Marsikhel Fm
Period:
Cretaceous
Age Interval:
Early to Middle Cretaceous
Province:
Pakistan Axial Belt
Type Locality and Naming
Holotype section: Marsi Khel village. Author: S. Ahmed et al., 2000. Reference section: None.
Lithology and Thickness
Clayey limestone. It consists of light grey to dark grey, thin to medium-bedded limestone and greenish grey shale. In the lower portion, the limestone is micritic and arenaceous at places, and within the limestone alternate layers of light green shale are present, which are rich in belemnites. Ferruginous and calcareous sandstone is also present near the base.
Thickness: 250 m thick at the type locality.
Lithology Pattern:
Clayey limestone
Relationships and Distribution
Lower contact
Conformably underlain by Chashmai Kharsai Fm
Upper contact
Conformably overlain by Zerghar Fm
Regional extent
Reported only from Kurram Agency area in North Waziristan.
GeoJSON
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Fossils
Belemnites
Age
Early to Middle Cretaceous
Age Span:
Beginning stage:
Barremian
Fraction up in beginning stage:
0.0
Beginning date (Ma):
126.50
Ending stage:
Albian
Fraction up in the ending stage:
0.5
Ending date (Ma):
106.85
Depositional setting
Depositional pattern:
Additional Information
Compiler:
Nusrat K. Siddiqui