Bartang Fm
Period:
Paleogene
Age Interval:
Ypresian-Lutetian (P? br), R1
Province:
SE Tajik (SE Pamir)
Type Locality and Naming
This is the lower formation in Bartang Gr.
Synonym: Bartang Suite, бартангская свита
Reference section:
Lithology and Thickness
The lower, Bartang Fm (бартангская свита), is composed in the lower part of greenstone-altered albitephires, preserving relics of primary effusive rocks: andesites, andesite-basalts, basalts, diabases (500-1000 m). Above, greenstone tuffs, tuff conglomerates, tuff sandstones of quartz albitephires, soda liparites, and other acidic volcanic rocks lie (500-1500 m). The thickness of the Bartang Suite is 1000-2500 m.
Lithology Pattern:
Volcanic_ash
Relationships and Distribution
Lower contact
Upper contact
Schematic stratigraphic column indicates the upper contact as Razuchoye Fm
Regional extent
It is widespread in the western part of the Central Pamir.
GeoJSON
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Fossils
Age
It is mentioned as Paleogene (Eocene), hence considered Ypresian-Lutetian for schematic stratigraphic representation purpose.
Age Span:
Beginning stage:
Ypresian
Fraction up in beginning stage:
0.0
Beginning date (Ma):
56.00
Ending stage:
Lutetian
Fraction up in the ending stage:
1.0
Ending date (Ma):
41.03
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.