Dam Fm
Period:
Neogene
Age Interval:
Aquitanian - Burdigalian, Sa (1,2), Qa1
Province:
Saudi Arabia, Qatar
Type Locality and Naming
Column: Saudi Arabia Outcrop, Saudi Arabia Subsurface, Qatar
Synonym:
Lithology and Thickness
Pink, white and gray marl, and, red, green and olive, partly finely sandy clay predominating; minor sandstone in the upper part; white to cream marly and chalky limestone generally forms the lower part. Marine fossils are present at many levels but ordinarily are poorly reserved.
Lithology Pattern:
Sandy limestone
Relationships and Distribution
Lower contact
Regionally, the schematic strat column indicates the next older unit as Hadrukh Fm
Upper contact
Regionally, the schematic strat column indicates the next younger unit as Hofuf Fm
Regional extent
GeoJSON
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Fossils
Age
Aquitanian – Burdigalian
Age Span:
Beginning stage:
Aquitanian
Fraction up in beginning stage:
0.7
Beginning date (Ma):
21.23
Ending stage:
Burdigalian
Fraction up in the ending stage:
0.95
Ending date (Ma):
16.21
Depositional setting
Depositional pattern:
Additional Information
Compiler:
From Middle East Geological Timescale 2008 Al-Husseini, Journal of Middle East Petroleum Geosciences v 13, no. 4. Steineke et. al., 1958, Page 1310