Koktyurlyuk Fm
Period:
Quaternary
Age Interval:
Eopleistocene (Gelasian), F1
Province:
Fergana
Type Locality and Naming
Along the Koktyurlyk bend of the Syr Darya River, in the area of the Kayrakum Reservoir, Western Fergana. S.A. Nesmeianov, 1965 (324, p. 103). The term is used with limitations.
Synonym: Koktyurlyuk Suite, Кокторлокская св.
Lithology and Thickness
Conglomerates with lenses of sandstones, siltstone (aleurolites), and loess-like rocks. Thickness 80-400m.
Lithology Pattern:
Aus Conglomerate
Relationships and Distribution
Lower contact
Unconformably overlies the Aksaray Fm and older formations.
Upper contact
Covered by Quaternary deposits.
Regional extent
Western Fergana. Correlated with the Kepelian suite.
GeoJSON
null
Fossils
Contains remains of - Archidiskodon meridionalis meridionalis (Nesti), Elasmotherium sp., Dicerorhonus sp., Bizon sp.
Age
Along A., the age is Eopleistocene-Apsheron (444).
Age Span:
Beginning stage:
Gelasian
Fraction up in beginning stage:
0.0
Beginning date (Ma):
2.58
Ending stage:
Gelasian
Fraction up in the ending stage:
1.0
Ending date (Ma):
1.80
Depositional setting
Depositional pattern:
Additional Information
Compiler:
B.I. Pinhasov – In: GeoGPT translation of: ”Abduazimova, Z.M. (Ed.), 2001. Stratigraphic Dictionary of Uzbekistan. IMR (Institute of Mineral Resources), Tashkent, 580 pp. (In Russian)"