bn:01494664n
Noun Named Entity
Categories: Proterozoic geochronology, Paleoproterozoic, Geochronology stubs, Geological periods
EN
Siderian
EN
The Siderian Period is the first geologic period in the Paleoproterozoic Era and lasted from 2500 Ma to 2300 Ma. Wikipedia
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EN
The Siderian Period is the first geologic period in the Paleoproterozoic Era and lasted from 2500 Ma to 2300 Ma. Wikipedia
First period of the Paleoproterozoic era Wikidata
The Siderian period. Wiktionary
Siderian period. Wiktionary (translation)
Wikipedia
Wikidata
Wiktionary