Khozretdavut Fm
Period:
Devonian
Age Interval:
, Z4
Province:
Zarafshan-N.Gissar
Type Locality and Naming
By the mountain of Khozrretdavut, northwestern Kara-Tyube Mountains. V.S. Korsakov et al., in 1958 (1960).
Synonym:
Lithology and Thickness
Limestones, dolomites, dolomitic limestones, at the base with fragments of granitoids, limestones, and cherts. Thickness 550-600m.
Lithology Pattern:
Dolomitic limestone
Relationships and Distribution
Lower contact
Contacts with surrounding rocks are tectonic. (460).
Upper contact
Contacts with surrounding rocks are tectonic. (460).
Regional extent
Northwestern part of the Kara-Tyube Mountains.
GeoJSON
null
Fossils
Crinoids Kuzbassocrinus dessmiobatus Yelt., Anthinocrinus zaricostatus Sisova, Pentagonocyclicus multibifiolis Yelt. and others (Korsakov et al., 1984)
Age
The Early Devonian age of the H. suite is established by crinoids and lithological comparison with the Dzhalkyraymakhal Fm of the Zirabulak-Ziaetdin Mountains.
Age Span:
Beginning stage:
Pragian
Fraction up in beginning stage:
0.0
Beginning date (Ma):
412.40
Ending stage:
Emsian
Fraction up in the ending stage:
1.0
Ending date (Ma):
394.30
Depositional setting
Depositional pattern:
Additional Information
Compiler:
V.S. Korsakov – In: GeoGPT translation of: “Abduazimova, Z.M. (Ed.), 2001. Stratigraphic Dictionary of Uzbekistan. IMR (Institute of Mineral Resources), Tashkent, 580 pp. (In Russian)”