Zhuke Fm
Period:
Jurassic
Age Interval:
Late Jurassic, (TJ89)
Province:
Anhui
Type Locality and Naming
Type section at Zhuke in Zhejiang Province. Named by Tang Wenquan, 1983, The study of the chemical composition and evolution law of the Mesozoic volcanic rocks in Zhejiang, Regional Geology of China, (6): 15–30
Synonym:
Lithology and Thickness
"Rhyolitic tuff with interbeds of lava and sedimentary rocks" [= the only description in Geol. Formation Names of China; Springer]
Lithology Pattern:
Volcanic ash
Relationships and Distribution
Lower contact
Schematic "red Chinese Lexicon" strat column indicates the next older regional unit is the Baiyancun Fm of Kimmeridgian.
Upper contact
Schematic "red Chinese Lexicon" strat column indicates the next younger regional unit is the early Cretaceous Moshishan Gr (Dashuang Fm)..
Regional extent
GeoJSON
null
Fossils
Age
Schematic strat column in previous "red Chinese Lexicon" implied that the Zhuke Fm was Tithonian.
Age Span:
Beginning stage:
Tithonian
Fraction up in beginning stage:
0.0
Beginning date (Ma):
149.24
Ending stage:
Tithonian
Fraction up in the ending stage:
1.0
Ending date (Ma):
143.10
Depositional setting
Depositional pattern:
Additional Information
Compiler:
Information from Geological Formation Names of China (1866-2000), Springer