Neogene

Paleogene

Cretaceous

Jurassic

Triassic

Permian

Carboniferous

Devonian

Silurian

Ordovician

Cambrian

Neoproterozoic

Mesoproterozoic

Paleoproterozoic

Main source = Abduazimova, Z.M. (Ed.), 2001. Stratigraphic Dictionary of Uzbekistan. IMR (Institute of Mineral Resources), Tashkent, 580 pp. (In Russian) Translated to English by the GeoGPT group, Zhejiang Lab, Hangzhou, China--see About

Mazar Formation

Mazar Fm

Period:

Silurian

Age Interval:

Ludlow, N1

Province:
Nuratau

Type Locality and Naming

Named after a sacred place, North Nuratau range. R.R. Usmanov et al. in 1991 when compiling the reference legend for the geological map of the North-Nurata region (1999). The stratigraphic name is not recommended for use.

Synonym: Mazar Suite, Мазарская св.

Lithology and Thickness

Gray, light, and dark gray, cross-bedded and massive, often organogenic limestones. Thickness 385m.

Lithology Pattern:

Limestone

Relationships and Distribution

Lower contact

Upper contact

Regional extent

North Nuratau range, central part of the Besragatin Mountains in the Shokhetau structure.

GeoJSON

null

Fossils

Contains brachiopods - Lissatrypa columnata (Barr.), Alaskospira carens Barr. and others; tabulates - Favosites pseudoforbesi ochessarensis Klaam. and others; conodonts - Ozarcodina cf. excavata (Br. et Mehl.), found in the Ludlow (Abduazimova et al., 1996; 165; 460). Mazar Fm is part of the Ausykenian (Usmanov et al., 1999).

Age

Age Span:

Beginning stage:

Ludfordian

Fraction up in beginning stage:

0.0

Beginning date (Ma):

425.01

Ending stage:

Ludfordian

Fraction up in the ending stage:

1.0

Ending date (Ma):

422.73

Depositional setting

Depositional pattern:

Additional Information

Compiler:

– In: GeoGPT translation of: “Abduazimova, Z.M. (Ed.), 2001. Stratigraphic Dictionary of Uzbekistan. IMR (Institute of Mineral Resources), Tashkent, 580 pp. (In Russian)”