Kattaur Fm
Period:
Cretaceous
Age Interval:
Valanginian-Hauterivian, B1a
Province:
Bukhara-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
null
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)”