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

Khanbandytau Formation

Khanbandytau Fm

Period:

Devonian

Age Interval:

Middle Devonian, N3

Province:
Nuratau

Type Locality and Naming

In the Khanbandytau Mountains, northern foothills of the N. Nuratau Range. P.N. Podkopaev et al. in 1961 (457, pp. 128-129).

Synonym: Khanbandytau Suite, Ханбандитауская св., Khanbandytay Fm, Khanbanditau Fm

Lithology and Thickness

Light organogenic massive and thin-bedded limestones. Thickness is 525m.

Lithology Pattern:

Reef limestone

Relationships and Distribution

Lower contact

Lies conformably on the Uchkulach Fm

Upper contact

It is also conformably overlain by the Pistalitau Fm

Regional extent

GeoJSON

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Fossils

Contains brachiopods - Stringocephalus burtini Defr., Atrypa zonata Schnur., A. flabellata Roem., Spinatrypa bifidaeformis Rzon., Uncinulus parallelepipidus Bronn., Uncites Gryphus Schloth., Bornhardtina uncitoides Schulz; tabulates - Thamnopora sp., Caliapora taltiensis Yanet., C. battersbyi M.E. et H., Heliolites sp.; stromatoporoids - Amphipora ramosiensis Bog., Actinostroma">Actinostroma clathratum Nich., A. cystosum Bog., A. septatum Lec., Parallelopora adleriYavor., Stachyodes verticillata Mc'Coy, Stromatopora hupschii Barg.; conodonts - Polygnathus latifosatus Wirht., P. cristatus Hinde., P. angusticostatus Wit.

Age

Age is Middle Devonian, Zheleznikov horizon. (165; 441; 460).

Age Span:

Beginning stage:

Eifelian

Fraction up in beginning stage:

0.75

Beginning date (Ma):

387.55

Ending stage:

Givetian

Fraction up in the ending stage:

1.0

Ending date (Ma):

378.90

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)”