Karachakuduk Fm
Period:
Proterozoic
Age Interval:
, Z5
Province:
Zarafshan-N.Gissar
Type Locality and Naming
By the village of Karacha, Zirabulak Mountains. V.S. Korsakov in 1992 (1993). Stratotype in the area of the village of Karacha. Previously, these deposits were included in the composition of the Daraityut Fm of the Lower Silurian (Korsakov et al., 1962, 1984; Barkovskaya et al., 1985).
Synonym: Karachakuduk Suite, Карачакудукская св.
Lithology and Thickness
Mica-quartz-feldspar slates, quartzites, amphibolites, calc-silicate metasomatites, andalusite hornfels. Thickness about 2000 m.
Lithology Pattern:
Sandy_claystone
Relationships and Distribution
Lower contact
Lower and upper boundaries unknown.
Upper contact
Lower and upper boundaries unknown.
Regional extent
South-eastern part of the Ziaetdin-Zirabulak Mountains.
GeoJSON
null
Fossils
Age
Age, as Proterozoic, is conditionally accepted due to the high degree of metamorphism.
Age Span:
Beginning stage:
Tonian
Fraction up in beginning stage:
0.0
Beginning date (Ma):
1,000.00
Ending stage:
Tonian
Fraction up in the ending stage:
0.7
Ending date (Ma):
804.00
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)”