Tailan Fm
Period:
Carboniferous
Age Interval:
Lower Moscovian, N5
Province:
Nuratau
Type Locality and Naming
Along the Tailan River, Malguzar Mountains, V. A. Arapov, F.R. Bensh, et al., 1972 (166, p. 291).
Synonym: Tailan Suite, Тайланская св., Taylan Fm
Lithology and Thickness
Thick, medium, and thin-bedded marbled limestones, gray and dark gray. Thickness 300m.
Lithology Pattern:
Limestone
Relationships and Distribution
Lower contact
Lies with stratigraphic unconformity on different horizons of older Carboniferous deposits
Upper contact
It conformably underlies the Tamchisay Fm (165; 439).
Regional extent
North slope of the Malguzar Mountains, in a narrow strip from the Tailan River to the west.
GeoJSON
null
Fossils
Contains conodonts - Idiognathodus obliquus Kos. et Koz., I. incurvus Dunn., Gondolella laevis Kos. et Koz., Streptognathodus sp., Neognathodus sp., determining the early Moscovian age of the enclosing rocks.
Age
On the State Geological Map-500 of Uzbekistan (460), it is attributed to the Bashkirian stage - lower substage of the Moscovian stage of the Middle Carboniferous
Age Span:
Beginning stage:
Bashkirian
Fraction up in beginning stage:
0.75
Beginning date (Ma):
317.21
Ending stage:
Moscovian
Fraction up in the ending stage:
0.3
Ending date (Ma):
312.71
Depositional setting
Depositional pattern:
Additional Information
Compiler:
Z.M. Abdazimova – In: GeoGPT translation of: “Abduazimova, Z.M. (Ed.), 2001. Stratigraphic Dictionary of Uzbekistan. IMR (Institute of Mineral Resources), Tashkent, 580 pp. (In Russian)”