Shizishan Fm
Period:
Devonian
Age Interval:
Early Devonian (Zhang, 2009); Late Devonian (Lin, 1990)
Province:
Yunnan
Type Locality and Naming
Name from Shizishan close to Guanshang, Yinjiang County, Yunnan. First used in 1982 by Duan Xinhua; in article "Continental Devonian System in Western Yunnan" in Contribution to the Geology of the Qinghai-Tibet Plateau.
Lithology and Thickness
Light grey quartzose sandstone with interbeds of siltstone.
Lithology Pattern:
Sandstone
Relationships and Distribution
Lower contact
Upper contact
Guanshang Fm (conformably)
Regional extent
GeoJSON
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Fossils
Age
Late Devonian (Yunnan Bureau of Geology and Mineral Resources, 1990)
Age Span:
Beginning stage:
Pragian
Fraction up in beginning stage:
0
Beginning date (Ma):
412.40
Ending stage:
Emsian
Fraction up in the ending stage:
0
Ending date (Ma):
410.51
Depositional setting
Depositional pattern:
Additional Information
Compiler:
James G Ogg & Wen Du – modified from Shouxin Zhang (main editor), Geological Formation Names of China (1866-2000), 2 volumes, Higher Education Press (2009); Lin Yaoming (main editor). (1990). Regional Geology of Yunnan Province. Yunnan Bureau of Geology and Mineral Resources, page 108.