Dome of Collenia Beds Fm
Period:
Carboniferous
Age Interval:
Visean – Serpukhovian, Lb2
Province:
Libya
Type Locality and Naming
Column: Fezzan Basin
Synonym:
Lithology and Thickness
Limestone
Lithology Pattern:
Limestone
Relationships and Distribution
Lower contact
Regionally, the schematic strat column indicates the next older unit as Marar Fm
Upper contact
Regionally, the schematic strat column indicates the next younger unit as Assedjefar Fm
Regional extent
GeoJSON
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Fossils
Age
Visean – Serpukhovian
Age Span:
Beginning stage:
Visean
Fraction up in beginning stage:
0.5
Beginning date (Ma):
338.54
Ending stage:
Serpukhovian
Fraction up in the ending stage:
1.0
Ending date (Ma):
323.40
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.