Kattaur Fm
Period:
Cretaceous
Age Interval:
Valanginian-Hauterivian, B1a
Province:
SW Gissar
Type Locality and Naming
Along the Kattaaur elevation, Amudarya River. G.G. Mirzoev, 1986 (452, p.301). Stratotype - section of well 6 Kerkidag, interval 2597-2527m.
Synonym: Kattaur Suite, Каттаурская св.
Lithology and Thickness
Brick-red clays, siltstone (aleurolites) with inclusions of gypsum-anhydrites and spots of green mica-sandstones. At the top - gray dolomites with interlayers and lenses of marls. Thickness 70m
Lithology Pattern:
Gypsiferous claystone
Relationships and Distribution
Lower contact
It lies transgressively on different layers of the Karabil Fm
Upper contact
Regional extent
Boreholes. Priamudarya region, Southwest Gissar.
GeoJSON
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Fossils
Age
It belongs to the undifferentiated deposits of the Valanginian and Hauterivian. (55; 452).
Age Span:
Beginning stage:
Valanginian
Fraction up in beginning stage:
0.0
Beginning date (Ma):
137.70
Ending stage:
Hauterivian
Fraction up in the ending stage:
0.5
Ending date (Ma):
129.55
Depositional setting
Depositional pattern:
Additional Information
Compiler:
I.M. Abdazimova – In: GeoGPT translation of: “Abduazimova, Z.M. (Ed.), 2001. Stratigraphic Dictionary of Uzbekistan. IMR (Institute of Mineral Resources), Tashkent, 580 pp. (In Russian)”