Last of all came the poet's own period, the Iron Age. Its commonplace name showed how he felt humanity had fallen from the high mark of the Golden Age. Ages in geology and archaeology. Geologists have divided earth history into five major eras, each of which contains several periods, or ages. These divisions indicate major changes in the earth.
Archaeologists use age to indicate periods of time according to cultural progress.
They have traced human beings through the Stone Age, the Bronze Age, and other periods of development down to recent times, naming the ages according to the tools people used. John R. Alden, Ph.D., Former James B. Duke Professor of History, Duke University. How to cite this article.