Nardouw Fm
Period:
Silurian, Devonian
Age Interval:
Early Silurian - Early Devonian
Province:
Karoo Basin
Type Locality and Naming
Synonym:
Lithology and Thickness
The Nardouw Subgroup (1200 m) marks a return to the grand scale of quartz sandstone accumulation in the Silurian, and ends with less mature sediments containing Emsian brachiopod faunas
Lithology Pattern:
Sandstone
Relationships and Distribution
Lower contact
Cedarberg Fm (conformable)
Upper contact
Regional extent
GeoJSON
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Fossils
Age
Age Span:
Beginning stage:
Aeronian
Fraction up in beginning stage:
0.5
Beginning date (Ma):
439.54
Ending stage:
Emsian
Fraction up in the ending stage:
0.24
Ending date (Ma):
406.62
Depositional setting
Depositional pattern:
Additional Information
Compiler:
Rebecca Bobick (and Wen Du), modified from Tankard, A., "Tectonic evolution of the Cape and Karoo basins of South Africa", Marine and Petroleum Geology 26 (2009) 1379–1412