GCMD Chronostratigraphic Units Types Keywords

VISEAN

https://gcmd.earthdata.nasa.gov/kms/concept/e7f66704-f02e-4480-89d8-f0d5c28a18a3

broader
https://gcmd.earthdata.nasa.gov/kms/concept/0f8853f9-6fc0-4a72-9e61-8b8a5e1fdae7 original
narrower
e7f66704-f02e-4480-89d8-f0d5c28a18a3 original
change note
2019-11-21 08:36:03.0 [tstevens] Insert Concept
add broader relation (VISEAN [e7f66704-f02e-4480-89d8-f0d5c28a18a3,423445] - MIDDLE [0f8853f9-6fc0-4a72-9e61-8b8a5e1fdae7,423405]);
2019-12-17 10:23:40.0 [tstevens]
insert Definition (id: null
text: The Visean is an age in in the stratigraphic column. It is the second stage of the Mississippian, the lower subsystem of the Carboniferous. The Visean lasted from 346.7 to 330.9 Ma. It follows the Tournaisian age/stage and is followed by the Serpukhovian age/stage.
language code: en);
definition The Visean is an age in in the stratigraphic column. It is the second stage of the Mississippian, the lower subsystem of the Carboniferous. The Visean lasted from 346.7 to 330.9 Ma. It follows the Tournaisian age/stage and is followed by the Serpukhovian age/stage.
reference
text International Commission on Stratigraphy (http://www.stratigraphy.org/)
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in scheme chronounits original