Karatau Sandstones Fm
Period:
Carboniferous
Age Interval:
Moscovian (C2 m), S5
Province:
North Tajik
Type Locality and Naming
Synonym: Middle Division Sandstones, Moscovian Sandstones
Reference section:
Lithology and Thickness
In the Karatau mountains, sandstones (including calcareous) with layers of limestone of incomplete thickness 50 m are attributed to the considered subdivision.
Lithology Pattern:
Sandstone
Relationships and Distribution
Lower contact
They lie with erosion on the Namurian Bashkirian? limestone-terrigenous sediments.
Upper contact
Overlying sediments are absent.
Regional extent
It is exposed in the Turkestan region, in the Karatau mountains.
GeoJSON
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Fossils
Sandstones and limestones contain Moscow Eofusutina ex gr. triangula (Raus. et Bel.), Schubertella lata Lee et Chen, Ozawainella ex gr. angulata (Colani).
Age
By the fossil assemblage, it is considered Moscovian for the schematic stratigraphic representation.
Age Span:
Beginning stage:
Moscovian
Fraction up in beginning stage:
0.0
Beginning date (Ma):
315.15
Ending stage:
Moscovian
Fraction up in the ending stage:
1.0
Ending date (Ma):
307.02
Depositional setting
Depositional pattern:
Additional Information
Compiler:
Extracted from Baratov, R. B. (1976). Subdivisions of stratified and intrusive rocks of Tajikistan. Donish, Dushanbe, 276.