GCMD Chronostratigraphic Units Types Keywords

TREMADOCIAN

https://gcmd.earthdata.nasa.gov/kms/concept/cb8eee5d-fd20-4465-a917-051562f5fcd1

broader
https://gcmd.earthdata.nasa.gov/kms/concept/00c6f0f3-5734-4500-a69e-f6780e365985 original
narrower
cb8eee5d-fd20-4465-a917-051562f5fcd1 original
change note
2019-12-17 13:00:47.0 [tstevens] Insert Concept
add broader relation (TREMADOCIAN [cb8eee5d-fd20-4465-a917-051562f5fcd1,532287] - LOWER [00c6f0f3-5734-4500-a69e-f6780e365985,532259]);
2019-12-17 13:59:00.0 [tstevens]
insert Definition (id: null
text: The Tremadocian is the lowest stage of Ordovician. Together with the later Floian stage it forms the Lower Ordovician epoch. The Tremadocian lasted from 485.4 to 477.7 million years ago.
language code: en);
definition The Tremadocian is the lowest stage of Ordovician. Together with the later Floian stage it forms the Lower Ordovician epoch. The Tremadocian lasted from 485.4 to 477.7 million years ago.
reference
text International Commission on Stratigraphy (http://www.stratigraphy.org/)
type
Resource
type
Resource original
Concept original
in scheme chronounits original