Karatumshu Fm
Period:
Jurassic
Age Interval:
early Bajocian (J2 bj), M1
Province:
SE Tajik (SE Pamir)
Type Locality and Naming
It is distinguished in SE Murghab district, Mynkhadzhir type section
Synonym: Karatumshuskaya suite
Reference section:
Lithology and Thickness
It is composed by various limestones and marls.
Lithology Pattern:
Shallow-marine marl
Relationships and Distribution
Lower contact
Schematic stratigraphic column indicates the lower contact as Jarute Fm
Upper contact
Schematic stratigraphic column indicates the upper contact as Konokurgan Fm
Regional extent
It is widespread in the Southeast Pamir.
GeoJSON
{"type":"Feature","geometry":{"type":"MultiPolygon","coordinates":[[[[74.65,37.92],[74.63,37.81],[74.37,37.9],[74.08,37.95],[74,37.86],[74.17,37.67],[74.33,37.59],[74.53,37.51],[74.61,37.47],[74.68,37.44],[74.67,37.41],[74.45,37.52],[74.22,37.59],[73.97,37.74],[73.8,37.93],[73.82,38.01],[73.89,38.06],[74.15,38.07],[74.42,38.06],[74.5,38.08],[74.6,37.95],[74.65,37.92]]]]}}
Fossils
Rich in organic remains.
Age
early Bajocian
Age Span:
Beginning stage:
Bajocian
Fraction up in beginning stage:
0.2
Beginning date (Ma):
170.35
Ending stage:
Bajocian
Fraction up in the ending stage:
0.4
Ending date (Ma):
169.81
Depositional setting
Depositional pattern:
Additional Information
Compiler:
Extracted from Baratov, R. B. (1976). Subdivisions of stratified and intrusive rocks of Tajikistan. Donish, Dushanbe, 276.