Geologic Time is a crucial concept to understanding the history of the earth—including the evolution of life. Many different representations of the timeline have been created, and many approaches ...

This makes the rock record fragmentary and difficult to read, but enough rock has been produced over time to tell us a lot about the history of our planet. Igneous rock is formed by the cooling of ...

According to the International Union of Geological Sciences (IUGS), the professional organization in charge of defining Earth’s time scale, we are officially in the Holocene (“entirely recent ...

Based on the perspective of lunar dynamic evolution, Chinese researchers creatively established an updated lunar geological time scale ... a macroscopic geologic background to improve the purpose ...