Qarqarish Fm
Period:
Neogene
Age Interval:
Middle Pleistocene (Calabrian), Lb1
Province:
Libya
Type Locality and Naming
Column: Tripolitania and Sirte Basin
Synonym: Gargaresh Fm
Lithology and Thickness
Formation consists of sandy limestone beds.
Lithology Pattern:
Sandy limestone
Relationships and Distribution
Lower contact
Regionally, the schematic strat column indicates the next older unit as Marada Gr
Upper contact
Regionally, the schematic strat column indicates the next younger unit as Alluvium
Regional extent
GeoJSON
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Fossils
Age
USGS places the base of this formation in the Ris/Wurmian/Tyrrhenian Stage.
Age Span:
Beginning stage:
Calabrian
Fraction up in beginning stage:
0.0
Beginning date (Ma):
1.80
Ending stage:
Calabrian
Fraction up in the ending stage:
1.0
Ending date (Ma):
0.77
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.