(Q4005689)
Statements
Identifiers
Sitelinks
Wikipedia(4 entries)
- cswiki Chronostratigrafická jednotka
- eswiki Unidad cronoestratigráfica
- etwiki Kronostratigraafiline üksus
- itwiki Unità cronostratigrafica
geologic unit that includes all rocks formed during a specific interval of geologic time