Ispisar Fm
Period:
Quaternary
Age Interval:
Calabrian-Holocene, F4
Province:
Fergana
Type Locality and Naming
Along the village of Ispisar, Fergana. M.P. Gramm, 1959 (181, p.14).
Synonym: Ispissarskaya Suite, Исписарская св.
Lithology and Thickness
Gravel-pebble rocks, gray sandstones, rarely siltstone (aleurolites), grayish-brown clays. M. up to 350m (Akbely-Akchop-Supetau) and up to 600m (Sumsar-Maylisay).
Lithology Pattern:
Aus Conglomerate
Relationships and Distribution
Lower contact
Sometimes lies with angular unconformity on the Kepeli Fm or with erosion on Neogene rocks
Upper contact
the upper boundary is unclear with Neopleistocene deposits
Regional extent
Fergana Valley.
GeoJSON
null
Fossils
Age
Some geologists attributed the suite to the Neogene. In the Stratigraphic Legend (444) - to the Early Quaternary age.
Age Span:
Beginning stage:
Calabrian
Fraction up in beginning stage:
0.0
Beginning date (Ma):
1.80
Ending stage:
Holocene
Fraction up in the ending stage:
1.0
Ending date (Ma):
0.00
Depositional setting
Depositional pattern:
Additional Information
Compiler:
M.V. Mikulin – In: GeoGPT translation of: “Abduazimova, Z.M. (Ed.), 2001. Stratigraphic Dictionary of Uzbekistan. IMR (Institute of Mineral Resources), Tashkent, 580 pp. (In Russian)”