Akoy Fm
Period:
Carboniferous
Age Interval:
Upper Bashkirian, K3
Province:
Kyzylkum Region
Type Locality and Naming
Named after the village of Akoi, Okzhetpes Mountains, Central Kyzylkum. S.Ya. Lapidus in 1992 (460, p. 183).
Synonym:
Lithology and Thickness
At the base, conglomerates, followed by thin-bedded limestones with lenses and concretions of cherts. Thickness 200m. Ya.B. Aysanov et al. (1984) note bauxites at the base of the section.
Lithology Pattern:
Siliceous limestone
Relationships and Distribution
Lower contact
Overlies the Dzhuskuduk Fm (Juskydak Suite) limestones, with a slight erosion
Upper contact
It is overlain by the Auliekuduk Fm.
Regional extent
Central Kyzylkum, South Bukantau, Okzhetpes Mountains.
GeoJSON
null
Age
Age Span:
Beginning stage:
Bashkirian
Fraction up in beginning stage:
0.0
Beginning date (Ma):
323.40
Ending stage:
Bashkirian
Fraction up in the ending stage:
1.0
Ending date (Ma):
315.15
Depositional setting
Depositional pattern:
Additional Information
Compiler:
V.V. Mikhailov – In: GeoGPT translation of: “Abduazimova, Z.M. (Ed.), 2001. Stratigraphic Dictionary of Uzbekistan. IMR (Institute of Mineral Resources), Tashkent, 580 pp. (In Russian)”