Of A Planet | Earth: Portrait

Detailed sections illustrate how igneous, sedimentary, and metamorphic rocks are continuously recycled over millions of years.

Frequently described as the book's "driving force," it explains continental drift, mountain building, and volcanic activity. Earth: Portrait of a Planet

Marshak breaks down the immense age of the Earth and the methods, like radiometric dating and fossil records, used to track its history. Detailed sections illustrate how igneous