Continental Post-Tassilian Gr
Period:
Cretaceous, Jurassic, Triassic, Permian
Age Interval:
Asselian – Berriasian, Lb3
Province:
Libya
Type Locality and Naming
Column: Cyrenaica Basin
Synonym:
Lithology and Thickness
Alternating beds of claystones and shales, sandstones, and conglomerate.
Lithology Pattern:
Coarse-grained sandstone
Relationships and Distribution
Lower contact
Regionally, the schematic strat column indicates the next older unit as Lori Sandstone Fm
Upper contact
Regionally, the schematic strat column indicates the next younger unit as Nubian Sandstone Fm
Regional extent
GeoJSON
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Fossils
Age
Asselian – Berriasian
Age Span:
Beginning stage:
Asselian
Fraction up in beginning stage:
0.0
Beginning date (Ma):
298.89
Ending stage:
Berriasian
Fraction up in the ending stage:
1.0
Ending date (Ma):
137.70
Depositional setting
Depositional pattern:
Additional Information
Compiler:
Chart derived from: USGS Correlation Chart and Columnar Section for Rocks in Libya, 1963. Descriptions from: Hallet, Don: Petroleum Geology of Libya, 2002.