Tepar Formation

Tepar Fm

Period:

Devonian

Age Interval:

Famennian, CK3, CK5, CK7

Province:
Chatkal-Kuramin Region

Type Locality and Naming

Along the Tepar sky dome, Chatkal Ridge. Ya.S. Levin in 1977 (460, p. 136).

Synonym: Teparskaya Suite, Тепарская св.

Lithology and Thickness

Organogenic limestones with terrigenous admixture of aleurolite and sandy size with interlayers of shell rocks, clayey and dolomitic limestones. Thickness 200-400m.

Lithology Pattern:

Limestone

Relationships and Distribution

Lower contact

Conformably, with a gradual transition, it overlies the Tyulkubash Fm

Upper contact

It is conformably overlapped by the carbonates of the Kokterek Fm. It is also shown as upper contact with Brichmullin Fm in schematical stratigraphic representation as it constitutes the lower subsuite of the Kokterek Fm

Regional extent

Chatkal, Pskem Ridge (in the cores of anticlinal structures). Previously, the T. suite was called the "suite of Famennian limestones-shell rocks," constituting the lower subsuite of the Kokterek Fm (165; 460).

GeoJSON

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Fossils

Contains predominantly Famennian brachiopods - Cyrtospirifer archiaci Murch., C. aquilinus Rom., C. romanovskii Nal., Mesoplica praelonga Sow., Camarotoechia karatauensis Nal., C. pleurodon Phill., Chonetes armata Buch. and others, bryozoans, crinoids, rugose, nautiloids are present.

Age

Fossil data indicates Famennian

Age Span:

Beginning stage:

Famennian

Fraction up in beginning stage:

0.6

Beginning date (Ma):

364.02

Ending stage:

Famennian

Fraction up in the ending stage:

0.7

Ending date (Ma):

362.84

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)”