archaeozoic

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

• 🇩🇪Veraltetes Adjektiv, das sich auf die früheste geologische Ära des Präkambriums bezieht und heute durch den Begriff „Archaikum“ ersetzt wird.

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.

   🇩🇪Archäikum

   Synonyme: archaeanarchean

unzählbar

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.

• 🇩🇪Substantiv, das die früheste geologische Ära bezeichnet, die den Zeitraum von der Entstehung der Erde vor etwa 4,6 Milliarden Jahren bis vor etwa 2,5 Milliarden Jahren umfasst und durch die Bildung der ersten Gesteine und die Entstehung primitiver Lebensformen gekennzeichnet ist.

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.

   🇩🇪Archaikum

   Synonyme: archaeanarchean