Buwaib Fm
Period:
Cretaceous
Age Interval:
Valanginian – Hauterivian, Sa (1,2)
Province:
Saudi Arabia
Type Locality and Naming
Column: Saudi Arabia Outcrop, Saudi Arabia Subsurface
Synonym:
Lithology and Thickness
Cream, rubbly weathering, soft, fine-grained limestone, in upper part with shelly, foraminiferal calcarenite layers; a thin gray clay shale bed near the top.
Lithology Pattern:
Clayey limestone
Relationships and Distribution
Lower contact
Regionally, the schematic strat column indicates the next older unit as Yamama Fm
Upper contact
Regionally, the schematic strat column indicates the next younger unit as Biyadh Sandstone Fm
Regional extent
GeoJSON
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Fossils
Age
Valanginian – Hauterivian
Age Span:
Beginning stage:
Valanginian
Fraction up in beginning stage:
0.7
Beginning date (Ma):
134.13
Ending stage:
Hauterivian
Fraction up in the ending stage:
0.2
Ending date (Ma):
131.38
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 1309