古太古代,或早太古代是太古宙第二个代,年代为3600至3200Ma——古太古代被精密定时,不与地球上任何岩层有关。最早的确切有生微生物席化石有3480Ma老,在西澳大利亚州Dresser组发现。[1][2]瓦巴拉大陆是地球最早的超大陆之一,可能在这一时期形成。[3]:1–13
参考
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.