Shanxiuling Fm
Type Locality and Naming
The type section is located at Shanxiuling, southwest of Kaishantun Town, Yanji County, Jilin. It was named by the Regional Geological Survey Party of Jilin in 1963.
Lithology and Thickness
Limestone. Dominated by gray-white and dark-gray thin-bedded crystalline limestone, siliceous band-bearing crystalline limestone and clayey limestone, intercalated with tuffaceous sandstone, thickness >517 m.
Relationships and Distribution
Lower contact
Uncertain: Its relationship with the underlying stratum is unclear
Upper contact
Disconformable contact with the overlying Lower Permian Dasuangou Fm
Regional extent
Exposed only around Shanxiuling, Kaishantun Town, Yanji County and Miaoling of Wangqing County
GeoJSON
Fossils
Fusulinids Pseudoschwagerina sp., Rugosofusulina prisca, Quasifusulina cf. cayeuxi, Triticites ohioensis, T. lalaotuensis, T. simplex, T. cf. laxus, Pseudofusulina nelsoni, Schwagerina sp., etc.; Brachiopods Chonetes latesinuata, Plicatifera shanxiulingensis, Krotovia shanxiulingensis, Dictyoclostus uralicus, D. gruenewaldti, Stenoscisma mutabilis, S. yanjiensis, S. meyeri tetraplicata, Spirifer incertus, S. jilinensis, Neospirifer sp., Brachythyrina rectangula, Martinia uralica, M. timanica, Martiniopsis convexa, Punctospirifer sp., etc.
Age
Depositional setting
It is interpreted as littoral-neritic deposits
Additional Information