Kuduk-Sarbatar Fm
Period:
Jurassic
Age Interval:
Bajocian-Bathonian, K7
Province:
Kyzylkum Region
Type Locality and Naming
Along the Sarbatyr collection, Central Kyzylkum. Collective of authors, 1963 (449, table s-P). Previously called the Sarbatyr Fm (378; 382, table 13; 446).
Synonym: Kuduksarbatar Fm, Кудук-сарбатарская св.
Lithology and Thickness
Variegated gravels, sandstones, clays, sometimes kaolinized, layers of sooty coal. Up to 70m.
Lithology Pattern:
Coarse-grained sandstone
Relationships and Distribution
Lower contact
Unconformably overlies the Paleozoic
Upper contact
With angular unconformity overlain by the lower Turonian.
Regional extent
Central Kyzylkum, Sarbatyr Stratotype not specified.
GeoJSON
null
Fossils
Contains large plant remains - Coniopteris sp., Cladophlebis haiburnensis (Lindl. et Hutt.) Brongn., Phoenicopsis angustifolia Heer., Brachyphyllum sp. and others, as well as freshwater bivalve mollusks Ferganochoncha sp and fish scales.
Age
Assigned to the middle Jurassic (Bajocian - Bathonian).
Age Span:
Beginning stage:
Bajocian
Fraction up in beginning stage:
0.0
Beginning date (Ma):
170.90
Ending stage:
Bathonian
Fraction up in the ending stage:
1.0
Ending date (Ma):
165.29
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)”