Razuchoye Fm
Period:
Paleogene
Age Interval:
Bartonian-Priabonian (P? br), R1
Province:
SE Tajik (SE Pamir)
Type Locality and Naming
This is the upper formation in Bartang Gr.
Synonym: Razuchoye Suite, разучская свита
Reference section:
Lithology and Thickness
The upper, Razuchoye Fm (разучская свита), is composed at the base of varicolored marls and calcareous clayey siltstones, which are replaced upwards in the section by gravels and conglomerates with a large number of pebbles of the Raumid Fm, Shuvdarin Fm, and Bardarin Fm (Carboniferous - Triassic?). The thickness is more than 500 m.
Lithology Pattern:
Pelagic marl
Relationships and Distribution
Lower contact
Schematic stratigraphic column indicates lower contact is Bartang Fm
Upper contact
Schematic stratigraphic column indicates upper contact is Bartang Gr
Regional extent
It is widespread in the western part of the Central Pamir.
GeoJSON
{"type":"Feature","geometry":{"type":"MultiPolygon","coordinates":[[[[71.6,37.74],[71.88,37.81],[72.04,37.88],[72.29,37.89],[72.51,37.85],[72.81,37.85],[73,37.83],[73.14,37.78],[73.43,37.67],[73.52,37.51],[73.04,37.44],[72.59,37.47],[72.06,37.4],[71.9,37.43],[71.56,37.39],[71.56,37.71],[71.6,37.74]]]]}}
Fossils
Age
It is mentioned as Paleogene (Eocene), hence considered Bartonian-Priabonian for schematic stratigraphic representation purpose.
Age Span:
Beginning stage:
Bartonian
Fraction up in beginning stage:
0.0
Beginning date (Ma):
41.03
Ending stage:
Priabonian
Fraction up in the ending stage:
1.0
Ending date (Ma):
33.90
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.