Derik Fm
Period:
Ediacaran, Cambrian
Age Interval:
Ediacaran – Furongian, T1
Province:
Turkey
Type Locality and Naming
Column: SE Turkey
Synonym:
Lithology and Thickness
Coarse clastics???
Lithology Pattern:
Sandstone
Relationships and Distribution
Lower contact
Regionally, the schematic strat column indicates this is the oldest unit in SE Turkey
Upper contact
Regionally, the schematic strat column indicates the next younger unit as Sadan 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
Ediacaran – earliest Cambrian (Fortunian). Schematic strat column indicates it spans until Stenian, but Geology of Iraq book suggests it spans from Ediacaran (Vendian) to Fortunian (lowest Cambrian stage); therefore, followed the same in this Lexicon entry pending additional information.
Age Span:
Beginning stage:
Ediacaran
Fraction up in beginning stage:
0.3
Beginning date (Ma):
606.14
Ending stage:
Fortunian
Fraction up in the ending stage:
0.95
Ending date (Ma):
529.49
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."