Amdeh Fm
Period:
Ordovician
Age Interval:
Tremadocian – Katian, On2
Province:
Oman
Type Locality and Naming
Column: Oman Outcrop
Synonym:
Lithology and Thickness
Sandstone and Claystone.
Lithology Pattern:
Sandstone
Relationships and Distribution
Lower contact
Regionally, the schematic strat column indicates the next older unit as Fara Fm
Upper contact
Regionally, the schematic strat column indicates the next younger unit as Al Khlata Fm
Regional extent
GeoJSON
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Fossils
Age
Tremadocian - Katian
Age Span:
Beginning stage:
Tremadocian
Fraction up in beginning stage:
0.65
Beginning date (Ma):
480.50
Ending stage:
Katian
Fraction up in the ending stage:
0.3
Ending date (Ma):
450.49
Depositional setting
Depositional pattern:
Additional Information
Compiler:
From Forbes, G.A., Hansen, H.S.M., and Shreurs, J., 2010. Lexicon of Oman: Subsurface Stratigraphy. Gulf Petrolink, 371 pp. (plus enclosures and CD); and Middle East Geological Timescale 2008 Al-Husseini, Journal of Middle East Petroleum Geosciences v 13. no. 4