Tatarka Fm
Period:
Cretaceous
Age Interval:
Late Cretaceous (S-1, S-2)
Province:
Siberia southeast
Type Locality and Naming
Gorin and Tumnin zones of westernmost Sikhote-Alin.
Lithology and Thickness
Uncertain – couldn't locate any information yet. Considering above/below; then probably mixed volcanic and sedimentary.
Lithology Pattern:
Volcanic ash
Relationships and Distribution
Lower contact
Disconformable onto Bolba Fm
Upper contact
Uncertain; the next younger document unit is an un-named tuffaceous sandstone-siltstone facies (Maastrichtian) in Gorin zone.
Regional extent
GeoJSON
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Fossils
Age
Age Span:
Beginning stage:
Santonian
Fraction up in beginning stage:
0.5
Beginning date (Ma):
84.68
Ending stage:
Campanian
Fraction up in the ending stage:
0.5
Ending date (Ma):
77.91
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)