Zorkhok Beds Fm
Period:
Silurian
Age Interval:
upper Wenlock, Z1
Province:
Zarafshan-N.Gissar
Type Locality and Naming
Along the Zorhok Saya, basin of the Shing River, Zeravshan-Gissar mountain region. A.I. Lavrusovich, G.N. Menakova, 1966 (368, p. 24) Stratotype on Mount Daurich. Uppermost member in the Shing Fm
Synonym: Zorhok Layers, Зорхокские сл.
Lithology and Thickness
Thin-bedded clayey unevenly dolomitized limestones of dark gray to black color. Thickness 23m.
Lithology Pattern:
Clayey limestone
Relationships and Distribution
Lower contact
Have normal stratigraphic boundaries with underlying Nofin Beds
Upper contact
Overlying Shikorhonin Beds
Regional extent
Zeravshan-Gissar mountain region, basin of the Shing River.
GeoJSON
null
Fossils
Contains corals - Favosites forbesi M.E. et H., Multisolenia cavernosa Lel., Tryplasma primum Hill.
Age
Correspond in age to the late Wenlock.
Age Span:
Beginning stage:
Homerian
Fraction up in beginning stage:
0.25
Beginning date (Ma):
429.65
Ending stage:
Homerian
Fraction up in the ending stage:
0.75
Ending date (Ma):
427.71
Depositional setting
Depositional pattern:
Additional Information
Compiler:
A.I. Kim – In: GeoGPT translation of: “Abduazimova, Z.M. (Ed.), 2001. Stratigraphic Dictionary of Uzbekistan. IMR (Institute of Mineral Resources), Tashkent, 580 pp. (In Russian)”