This iron will become important later. The Archean eon was a time when Earth's atmosphere and ocean were devoid of gaseous oxygen, but also when the first organisms to generate energy from ...

A unique rock formation in China holds clues that tectonic plates subducted, or went underneath other plates, during the Archean eon (4 billion to 2.5 billion years ago), just as they do nowadays ...

The Archean eon represents one third of our planet’s history, from 2.5 billion years ago to four billion years ago. This alien Earth was a water-world, covered in green oceans, shrouded in a ...

The formation of the Earth’s continents occurred during a fiery afterbirth known as the Archean Eon, which stretched from 4 billion to 2.5 billion years ago. It was in this bubbling cauldron of ...

Ancient plate tectonics in the Archean period differs from modern plate tectonics in the Phanerozoic period because of the higher mantle temperatures inside the early Earth, the thicker basaltic ...

A new study suggests Earth's oceans may have been green during the Archean eon, around 3.8 to 1.8 billion years ago. The greenish hue was due to high iron content and early microbes performing ...

The Archean eon represents one-third of our planet’s history, from 2.5 billion years ago to four billion years ago. This alien Earth was a water-world covered in green oceans, shrouded in a ...