Chatti Fm
Period:
Quaternary
Age Interval:
Early Pleistocene
Province:
Pakistan Balochistan Basin
Type Locality and Naming
Holotype section: Within Makran Flysch Province (MFP) of the Balochistan Basin
Lithology and Thickness
Clayey sandstone. Over 1000 m thick.
Lithology Pattern:
Clayey sandstone
Relationships and Distribution
Lower contact
Conformably underlain by Hinglaj Fm or Talar Fm
Upper contact
Unconformably overlain by sandy clay of Gwandar Fm
Regional extent
Makran Flysch Province
GeoJSON
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Fossils
Age
Early Pleistocene probably
Age Span:
Beginning stage:
Gelasian
Fraction up in beginning stage:
0.0
Beginning date (Ma):
2.58
Ending stage:
Gelasian
Fraction up in the ending stage:
1.0
Ending date (Ma):
1.80
Depositional setting
From Late Miocene to Early Pleistocene, concurrent with subduction related compressional structuring; there has been a period of slope, shelf and coastal plain progradation during deposition of sandstone-shale package of Pliocene Talar Fm / Hinglaj Fm and the Plio-Pleistocene Chatti Fm (Kazmi and Abbasi, 2008).
Depositional pattern:
Additional Information
Compiler:
Nusrat K. Siddiqui