Paper Information

Title: 

LITHOSTRATIGRAPHY OF SARVAK FORMATION AND DETERMINING OF ALBIAN-CENOMANIAN BOUNDARY IN TANG-E-SARVAK AND GHALE KAZHDOMAK

Type: POSTER
Author(s): KAMYABI SHADAN H.,SADEGHI ABAS,AGH Y.
 
 
 
Name of Seminar: GEOLOGICAL CONGRESS
Type of Seminar:  CONGRESS
Sponsor:  IRANIAN GEOLOGICAL SOCIETY
Date:  2005Volume 9
 
 
Abstract: 

In the course of Lithostratigraphy and Biostratigraphy studies of Kazhdomi and Sarvak formation in Sarvak type section in Tang-e-Sarvak (south flank of Bangestan anticline) and Ghale kazhdomak section in Southeastern of Izeh‚ we studied act of Austrian orogenic phase. The studies in this area show that the act of this phase between Albian and Cenomanian didn‘t cause exit of sediments from sea level and the effect of this phase observed a sudden decrease in basin depth and the type of sediments in relatively deep - deep marine area changed to carbonate sediments bearing chert nodules which are related to shallow marine area. Also this phase caused the sudden change of pelagic microfauna related to deep marine area to bentic microfauna related to shallow marine area.

 
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