Weathering rocks hold clues to Earth's Great Oxidation Event
Published Date: 1/19/2022
Source: phys.org
About 2.4 billion years ago, Earth's atmosphere underwent what is called the Great Oxidation Event (GOE). Prior to the GOE, early Earth had far less molecular oxygen than we have today. After the GOE, molecular oxygen began to increase in abundance, eventually making life like ours possible.