Koksan Fm
Period:
Silurian
Age Interval:
Early Silurian
Province:
Imjingang Belt-North Korea
Type Locality and Naming
Lithology and Thickness
Mudstone, argillaceous limestone, black shale, bedded limestone, and dolomitic limestone.
Lithology Pattern:
Clayey limestone
Relationships and Distribution
Lower contact
Underlain by the Sangsori Fm.
Upper contact
Overlain by the Wolyangri Fm.
Regional extent
GeoJSON
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Age
Age Span:
Beginning stage:
Early Silurian
Fraction up in beginning stage:
0.00
Beginning date (Ma):
443.07
Ending stage:
Early Silurian
Fraction up in the ending stage:
1.00
Ending date (Ma):
430.62
Depositional setting
Depositional pattern:
Additional Information
Compiler:
Source：Chough, S. K. (2013). Geology and sedimentology of the Korean Peninsula. Elsevier.