Tuyum Fm
Period:
Cretaceous
Age Interval:
Early Cretaceous (KI), Ak-Ra1
Province:
East Tajik (NE Pamir)
Type Locality and Naming
Includes in Akbaital-Rangkul region
Synonym: Tuyum Suite, туюмская свита
Reference section:
Lithology and Thickness
The northern side of the Rangkul depression), the section of the Lower Cretaceous has a two-membered structure: the lower part (100-450 m) is composed of red sandstones and conglomerates
Lithology Pattern:
Coarse-grained sandstone
Relationships and Distribution
Lower contact
The deposits sharply unconformably lie on the Paleozoic deposits.
Upper contact
Being the lower part of two membered structure of Cretaceous Rangkul depression, the upper contact is Zortash Fm
Regional extent
In the Sarykolsky district of the Northern Pamir (basin of the Kyzylzhiik River, the northern slope of the Zortashkol Range, the northern side of the Rangkul depression).
GeoJSON
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Fossils
Age
Early Cretaceous
Age Span:
Beginning stage:
Aptian
Fraction up in beginning stage:
0.0
Beginning date (Ma):
121.40
Ending stage:
Aptian
Fraction up in the ending stage:
1.0
Ending date (Ma):
113.20
Depositional setting
Depositional pattern:
Additional Information
Compiler:
Extracted from Baratov, R. B. (1976). Subdivisions of stratified and intrusive rocks of Tajikistan. Donish, Lakhsh district, 276.