Kichar Fm
Period:
Silurian
Age Interval:
Pridoli, N1
Province:
Nuratau
Type Locality and Naming
By the village of Kichar, Shokhetau Mountains, N. Nuratau Range, R.R. Usmanov et al. in 1993 (Korsakov et al., 1993f.).
Synonym: Kichar Suite, Кичарская св.
Lithology and Thickness
Massive, less often layered organogenic limestones, locally dolomitized. Thickness more than 200 m.
Lithology Pattern:
Reef limestone
Relationships and Distribution
Lower contact
Lower contact is tectonic.
Upper contact
Conformably overlies the Tulebay Fm [assumed that “underlies” was meant due to their relative ages]. Upper [assumed “Lower” was meant] contact is tectonic.
Regional extent
Northern Nuratau Range, Shokhetau Mountains. Stratotype in the area of the village of Kichar.
GeoJSON
null
Fossils
Tabulates - Favosites brusnitzini Peetz., F. ex gr. preplacenta Dubat., Pachyfavosites ex gr. exilis Sok and others
Age
Pridoli age is established by tabulates
Age Span:
Beginning stage:
Pridoli
Fraction up in beginning stage:
0.0
Beginning date (Ma):
422.73
Ending stage:
Pridoli
Fraction up in the ending stage:
1.0
Ending date (Ma):
419.00
Depositional setting
Depositional pattern:
Additional Information
Compiler:
R.R. Usmanov – In: GeoGPT translation of: “Abduazimova, Z.M. (Ed.), 2001. Stratigraphic Dictionary of Uzbekistan. IMR (Institute of Mineral Resources), Tashkent, 580 pp. (In Russian)”