Linked Data: Geological Survey of Japan
JSON
RDF
GSJ LD
Linked Data Service of GSJ
GSJ LD
Literature
Volcano
Specimen
Publication
Image
Geological age
[ Late Ordovician ]
Upper level
Late Ordovician
Hirnantian
445.2 ±0.9
Katian
452.8 ±0.7
Sandbian
458.2 ±0.7