Peninsula Fm
Period:
Ordovician
Age Interval:
Late Ordovician
Province:
Karoo Basin
Type Locality and Naming
Synonym:
Lithology and Thickness
Consists of medium-to coarse-grained quartz sandstones with rare conglomerates and shales. Maximum thickness is 2000 m (W) to 2700 m (E).
Lithology Pattern:
Sandstone
Relationships and Distribution
Lower contact
Graafwater Fm (conformable)
Upper contact
Cedarberg Fm (conformable)
Regional extent
GeoJSON
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Fossils
Age
Age Span:
Beginning stage:
Darriwilian
Fraction up in beginning stage:
0.8
Beginning date (Ma):
460.43
Ending stage:
Katian
Fraction up in the ending stage:
0.6
Ending date (Ma):
448.23
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