Aruma Fm

Period:

Paleogene, Cretaceous

Age Interval:

Campanian – Danian, Sa (1,2), Kw1, Bn1, Qa1, UAE1

Province:
Saudi Arabia, Kuwait, Bahrain, Qatar, United Arab Emirates

Type Locality and Naming

Columns: Saudi Arabia Outcrop, Saudi Arabia Subsurface, Kuwait, Bahrain, Column: Qatar, United Arab Emirates. Divided into Lina Mbr, Hajajah Mbr, Khanasir Mbr.

Synonym:

Lithology and Thickness

Divided into Lina Mbr, Hajajah Mbr, Khanasir Mbr. In Lina Mbr, Yellowish-tan to yellowish-brown dolomitic and calcareous shale, argillaceous dolomite and olive shale with minor interbedded limestone and dolomite. In Hajajah Mbr, blue-gray to cream, massive dolomite and limestone. Cream-colored, soft, chalky, fine-grained limestone, with minor interbedded olive to olive-green calcareous shale in the lower part. In Khanasir Mbr, Cream-colored, massive, nodular, chalky, fine-grained limestone with abundant small fragmental organic remains.

Lithology Pattern:

Clayey limestone

Relationships and Distribution

Lower contact

Regionally, the schematic strat column indicates the next older unit as Maliha Fm. In Saudi Arabia Subsurface, Kuwait, Bahrain, Qatar, it is Wasia Fm. In United Arab Emirates, it is Halul Gr

Upper contact

Regionally, the schematic strat column indicates the next younger unit as Umm er Radhuma Fm. In Qatar and UAE, it is Simsima Fm

Regional extent

GeoJSON

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Fossils

Age

Campanian – Danian

Age Span:

Beginning stage:

Campanian

Fraction up in beginning stage:

0.72

Beginning date (Ma):

75.38

Ending stage:

Danian

Fraction up in the ending stage:

0.15

Ending date (Ma):

65.38

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 1310