Stratigraphy
2 articles
Human Origins
How Archaeologists Turn Layers of Earth into a Timeline of Human Settlement
Archaeologists determine the age of ancient sites by combining relative dating, which orders layers and artifacts chronologically through stratigraphy, with absolute dating methods that assign specific calendar dates. This integrated approach builds a calibrated timeline of human settlement and occupation.
Dr. Elena Ortiz·October 22, 2026
Earth & Environment
No, the Anthropocene Is Not a Formal Epoch — Here's How Geologists Decided
The Anthropocene has been formally rejected as a geological epoch by international geological bodies. This decision highlights the rigorous stratigraphic criteria required for defining Earth's timeline, emphasizing evidence detectable in rock strata millions of years into the future.
Sofia Petrova·June 16, 2026