Bandykhan Fm
Period:
Cretaceous
Age Interval:
Santonian, B1
Province:
Bukhara-SW Gissar
Type Locality and Naming
Along the Bandykhan Gorge, Southwest Gissar. Kh.Kh. Mirkamalov, M.E. Egamberdyev, 1969 (300, p.63). Stratotype in the Bandykhan Gorge, 30km}southeast of Baysun. Lower formation in Tally-Khumon Gr
Synonym: Bandykhanskaya Suite, Бандыхансская св.
Lithology and Thickness
Sandstones and clays with gypsum interlayers. Thickness 4060 m.
Lithology Pattern:
Clayey sandstone
Relationships and Distribution
Lower contact
Conformably overlies the Toychisay Fm
Upper contact
Conformably overlain by the Balakhansky Fm
Regional extent
Southwest Gissar, northern part of the Kelif-Shirabad Range. Corresponds to the upper half of the Kattakamyshev Fm and, probably, the Akbulak Fm (190). S.V. Lobacheva". Strat. Sl. (446).
GeoJSON
null
Fossils
Contains ammonites - Stantonoceras tagamense Iljin.
Age
Age Span:
Beginning stage:
Santonian
Fraction up in beginning stage:
0.5
Beginning date (Ma):
84.68
Ending stage:
Santonian
Fraction up in the ending stage:
1.0
Ending date (Ma):
83.65
Depositional setting
Depositional pattern:
Additional Information
Compiler:
A.M. Bogomolova – In: GeoGPT translation of: “Abduazimova, Z.M. (Ed.), 2001. Stratigraphic Dictionary of Uzbekistan. IMR (Institute of Mineral Resources), Tashkent, 580 pp. (In Russian)”