South Bozdon Fm
Period:
Devonian
Age Interval:
Emsian-Eifelian (lower), K6
Province:
Kyzylkum Region
Type Locality and Naming
Along the Buzdon ridge, Central Kyzylkum, P.N. Podkopaev et al. in 1962 (457, pp. 124-125).
Synonym: South Bozdon Suite, Южнобоздонская св.
Lithology and Thickness
Dark gray clayey limestones with layers of siltstone (aleurolites) and cherts. Thickness 112-362m.
Lithology Pattern:
Clayey limestone
Relationships and Distribution
Lower contact
It lies conformably on the Madaniyat Fm
Upper contact
It is conformably overlain by the Auliekudzhumdin Fm.
GeoJSON
null
Fossils
Contains conodonts Polygnathus inversus Klapp. et John., P. costatus Klapp., P. gronbergi Klapp. et John. and others; Tentaculites - Nowakia ex gr. barrandei Bouč. et Prantl., Veriatellina gracilistriata (Hall.) and others.
Age
Emsian-lower Eifelian (165; 495). Yu.A. Likhachev et al. (266) included it in the composition of the Muruntau Fm, which combined all carbonate rocks of the Middle Devonian in Central Kyzylkum.
Age Span:
Beginning stage:
Emsian
Fraction up in beginning stage:
0.5
Beginning date (Ma):
402.41
Ending stage:
Eifelian
Fraction up in the ending stage:
0.5
Ending date (Ma):
389.80
Depositional setting
Depositional pattern:
Additional Information
Compiler:
Z.M. Abdazimova – In: GeoGPT translation of: “Abduazimova, Z.M. (Ed.), 2001. Stratigraphic Dictionary of Uzbekistan. IMR (Institute of Mineral Resources), Tashkent, 580 pp. (In Russian)”