Sangsori Fm
Period:
Ordovician-Silurian
Age Interval:
Late Ordovician
Province:
Imjingang Belt-North Korea
Type Locality and Naming
Lithology and Thickness
Lower dolostone with mudstone, marlstone, and dolomitic limestone; upper black shale and marly limestone.
Lithology Pattern:
Dolomitic limestone
Relationships and Distribution
Lower contact
Upper contact
Overlain by the Koksan Fm.
Regional extent
GeoJSON
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Fossils
corals, gastropods, and crinoids; regional tabulate-coral correlation matches an Upper Ordovician South China assemblage.
Age
Age Span:
Beginning stage:
Late Ordovician
Fraction up in beginning stage:
0.00
Beginning date (Ma):
458.18
Ending stage:
Late Ordovician
Fraction up in the ending stage:
1.00
Ending date (Ma):
443.07
Depositional setting
Depositional pattern:
Additional Information
Compiler:
Source：Chough, S. K. (2013). Geology and sedimentology of the Korean Peninsula. Elsevier.