ぜんしんせい
漸新世
1. Oligocene epoch
2. OligoceneThe Oligocene (symbol OG) is a geologic epoch of the Paleogene Period and extends from about 34 million to 23 million years before the present. As with other older geologic periods, the rock beds that define the period are well identified but the exact dates of the start and end of the period are slightly uncertain.
Read “Oligocene” on English Wikipedia
Read “漸新世” on Japanese Wikipedia
Read “Oligocene” on DBpedia
Read “Oligocene” on English Wikipedia
Read “漸新世” on Japanese Wikipedia
Read “Oligocene” on DBpedia
Discussions
Log in to talk about this word.