archeozoic

• Adjectif désuet se rapportant à l'éon archéen, l'éon géologique le plus ancien de l'histoire de la Terre, couvrant la période d'environ 4 à 2,5 milliards d'années. Il qualifie ce qui est relatif à cette ère primitive, caractérisée par l'apparition des premières formes de vie.

An obsolete adjective referring to the Archean Eon, the earliest geological eon of Earth's history, spanning from about 4 to 2.5 billion years ago.

1. Geological eraC2formalscientific

   Relating to the earlier of two divisions of the Precambrian era, characterized by the earliest known rocks and the first signs of life.

   Archéozoïque

   • The Archeozoic era spans from about 4 billion to 2.5 billion years ago.
   • Geologists study Archeozoic rock formations to understand early Earth.
   • Fossil evidence from the Archeozoic era is extremely rare.

   Synonymesarchaeanarchaeozoicarchean

• Nom désignant la partie ancienne de l'éon précambrien, s'étendant d'environ 4 milliards à 2,5 milliards d'années, caractérisée par la formation de la croûte terrestre et l'apparition des premières formes de vie.

A noun referring to the earlier part of the Precambrian eon, spanning from about 4 billion to 2.5 billion years ago, characterized by the formation of the Earth's crust and the appearance of the first life forms.

indénombrable

1. Geological eonC2formalscientific

   The Archeozoic (or Archean) eon, the earliest part of Earth's history, spanning from about 4 billion to 2.5 billion years ago, before the Proterozoic eon.

   Archéozoïque

   • The Archeozoic eon is known for the formation of the first continental crust.
   • Fossils from the Archeozoic era are extremely rare.
   • Geologists study Archeozoic rocks to understand early Earth conditions.

   Synonymesarchaeanarchaeozoicarchean