Cedarberg Fm
Period:
Ordovician, Silurian
Age Interval:
Late Ordovician – Early Silurian
Province:
Karoo Basin
Type Locality and Naming
Synonym:
Lithology and Thickness
Mudstone, it is a basin-wide marker with good fossil preservation.
Lithology Pattern:
Claystone
Relationships and Distribution
Lower contact
Peninsula Fm (conformable)
Upper contact
Nardouw Fm (conformable)
Regional extent
GeoJSON
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Fossils
Age
Age Span:
Beginning stage:
Katian
Fraction up in beginning stage:
0.6
Beginning date (Ma):
448.23
Ending stage:
Aeronian
Fraction up in the ending stage:
0.5
Ending date (Ma):
439.54
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