Meandrovy Fm
Period:
Cretaceous
Age Interval:
Early Cretaceous (S-8)
Province:
Siberia southeast
Type Locality and Naming
Kema zone of Eastern Sikhote-Alin Basin
Lithology and Thickness
It consists of rhythmic alternation of sandstones and siltstones with various thickness of rhythms with rare beds of sandstones, siltstones and gravelstones and underwater landslide deposits with a total thickness of more than 900 m.
Lithology Pattern:
Fine-grained sandstone
Relationships and Distribution
Lower contact
Conformable onto Ust-Kolumbe Fm (UstKolumbe Fm)
Upper contact
Conformably overlain by Kema Fm
Regional extent
GeoJSON
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Fossils
The lower part of the formation contains Hauterivian-Barremian and the upper part yields Barremian ammonites Haplocrioceras ex gr. remondi, Crioceratites sp., Barremites sp. ind. (Markevich et al., 2000).
Age
Age Span:
Beginning stage:
Hauterivian
Fraction up in beginning stage:
0.8
Beginning date (Ma):
127.72
Ending stage:
Barremian
Fraction up in the ending stage:
1.0
Ending date (Ma):
121.40
Depositional setting
Depositional pattern:
Additional Information
Compiler:
Igor N. Kosenko, Jingeng Sha and Boris N. Shurygin (2021). Upper Mesozoic stratigraphy of Sikhote-Alin (Russian Far East) and northeastern China: Non-marine and marine correlations. Part 1: Upper Jurassic-Hauterivian AND 2. Barremian-Aptian. Cretaceous Research, 124: articles 104811 (https://doi.org/10.1016/j.cretres.2021.104811) AND 104812 (https://doi.org/10.1016/j.cretres.2021.104812)