This book, first published in 1981, provides an excellent introductory analysis to plate tectonic theory. It covers plate tectonics, continental drift, mountain building, ocean trenches, earthquakes and volcanoes.

This book, first published in 1981, provides an excellent introductory analysis to plate tectonic theory. It covers plate tectonics, continental drift, mountain building, ocean trenches, earthquakes and volcanoes.

This book, first published in 1981, provides an excellent introductory analysis to plate tectonic theory. It covers plate tectonics, continental drift, mountain building, ocean trenches, earthquakes and volcanoes.