Chanak Gr
Period:
Cretaceous
Age Interval:
Lower-Upper Cretaceous, CK11
Province:
Chatkal-Kuramin Region
Type Locality and Naming
Along the village of Chanak, Prishchekent District N.E. Minakova, 1941 (298, p.21, 23), identified as a suite.
Synonym: Chanak Series, Чанакская сер.
Lithology and Thickness
Red, gray clayey sandstones, sands, conglomerates, and clays with interlayers of limestones. Thickness 800-900m. G.A. Belenky (97) subdivided the Chanak Gr into lower and upper Chanak sub-suites, and later (96) into Kyzylatin Fm, Akdachin Fm, Dzhamsugum Fm and Syuksok Fm. (95; 433; 458).
Lithology Pattern:
Sandstone
Relationships and Distribution
Lower contact
Conformably overlies the Azatbash Fm
Upper contact
It is overlain by the Darbaza Fm
Regional extent
Prishchekent Chuli, Mansurata, Bogonale, Akdacha River, Kyzylata, Kyzyltal, Azatbash, Dzhamsugum and Poltoratsk uplifts, Tashkent Depression, spurs of the Chatkal Range.
GeoJSON
null
Fossils
Age
Assigned to the upper Aptian – Santonian. In the schematic stratigraphic column, lower contact of Darbaza Fm lies at Turonian. Hence it is shown as upper Aptian – Turonian.
Age Span:
Beginning stage:
Aptian
Fraction up in beginning stage:
0.8
Beginning date (Ma):
114.84
Ending stage:
Turonian
Fraction up in the ending stage:
0.8
Ending date (Ma):
90.29
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)”