Mansuryatin Fm
Period:
Jurassic
Age Interval:
Upper Jurassic, CK11
Province:
Chatkal-Kuramin Region
Type Locality and Naming
Named after Mount Mansurata, Tashkent Chul area, Kazakhstan. V.S. Zimmerman, 1939 (494, p. 49). The stratigraphic name is not used.
Synonym: Mansuratinskaya Formation, Мансурятинская св.
Lithology and Thickness
In, Kyzylkum, variegated and red-colored deposits, in the lower part - bauxites, allites, in the upper part - kaolinized clays, claystones, siltstone (aleurolites), sandstones, gravelites, Thickness 20-145m.
Lithology Pattern:
Claystone
Relationships and Distribution
Lower contact
With erosion, it lies on the middle Jurassic or Paleozoic
Upper contact
It transgressively overlies the Azatbash Fm
Regional extent
Boreholes, Pre-Tashkent Chul, Boroldai Mountains.
GeoJSON
null
Fossils
Contains in the upper part large plant remains Coniopteris hymenophylloides (Brongn.) Sow. and others.
Age
A. - attributed to the middle-late Jurassic (494). R.Yu.Muzafarova considered the age of the M. suite to be early Albian (312) O.F.Fedorenko (477) - Valanginian, and the Samarkand conference (383, table 5, p.2) - late Jurassic (see Changi Fm).
Age Span:
Beginning stage:
Tithonian
Fraction up in beginning stage:
0.0
Beginning date (Ma):
149.24
Ending stage:
Tithonian
Fraction up in the ending stage:
1.0
Ending date (Ma):
143.10
Depositional setting
Depositional pattern:
Additional Information
Compiler:
V.V.Kurbatov – In: GeoGPT translation of: “Abduazimova, Z.M. (Ed.), 2001. Stratigraphic Dictionary of Uzbekistan. IMR (Institute of Mineral Resources), Tashkent, 580 pp. (In Russian)”