The Earth is formed by accretion of spatial particulates and large masses and eventually formes an outer crust. Video follows with speculation of early plates...
Continental Drift and Plate Tectonics explores the inner earth and its surface. The 1906 San Francisco earthquake and the Mount St. Helen's volcanic eruption are...
Series made in 1976 - Understanding the Earth by TV Ontario The series host was Dr. David Pearson a renowned English trained, Canadian geologist residing...