Präkambrischen

The Präkambrische Eon, also known as the Precambrian Eon, is the first and longest eon of Earth's history, spanning approximately 4.6 billion years, from the formation of the Earth to the beginning of the Cambrian Period around 541 million years ago. It is divided into three eras: the Hadean, Archean, and Proterozoic. The Hadean Eon, named after Hades, the Greek god of the underworld, is the earliest era, characterized by the formation of the Earth and the intense bombardment of meteorites. The Archean Eon, named after the Greek word "arkhe," meaning "beginning," is marked by the formation of the first continents and the emergence of life in the form of single-celled organisms. The Proterozoic Eon, named after the Greek word "proteros," meaning "earlier," is characterized by the development of more complex life forms and the oxygenation of the atmosphere. The Präkambrische Eon is a critical period in Earth's history, as it laid the foundation for the evolution of life and the development of the planet's geological and atmospheric features.