Marshak breaks down the immense age of the Earth and the methods, like radiometric dating and fossil records, used to track its history.
by Stephen Marshak is a leading introductory geology textbook known for its highly visual approach and emphasis on the "Earth System"—the idea that our planet’s geosphere, hydrosphere, atmosphere, and biosphere are profoundly interconnected. Core Themes and Content Earth: Portrait of a Planet
Frequently described as the book's "driving force," it explains continental drift, mountain building, and volcanic activity. Marshak breaks down the immense age of the
It covers erosion, the hydrologic cycle, and natural hazards such as earthquakes, tsunamis, and landslides. Notable Features of the Seventh Edition like radiometric dating and fossil records
