GCMD Chronostratigraphic Units Types Keywords

AERONIAN

https://gcmd.earthdata.nasa.gov/kms/concept/3f87a2a4-2e77-4955-83a4-f3ecad41ec1c

broader
https://gcmd.earthdata.nasa.gov/kms/concept/ec205df2-0e6a-4ffe-a7f6-8f20592345f7 original
narrower
3f87a2a4-2e77-4955-83a4-f3ecad41ec1c original
change note
2019-11-21 09:06:56.0 [tstevens] Insert Concept
add broader relation (AERONIAN [3f87a2a4-2e77-4955-83a4-f3ecad41ec1c,423529] - LLANDOVERY [ec205df2-0e6a-4ffe-a7f6-8f20592345f7,423505]);
2019-12-17 12:39:36.0 [tstevens]
insert Definition (id: null
text: The Aeronian is the age of the Llandovery epoch of the Silurian period of the Paleozoic era of the Phanerozoic eon that began 440.8 ± 1.2 Ma and ended 438.5 ± 1.1 Ma (million years ago). The Aeronian age succeeds the Rhuddanian age and precedes the Telychian age, all in the same epoch.
language code: en);
definition The Aeronian is the age of the Llandovery epoch of the Silurian period of the Paleozoic era of the Phanerozoic eon that began 440.8 ± 1.2 Ma and ended 438.5 ± 1.1 Ma (million years ago). The Aeronian age succeeds the Rhuddanian age and precedes the Telychian age, all in the same epoch.
reference
text International Commission on Stratigraphy (http://www.stratigraphy.org/)
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in scheme chronounits original