Unraveling The Eras: A Step-By-Step Guide To Calculating Historical Periods
To calculate an era, determine its position within the geologic timescale, which divides Earth’s history into four eras: Eozoic, Paleozoic, Mesozoic, and Cenozoic. Subdivisions include periods, epochs, and ages. Geochronology and radiometric dating provide absolute age estimates, while stratigraphy and fossil correlation establish relative ages. By integrating geological features, fossils, and age data, scientists can…