GCMD Chronostratigraphic Units Types Keywords

TOURNAISIAN

https://gcmd.earthdata.nasa.gov/kms/concept/a3e3914d-7777-4e91-80ca-60264adb1e73

broader
https://gcmd.earthdata.nasa.gov/kms/concept/c0489a3d-7571-44f8-ae10-bc56da60a29e original
narrower
a3e3914d-7777-4e91-80ca-60264adb1e73 original
change note
2019-11-21 08:36:44.0 [tstevens] Insert Concept
add broader relation (TOURNAISIAN [a3e3914d-7777-4e91-80ca-60264adb1e73,423449] - LOWER [c0489a3d-7571-44f8-ae10-bc56da60a29e,423409]);
2019-12-17 10:21:51.0 [tstevens]
insert Definition (id: null
text: The Tournaisian is the lowest stage or oldest age of the Mississippian, the oldest subsystem of the Carboniferous. The Tournaisian age lasted from 358.9 Ma to 346.7 Ma. It is preceded by the Famennian (the uppermost stage of the Devonian) and is followed by the Viséan.
language code: en);
definition The Tournaisian is the lowest stage or oldest age of the Mississippian, the oldest subsystem of the Carboniferous. The Tournaisian age lasted from 358.9 Ma to 346.7 Ma. It is preceded by the Famennian (the uppermost stage of the Devonian) and is followed by the Viséan.
reference
text International Commission on Stratigraphy (http://www.stratigraphy.org/)
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in scheme chronounits original