Karasugat Fm
Period:
Neogene
Age Interval:
Lower-Middle Miocene, F1
Province:
Fergana
Type Locality and Naming
Along the Karasugat village, Fergana, Kyrgyzstan. A.S. Telenkov, 1964 (468, p.81). The The stratigraphic name has limited application. B.I. Pinhasov
Synonym: Karasugat Suite, Карасугатская св.
Lithology and Thickness
Red-colored siltstone (aleurolites), pelites, gravelites, conglomerates. Thickness 190-310m.
Lithology Pattern:
Siltstone
Relationships and Distribution
Lower contact
It usually lies conformably on the Sumsar-Paleog Fm
Upper contact
It is often overlain unconformably by the Iskinaukat-Mioc Fm or unconformably by the Aldyr Fm
Regional extent
Fergana. V.I. Popov and others (166) correlate it with the Shurysay suite of the Tajik Depression. Along B.I. Pinhasov, it corresponds to the lower-middle Miocene of the Maylisay Fm.
GeoJSON
null
Fossils
Contains rare shells of freshwater ostracods, gastropods, and charophytes.
Age
Along A., the age is Middle and Late Oligocene (444). For schematic stratigraphic column representation, it is considered Chattian
Age Span:
Beginning stage:
Chattian
Fraction up in beginning stage:
0.0
Beginning date (Ma):
27.29
Ending stage:
Chattian
Fraction up in the ending stage:
1.0
Ending date (Ma):
23.04
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)”