Dadas Fm
Period:
Devonian
Age Interval:
Lochkovian – Emsian, T1
Province:
Turkey
Type Locality and Naming
Column: SE Turkey
Synonym: Hazro Fm
Lithology and Thickness
Contains the Dadas Shale. Some coal seams.
Lithology Pattern:
Sandy_claystone
Relationships and Distribution
Lower contact
Regionally, the schematic strat column indicates the next older unit as Bedinan Fm
Upper contact
Regionally, the schematic strat column indicates the next younger unit as Yiginli Fm
Regional extent
GeoJSON
{"type":"Feature","geometry":{"type":"MultiPolygon","coordinates":[[[[44.79,37.21],[44.27,37.9],[44.2,38.38],[44.01,39.35],[44.35,39.79],[43.16,40.21],[37.99,39.14],[36.43,38.46],[33.97,38.65],[29.29,37.68],[32.44,36.62],[34.61,36.99],[37.83,38.22],[39.39,37.2],[41.3,37.22],[43.32,37.48],[44.79,37.21]]]]}}
Fossils
Age
Lochkovian – Emsian
Age Span:
Beginning stage:
Lochkovian
Fraction up in beginning stage:
0.4
Beginning date (Ma):
416.36
Ending stage:
Emsian
Fraction up in the ending stage:
1.0
Ending date (Ma):
394.30
Depositional setting
Depositional pattern:
Additional Information
Compiler:
From S. Z. Jassim and J. C. Goff, Geology of Iraq, 2006. pg 92, Fig. 8-1: "Stratigraphic correlation of megasequences AP1 to AP5 for Iraq and surrounding countries."