archaeozoic

An obsolete adjective referring to the earliest geological era of the Precambrian period, now replaced by the term 'Archean'.

• 🇵🇹Adjetivo arcaico que se refere à mais antiga era geológica do período pré-cambriano, atualmente substituído pelo termo «Arqueano».

1. Geological era C2 formal scientific

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

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

   🇵🇹Arqueano

   Sinônimos: archaeanarchean

incontável

A noun referring to the earliest geological eon, spanning from the formation of the Earth about 4.6 billion years ago to 2.5 billion years ago, characterized by the formation of the first rocks and the emergence of primitive life forms.

• 🇵🇹Substantivo que designa a era geológica mais antiga, abrangendo o período desde a formação da Terra, há cerca de 4,6 bilhões de anos, até cerca de 2,5 bilhões de anos atrás, caracterizada pela formação das primeiras rochas e pelo surgimento de formas primitivas de vida.

1. Geological eon C2 formal scientific

   The earliest eon of Earth's history, spanning from about 4 billion to 2.5 billion years ago, characterized by the formation of the Earth's crust and the emergence of the first simple life forms.

   • The Archaeozoic eon is also known as the Archean eon.
   • Rocks from the Archaeozoic era are found in some of the oldest continental shields.
   • During the Archaeozoic, the Earth's atmosphere was very different from today.

   🇵🇹Éon Arqueano

   Sinônimos: archaeanarchean