狹帶紀(Stenian,符號MP3)是地質時代中的一個,開始於同位素年齡1200±0百萬年(Ma),結束於1000±0Ma。

狹帶紀期間的疊層岩達到高峰,真核藻類繼續發展。

狹帶紀屬於前寒武紀元古宙中元古代;狹帶紀的上一紀為延展紀,下一紀為拉伸紀

參見

Wikiwand in your browser!

Seamless Wikipedia browsing. On steroids.

Every time you click a link to Wikipedia, Wiktionary or Wikiquote in your browser's search results, it will show the modern Wikiwand interface.

Wikiwand extension is a five stars, simple, with minimum permission required to keep your browsing private, safe and transparent.