Zimunai Fm
Period:
Paleogene
Age Interval:
Early and Middle Eocene
Province:
Zaisan (Zaysan) Basin - Central
Type Locality and Naming
Synonym: Zimunaiskaya, E2-1/2z
Lithology and Thickness
Ca. 140 m of Three benches – the Upper consists of grey and fallow clays with crystals of gypsum; the Middle is green clay with brown and yellow spots and gypsum inclusions; and the Lower is brown clay.
Lithology Pattern:
Gypsiferous claystone
Relationships and Distribution
Lower contact
Overlies the North Zaisan Fm
Upper contact
Underlies the Turangin Fm
Regional extent
GeoJSON
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Fossils
Age
Early and middle Eocene (Ypresian-Lutetian)
Age Span:
Beginning stage:
Ypresian
Fraction up in beginning stage:
0.0
Beginning date (Ma):
56.00
Ending stage:
Lutetian
Fraction up in the ending stage:
1.0
Ending date (Ma):
41.03
Depositional setting
Depositional pattern:
Additional Information
Compiler:
Information provided by Nariman Jamikeshev from Kazakh-language sources and from other publications.