"Feature","geometry":{"type":"MultiPolygon","coordinates":[[[[25,-29],[24,-30],[25,-31],[26,-30],[25,-29]]]]}}
Fossils
Age
Age Span:
Beginning stage:
Rhyacian
Fraction up in beginning stage:
0.46
Beginning date (Ma):
2,185.00
Ending stage:
Rhyacian
Fraction up in the ending stage:
0.54
Ending date (Ma):
2,165.00
Depositional setting
Depositional pattern:
Additional Information
long: 25 lat: -30
Compiler: